74HC14反向施密特触发器
sn74ahc1g14单路施密特触发反向器
PACKAGING INFORMATIONOrderable Device Status (1)Package Type PackageDrawing Pins Package Qty Eco Plan (2)Lead/Ball FinishMSL Peak Temp (3)Samples(Requires Login)SN74AHC1G14DBVR ACTIVE SOT-23DBV53000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DBVRE4ACTIVE SOT-23DBV53000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DBVRG4ACTIVE SOT-23DBV53000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DBVT ACTIVE SOT-23DBV5250Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DBVTE4ACTIVE SOT-23DBV5250Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DBVTG4ACTIVE SOT-23DBV5250Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DCKR ACTIVE SC70DCK53000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DCKRE4ACTIVE SC70DCK53000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DCKRG4ACTIVE SC70DCK53000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DCKT ACTIVE SC70DCK5250Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DCKTE4ACTIVE SC70DCK5250Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DCKTG4ACTIVE SC70DCK5250Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DRLR ACTIVE SOT DRL54000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIMSN74AHC1G14DRLRG4ACTIVE SOT DRL54000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM(1) The marketing status values are defined as follows:ACTIVE: Product device recommended for new designs.LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available.OBSOLETE: TI has discontinued the production of the device.Addendum-Page 1(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check /productcontent for the latest availability information and additional product content details.TBD: The Pb-Free/Green conversion plan has not been defined.Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.Addendum-Page 2TAPE AND REEL INFORMATION*All dimensions are nominal Device Package Type Package DrawingPinsSPQ Reel Diameter (mm)Reel Width W1(mm)A0(mm)B0(mm)K0(mm)P1(mm)W (mm)Pin1Quadrant SN74AHC1G14DBVR SOT-23DBV 53000178.09.0 3.23 3.17 1.37 4.08.0Q3SN74AHC1G14DBVR SOT-23DBV 53000178.09.2 3.3 3.2 1.55 4.08.0Q3SN74AHC1G14DBVR SOT-23DBV 53000180.09.2 3.17 3.23 1.37 4.08.0Q3SN74AHC1G14DBVT SOT-23DBV 5250178.09.0 3.23 3.17 1.37 4.08.0Q3SN74AHC1G14DBVT SOT-23DBV 5250180.09.2 3.17 3.23 1.37 4.08.0Q3SN74AHC1G14DBVT SOT-23DBV 5250178.09.2 3.3 3.2 1.55 4.08.0Q3SN74AHC1G14DCKR SC70DCK 53000180.09.2 2.3 2.55 1.2 4.08.0Q3SN74AHC1G14DCKR SC70DCK 53000178.09.2 2.4 2.4 1.22 4.08.0Q3SN74AHC1G14DCKR SC70DCK 53000178.09.0 2.4 2.5 1.2 4.08.0Q3SN74AHC1G14DCKT SC70DCK 5250178.09.0 2.4 2.5 1.2 4.08.0Q3SN74AHC1G14DCKT SC70DCK 5250180.09.2 2.3 2.55 1.2 4.08.0Q3SN74AHC1G14DCKT SC70DCK 5250178.09.2 2.4 2.4 1.22 4.08.0Q3SN74AHC1G14DRLR SOT DRL 54000180.08.4 1.98 1.780.69 4.08.0Q3*All dimensions are nominalDevice Package Type Package Drawing Pins SPQ Length(mm)Width(mm)Height(mm) SN74AHC1G14DBVR SOT-23DBV53000180.0180.018.0 SN74AHC1G14DBVR SOT-23DBV53000180.0180.018.0 SN74AHC1G14DBVR SOT-23DBV53000205.0200.033.0 SN74AHC1G14DBVT SOT-23DBV5250180.0180.018.0 SN74AHC1G14DBVT SOT-23DBV5250205.0200.033.0 SN74AHC1G14DBVT SOT-23DBV5250180.0180.018.0 SN74AHC1G14DCKR SC70DCK53000205.0200.033.0 SN74AHC1G14DCKR SC70DCK53000180.0180.018.0 SN74AHC1G14DCKR SC70DCK53000180.0180.018.0 SN74AHC1G14DCKT SC70DCK5250180.0180.018.0 SN74AHC1G14DCKT SC70DCK5250205.0200.033.0 SN74AHC1G14DCKT SC70DCK5250180.0180.018.0SN74AHC1G14DRLR SOT DRL54000202.0201.028.0IMPORTANT NOTICETexas 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74AC14 六角施密特触发器
© 2005 Fairchild Semiconductor Corporation DS009917November 1988Revised February 200574AC14 • 74ACT14 Hex Inverter with Schmitt Trigger Input74AC14 • 74ACT14Hex Inverter with Schmitt Trigger InputGeneral DescriptionThe 74AC14 and 74ACT14 contain six inverter gates each with a Schmitt trigger input. They are capable of transform-ing slowly changing input signals into sharply defined, jitter-free output signals. In addition, they have a greater noise margin than conventional inverters.The 74AC14 and 74ACT14 have hysteresis between the positive-going and negative-going input thresholds (typi-cally 1.0V) which is determined internally by transistor ratios and is essentially insensitive to temperature and sup-ply voltage variations.Featuress I CC reduced by 50%s Outputs source/sink 24 mAs 74ACT14 has TTL-compatible inputsOrdering Code:Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.Pb-Free package per JEDEC J-STD-020B.Note 1: “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only.FACT ¥ is a trademark of Fairchild Semiconductor Corporation.Order Number Package Package DescriptionNumber 74AC14SC M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74AC14SCX_NL (Note 1)M14A Pb-Free 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74AC14SJ M14D Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide74AC14MTC MTC1414-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74AC14MTCX_NL (Note 1)MTC14Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide74AC14PC N14A 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide 74ACT14SC M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74ACT14MTC MTC1414-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74ACT14MTCX_NL (Note 1)MTC14Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide74ACT14PCN14A14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide 274A C 14 • 74A C T 14Logic SymbolIEEE/IECPin DescriptionsConnection DiagramFunction TablePin Names Description I n Inputs O nOutputsInput Output A O L H HL74AC14 • 74ACT14Absolute Maximum Ratings (Note 2)Recommended Operating ConditionsNote 2: Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, with-out exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation of FACT ¥ circuits outside databook specifications.DC Electrical Characteristics for ACNote 3: All outputs loaded; thresholds on input associated with output under test.Note 4: Maximum test duration 2.0 ms, one output loaded at a time.Note 5: I IN and I CC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V V CC .Supply Voltage (V CC ) 0.5V to 7.0VDC Input Diode Current (I IK )V I 0.5V 20 mA V I V CC 0.5V 20 mADC Input Voltage (V I )0.5V to V CC 0.5VDC Output Diode Current (I OK )V O 0.5V 20 mA V O V CC 0.5V 20 mADC Output Voltage (V O ) 0.5V to V CC 0.5VDC Output Source or Sink Current (I O )r 50 mA DC V CC or Ground Current per Output Pin (I CC or I GND )r 50 mAStorage Temperature (T STG ) 65q C to 150q CJunction Temperature (T J )PDIP140q CSupply Voltage (V CC )AC 2.0V to 6.0V ACT4.5V to5.5V Input Voltage (V I )0V to V CC Output Voltage (V O )0V toV CCOperating Temperature (T A )40q C to 85q CSymbol ParameterV CC T A 25q C T A 40q C to 85q C UnitsConditions(V)Typ Guaranteed LimitsV OHMinimum HIGH Level 3.0 2.99 2.9 2.9V I OUT 50 P AOutput Voltage4.5 4.49 4.4 4.45.5 5.495.4 5.43.0 2.56 2.46V I OH 124.5 3.86 3.76I OH 24 mA5.54.86 4.76I OH 24 mA (Note 3)V OLMaximum LOW Level 3.00.0020.10.1VI OUT 50 P AOutput Voltage4.50.0010.10.15.50.0010.10.13.00.360.44VI OL 124.50.360.44I OL 24 mA5.50.360.44I OL 24 mA (Note 3)I IN (Note 5)Maximum Input Leakage Current 5.5r 0.1r 1.0P A V I V CC , GND V tMaximum Positive 3.0 2.2 2.2T A Worst CaseThreshold4.5 3.2 3.2V5.5 3.9 3.9V tMinimum Negative 3.00.50.5T A Worst CaseThreshold4.50.90.9V5.5 1.1 1.1V H(MAX)Maximum Hysteresis3.0 1.2 1.2T A Worst Case4.5 1.4 1.4V5.51.6 1.6V H(MIN)Minimum Hysteresis3.00.30.3T A Worst Case4.50.40.4V5.50.50.5I OLD Minimum Dynamic 5.575mA V OLD 1.65V Max I OHD Output Current (Note 4) 5.5 75mA V OHD 3.85V Min I CC Maximum Quiescent 5.52.020.0P AV IN V CC (Note 5)Supply Currentor GND 474A C 14 • 74A C T 14AC Electrical Characteristics for ACNote 6: Voltage Range 3.3 is 3.3V r 0.3VVoltage Range 5.0 is 5.0V r 0.5VDC Electrical Characteristics for ACTNote 7: All outputs loaded; thresholds on input associated with output under test.Note 8: Maximum test duration 2.0 ms, one output loaded at a time.Symbol ParameterV CCT A 25q C T A 40q C to 85q CUnits(V)C L 50 pFC L 50 pF (Note 6)Min Typ Max Min Max t PLH Propagation Delay 3.3 1.59.513.5 1.515.0ns 5.0 1.57.010.0 1.511.0t PHLPropagation Delay3.3 1.57.511.5 1.513.0ns 5.01.56.08.51.59.5Symbol ParameterV CC T A 25q C T A 40q C to 85q C Units Conditions(V)Typ Guaranteed LimitsV IH Minimum HIGH Level 4.5 1.5 2.0 2.0V V OUT 0.1V Input Voltage5.5 1.5 2.0 2.0or V CC 0.1V V IL Maximum LOW Level 4.5 1.50.80.8V V OUT 0.1V Output Voltage 5.5 1.50.80.8or V CC 0.1V V OHMinimum HIGH Level 4.5 4.49434 4.4VI OUT 50P A Output Voltage5.5 5.495.4 5.4VV IN V IL or V IH4.5 3.86 3.76I OH 24 mA5.54.864.76I OH 24 mA (Note 7)V OLMaximum LOW Level 4.50.0010.10.1VI OUT 50 P A Output Voltage5.50.0010.10.1V V IN V IL or V IH4.50.360.44I OL 24 mA5.50.360.44I OL 24 mA (Note 7)I IN Maximum Input Leakage Current 5.5r 0.1r 1.0P A V I V CC , GND V H(MAX)Maximum Hysteresis 4.5 1.4 1.4V T A Worst Case 5.5 1.6 1.6V H(MIN)Minimum Hysteresis 4.50.40.4V T A Worst Case 5.50.50.5V t Maximum Positive 4.5 2.0 2.0V T A Worst Case Threshold 5.5 2.0 2.0V t Minimum Negative 4.50.80.8V T A Worst Case Threshold5.50.80.8I CCT Maximum I CC /Input 5.50.61.5mA V I V CC2.1V I OLD Minimum Dynamic 5.575mA V OLD 1.65V Max I OHD Output Current (Note 8) 5.5 75mA V OHD 3.85V Min I CCMaximum Quiescent 5.52.020.0P AV IN V CC Supply Currentor GND74AC14 • 74ACT14AC Electrical Characteristics for ACTNote 9: Voltage Range 5.0 is 5.0V r 0.5VCapacitanceSymbol Parameter V CCT A 25q C T A 40q C to 85q CUnits(V)C L 50 pFC L 50 pF (Note 9)Min Typ Max Min Max t PLH Propagation Delay 5.0 3.08.010.0 3.011.0ns Data to Output t PHLPropagation Delay 5.03.08.010.03.011.0ns Data to OutputSymbol ParameterTyp Units ConditionsC IN Input Capacitance4.5pF V CC OPEN C PDPower Dissipation Capacitance for AC25.0pFV CC 5.0Vfor ACT80 674A C 14 • 74A C T 14Physical Dimensions inches (millimeters) unless otherwise noted14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" NarrowPackage Number M14A74AC14 • 74ACT14Physical Dimensionsinches (millimeters) unless otherwise noted (Continued)Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm WidePackage Number M14D 874A C 14 • 74A C T 14Physical Dimensions inches (millimeters) unless otherwise noted (Continued)14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm WidePackage Number MTC14974AC14 • 74ACT14 Hex Inverter with Schmitt Trigger InputPhysical Dimensions inches (millimeters) unless otherwise noted (Continued)14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" WidePackage Number N14AFairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications.LIFE SUPPORT POLICYFAIRCHILD ’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:1.Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be rea-sonably expected to result in a significant injury to the user.2. A critical component in any component of a life support device or system whose failure to perform can be rea-sonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.。
74HC14中文资料
74HC14的作用：六反相斯密特触发器74HC14引脚图:图1 引脚功能74HC14真值表:Input输入output输出A YL HH L74HC14电气参数:极限参数：Switching Characteristics开关特性at VCC = 5V and TA = 25℃采用施密特触发器74HC14的光耦接收整形电路:图2 光电耦合器接收整形电路采用施密特触发器74HC14的方波振荡器电路图3 方波振荡器ST188反射式红外光电传感器使用方法一、特点1．采用高发射功率红外光电二极管和高灵敏度光电晶体管组成。
2．检测距离可调整范围大，4-13mm 可用。
3．采用非接触检测方式。
二、外形尺寸左图右图左边是光电二极管的外形图，由发射二极管和接收管组成，如右图的电路示意图。
A、K是红外发射二极管的正负极，C、E是接收管的正负极。
因此只要A极接高电平、K极接低电平，红外发射管就能发出红外线。
可以在传感器加上外围电路来检测接收管的信号，进而确定是否接受到反射回来的红外线。
如下图右下方的器件工作示意图。
三、常用电路根据反射式红外光电传感器的原理和内部结构，我们可以设计上面的电路，电阻主要起限流作用，电阻值常设置为：R1=510Ω，R2=20kΩ。
这样，如果接收管接收到反射回来的红外线，红外接收头导通，E管脚输出高电平，接近Vcc；如果没有没有接收到反射回来的红外线，红外接收头不导通，E管脚输出低电平，接近GND。
在实际应用中，我们可以通过单片机扫描E管脚（类似按键扫描的方法）以确定接收管的状态。
四、智能车中黑白线应用白色物质吸收光线少，大部分光波被反射；黑色物质能够吸收大部分光波，只反射部分光波。
利用这一点，我们选取合适的测量距离，如1cm（最佳的测量高度可以根据多次实验结果比较调节）。
结合上面的应用电路，这样可以通过检测E脚的值（0/1）确定传感器下面是白色还是黑色，达到判断的目的。
74LS14反向器实验
74LS14反向器实验
74LS14 是一个6反向器，引脚定义如图：A端为输入端，Y端为输出端，一片芯片一共6路，即1，3，5，9，11，13 为输入端， 2，4，6，8，10，12 为输出端，输出结果与输入结果反向。
即如果输入端为高电平，那么输出为低电平。
如果输入低电平，输出为高电平。
在本套件中，一共使用了2片74LS14芯片，组成8路反向器。
反向器是重要的数字电路之一，下面我带领大家来学习反向器的应用。
实验目的：先做一个8路加法器的实验，然后通过反向器后，观察LE D的发光管的状态变化。
相关原理：
程序运行照片：
1、直接连接：用一条8PIN的数据排线把CP U部份的P1口（JP44）连接到八路指示灯部份的JP32
2、通过反向器连接：用一条8PIN的数据排线把CP U部份的P1口（JP44）接到反向器部份的输入端JP29用一条8PI N的数据排线把反向器的输出端JP34接到八路指示灯部份的JP32程序流程图：
汇编语言参考程序：
org 0000h
ajmp main
org 0080h
main: mov a,#0
loop: mov p1,a ;输出到P1口call delay ;延时。
inc a ;每次加1
jmp loop
delay: mov r5,#50 ;延时。
d1: mov r6,#40
d2: mov r7,#248 djnz r7,$
djnz r6,d2
djnz r5,d1
ret
end。
74HC14中文资料
74HC14引脚图:
图1 引脚功能
74HC14真值表:
74HC14电气参数:
极限参数：
Switching Characteristics开关特性 at VCC = 5V and TA = 25℃
采用施密特触发器74HC14的光耦接收整形电路:
图2 光电耦合器接收整形电路
采用施密特触发器74HC14的方波振荡器电路
图3 方波振荡器
施密特触发器.主要用要将上下沿较缓或奇变较大的的数字信号变为方波形式以利数字信号接收电路识别.比如一串高频数字信号方波经过一个并普通光耦后波形可能奇变的后级不能识别,加一个74HC14进行整形
编辑本段74HC14概述：
74HC14是一款高速CMOS器件，74HC14引脚兼容低功耗肖特基TTL （LSTTL）系列。
74HC14遵循JEDEC标准。
74HC14实现了6路施密特触发反相器，可将缓慢变化的输入信号转换成清晰、无抖动的输出信号。
编辑本段特性：
应用：波形、脉冲整形器
非稳态多谐振荡器
单稳多谐振荡器
兼容JEDEC标准
ESD保护：
HBM EIA/JESD22-A114-A超过2000 V
MM EIA/JESD22-A115-A超过200 V
温度范围 -40～+85 ℃ -40～+125 ℃
编辑本段主要参数：
典型电源电压：
正向输入阀值电压：VT+=
负向输入阀值电压：VT-=
驱动电流： +/
传输延迟：12ns @5V
逻辑电平：CMOS
引脚：14
封装类型：DIP。
74HC04和74HC14的区别（施密特触发的作用）[大全五篇]
![74HC04和74HC14的区别（施密特触发的作用）[大全五篇]](https://img.taocdn.com/s3/m/8e0c3d8bf021dd36a32d7375a417866fb84ac00c.png)
74HC04和74HC14的区别（施密特触发的作用）[大全五篇]第一篇：74HC04和74HC14的区别(施密特触发的作用)74HC04和74HC14的具体区别详解同样具有反相器功能，你知道74HC04和74HC14的具体区别吗？对于74HC04很好理解，输入低电平，输出高电平；输入高电平，输出低电平。
可是具体到几伏电压算高电平，几伏算低电平呢？答案是看手册。
下图是TI的74HC04的输入特性表，举个例子来看，当芯片供电电压Vcc=4.5V时，输入端最少输入3.15V电压才可以被74HC04识别为高电平；同理，输入端只有输入不大于1.35V的电压，才可以被识别为低电平。
下图是74HC04的输出特性表，在TEST CONDITIONS（测试条件）分别选IOH=-4mA和IOL=4mA，再举例子看，同上面的一样，当芯片供电电压Vcc=4.5V时，且输入端被识别为低电平，输出端VOH就是高电平，且最小值为3.84V；同理，当芯片供电电压Vcc=4.5V时，且输入端被识别为高电平，输出端VOL就是低电平，且最大值为0.33V。
从以上的分析可以看出，经74HC04的反相，到底输出几伏的高电平或低电平主要和该芯片的供电电压关系密切!以上对于74HC04的分析同样适用于74HC14！关于以上的数据，他们在手册中完全一样！也就是单纯作为反相器使用时，可以通用。
但是74HC14除了反相器这个基本功能外，他还是个施密特触发器。
关于什么是施密特触发器，现用一个图简单介绍：对于74HC14来说，当输入VI大于阀值电压VT+时，输出VO由高电平变低电平；当输入VI小于阀值电压VT-时，输出VO由低电平变高电平；通过上面分析，我们了解了施密特触发器是以反相器为基础的，以及阀值电压的基本概念。
下面来看一下74HC14这个施密特触发器的手册数据：VOH和VOL上文已经介绍过了，下面看一下VT+和VT-：当芯片供电电压Vcc=4.5V时，正向阀值的典型值VT+=2.5V，负向阀值的典型值VT-=1.6V。
74HC系列通用逻辑电路功能表
74HC00 TTL 2输入端四与非门74HC01 TTL 集电极开路2输入端四与非门74HC02 TTL 2输入端四或非门74HC03 TTL 集电极开路2输入端四与非门74HC04 TTL 六反相器74HC05 TTL 集电极开路六反相器74HC06 TTL 集电极开路六反相高压驱动器74HC07 TTL 集电极开路六正相高压驱动器74HC08 TTL 2输入端四与门74HC09 TTL 集电极开路2输入端四与门74HC10 TTL 3输入端3与非门74HC107 TTL 带清除主从双J-K触发器74HC109 TTL 带预置清除正触发双J-K触发器74HC11 TTL 3输入端3与门74HC112 TTL 带预置清除负触发双J-K触发器74HC12 TTL 开路输出3输入端三与非门74HC121 TTL 单稳态多谐振荡器74HC122 TTL 可再触发单稳态多谐振荡器74HC123 TTL 双可再触发单稳态多谐振荡器74HC125 TTL 三态输出高有效四总线缓冲门74HC126 TTL 三态输出低有效四总线缓冲门74HC13 TTL 4输入端双与非施密特触发器74HC132 TTL 2输入端四与非施密特触发器74HC133 TTL 13输入端与非门74HC136 TTL 四异或门74HC138 TTL 3-8线译码器/复工器74HC139 TTL 双2-4线译码器/复工器74HC14 TTL 六反相施密特触发器74HC145 TTL BCD—十进制译码/驱动器74HC15 TTL 开路输出3输入端三与门74HC150 TTL 16选1数据选择/多路开关74HC151 TTL 8选1数据选择器74HC153 TTL 双4选1数据选择器74HC154 TTL 4线—16线译码器74HC155 TTL 图腾柱输出译码器/分配器74HC156 TTL 开路输出译码器/分配器74HC157 TTL 同相输出四2选1数据选择器74HC158 TTL 反相输出四2选1数据选择器74HC16 TTL 开路输出六反相缓冲/驱动器74HC160 TTL 可预置BCD异步清除计数器74HC161 TTL 可予制四位二进制异步清除计数器74HC162 TTL 可预置BCD同步清除计数器74HC163 TTL 可予制四位二进制同步清除计数器74HC164 TTL 八位串行入/并行输出移位寄存器74HC165 TTL 八位并行入/串行输出移位寄存器74HC169 TTL 二进制四位加/减同步计数器74HC17 TTL 开路输出六同相缓冲/驱动器74HC170 TTL 开路输出4×4寄存器堆74HC173 TTL 三态输出四位D型寄存器74HC174HC TTL 带公共时钟和复位六D触发器74HC175 TTL 带公共时钟和复位四D触发器74HC180 TTL 9位奇数/偶数发生器/校验器74HC181 TTL 算术逻辑单元/函数发生器74HC185 TTL 二进制—BCD代码转换器74HC190 TTL BCD同步加/减计数器74HC191 TTL 二进制同步可逆计数器74HC192 TTL 可预置BCD双时钟可逆计数器74HC193 TTL 可预置四位二进制双时钟可逆计数器74HC194 TTL 四位双向通用移位寄存器74HC196 TTL 十进制/二-十进制可预置计数锁存器74HC197 TTL 二进制可预置锁存器/计数器74HC20 TTL 4输入端双与非门74HC21 TTL 4输入端双与门74HC22 TTL 开路输出4输入端双与非门74HC221 TTL 双/单稳态多谐振荡器74HC240 TTL 八反相三态缓冲器/线驱动器74HC241 TTL 八同相三态缓冲器/线驱动器74HC243 TTL 四同相三态总线收发器74HC244 TTL 八同相三态缓冲器/线驱动器74HC245 TTL 八同相三态总线收发器74HC247 TTL BCD—7段15V输出译码/驱动器74HC248 TTL BCD—7段译码/升压输出驱动器74HC249 TTL BCD—7段译码/开路输出驱动器74HC251 TTL 三态输出8选1数据选择器/复工器74HC253 TTL 三态输出双4选1数据选择器/复工器74HC256 TTL 双四位可寻址锁存器74HC257 TTL 三态原码四2选1数据选择器/复工器74HC258 TTL 三态反码四2选1数据选择器/复工器74HC259 TTL 八位可寻址锁存器/3-8线译码器74HC26 TTL 2输入端高压接口四与非门74HC260 TTL 5输入端双或非门74HC266 TTL 2输入端四异或非门74HC27 TTL 3输入端三或非门74HC273 TTL 带公共时钟复位八D触发器74HC279 TTL 四图腾柱输出S-R锁存器74HC28 TTL 2输入端四或非门缓冲器74HC283 TTL 4位二进制全加器74HC290 TTL 二/五分频十进制计数器74HC293 TTL 二/八分频四位二进制计数器74HC295 TTL 四位双向通用移位寄存器74HC298 TTL 四2输入多路带存贮开关74HC299 TTL 三态输出八位通用移位寄存器74HC30 TTL 8输入端与非门74HC32 TTL 2输入端四或门74HC322 TTL 带符号扩展端八位移位寄存器74HC323 TTL 三态输出八位双向移位/存贮寄存器74HC33 TTL 开路输出2输入端四或非缓冲器74HC347 TTL BCD—7段译码器/驱动器74HC352 TTL 双4选1数据选择器/复工器74HC353 TTL 三态输出双4选1数据选择器/复工器74HC365 TTL 门使能输入三态输出六同相线驱动器74HC365 TTL 门使能输入三态输出六同相线驱动器74HC366 TTL 门使能输入三态输出六反相线驱动器74HC367 TTL 4/2线使能输入三态六同相线驱动器74HC368 TTL 4/2线使能输入三态六反相线驱动器74HC37 TTL 开路输出2输入端四与非缓冲器74HC373 TTL 三态同相八D锁存器74HC374 TTL 三态反相八D锁存器74HC375 TTL 4位双稳态锁存器74HC377 TTL 单边输出公共使能八D锁存器74HC378 TTL 单边输出公共使能六D锁存器74HC379 TTL 双边输出公共使能四D锁存器74HC38 TTL 开路输出2输入端四与非缓冲器74HC380 TTL 多功能八进制寄存器74HC39 TTL 开路输出2输入端四与非缓冲器74HC390 TTL 双十进制计数器74HC393 TTL 双四位二进制计数器74HC40 TTL 4输入端双与非缓冲器74HC42 TTL BCD—十进制代码转换器74HC352 TTL 双4选1数据选择器/复工器74HC353 TTL 三态输出双4选1数据选择器/复工器74HC365 TTL 门使能输入三态输出六同相线驱动器74HC366 TTL 门使能输入三态输出六反相线驱动器74HC367 TTL 4/2线使能输入三态六同相线驱动器74HC368 TTL 4/2线使能输入三态六反相线驱动器74HC37 TTL 开路输出2输入端四与非缓冲器74HC373 TTL 三态同相八D锁存器74HC374 TTL 三态反相八D锁存器74375 TTL 4位双稳态锁存器74377 TTL 单边输出公共使能八D锁存器74378 TTL 单边输出公共使能六D锁存器74379 TTL 双边输出公共使能四D锁存器7438 TTL 开路输出2输入端四与非缓冲器74380 TTL 多功能八进制寄存器7439 TTL 开路输出2输入端四与非缓冲器74390 TTL 双十进制计数器74393 TTL 双四位二进制计数器7440 TTL 4输入端双与非缓冲器7442 TTL BCD—十进制代码转换器74447 TTL BCD—7段译码器/驱动器7445 TTL BCD—十进制代码转换/驱动器74450 TTL 16:1多路转接复用器多工器74451 TTL 双8:1多路转接复用器多工器74453 TTL 四4:1多路转接复用器多工器7446 TTL BCD—7段低有效译码/驱动器74460 TTL 十位比较器74461 TTL 八进制计数器74465 TTL 三态同相2与使能端八总线缓冲器74466 TTL 三态反相2与使能八总线缓冲器74467 TTL 三态同相2使能端八总线缓冲器74468 TTL 三态反相2使能端八总线缓冲器74469 TTL 八位双向计数器7447 TTL BCD—7段高有效译码/驱动器7448 TTL BCD—7段译码器/内部上拉输出驱动74490 TTL 双十进制计数器74491 TTL 十位计数器74498 TTL 八进制移位寄存器7450 TTL 2-3/2-2输入端双与或非门74502 TTL 八位逐次逼近寄存器74503 TTL 八位逐次逼近寄存器7451 TTL 2-3/2-2输入端双与或非门74533 TTL 三态反相八D锁存器74534 TTL 三态反相八D锁存器7454 TTL 四路输入与或非门74540 TTL 八位三态反相输出总线缓冲器7455 TTL 4输入端二路输入与或非门74563 TTL 八位三态反相输出触发器74564 TTL 八位三态反相输出D触发器74573 TTL 八位三态输出触发器74574 TTL 八位三态输出D触发器74645 TTL 三态输出八同相总线传送接收器74670 TTL 三态输出4×4寄存器堆7473 TTL 带清除负触发双J-K触发器7474 TTL 带置位复位正触发双D触发器7476 TTL 带预置清除双J-K触发器7483 TTL 四位二进制快速进位全加器7485 TTL 四位数字比较器7486 TTL 2输入端四异或门7490 TTL 可二/五分频十进制计数器7493 TTL 可二/八分频二进制计数器7495 TTL 四位并行输入\输出移位寄存器7497 TTL 6位同步二进制乘法器注：同型号的74系列、74HC系列、74LS系列芯片，逻辑功能上是一样的。
详细施密特触发器74HC14的中文资料
详细施密特触发器74HC14的中文资料74HC14为一个六反相施密特触发器真值表：Y=AInput输入output输出AYLHHL74HC14的引脚图如下，其中Vcc（14脚）是电源正电压引脚，GND（7脚）是电源地引脚，一片74HC14上共有6个反相器通道，第1、3、5、9、11、13脚分别是通道1、2、3、4、5、6的输入脚，2、4、6、8、10、12脚分别是通道1、2、3、4、5、6的输入出脚。
建议操作条件符号参数最小典型最大单位电源电压为 4.7555.25VVT，正向输入阈值电压为1.41.61.9VVT，反向输入阈值电压为0.50.81VHYS，输入滞后0.40.8-VIOHHIGH 高电平输出电流---0.4mAIOLLOW，低电平输出电流--8mATAFree ，工作温度0-70℃Note 2：VCC = 5V.电气特性超过推荐的工作自由空气温度范围（除非另有说明），符号参数条件最小典型最大单位输入钳位电压VCC 为最小，II = -18mA---1.5VVOHHIGH输出高电平电压VCC 为最小，IOH为最大VIL=最大2.73.4-VVOLLOW Level输出低电平电压VCC = 最小，IOL = 最大-0.350.5--Output V oltage输出电压VIH = 最小---VVCC = 最小，IOL = 4mA-0.250.4IT，正向阈值输入电流VCC = 5V，VI = VT+--0.14-mAIT，反向阈值输入电流VCC = 5V，VI = VT---0.18-mAII，输入电流@最大输入电压VCC = 最大，VI = 7V--0.1mAIIHHIGH ，输入高电平电流VCC = 最大，VI = 2.7V--20μAIILLOW ，输入低电平电流VCC = 最大，VI = 0.4V---0.4mAIOSShort ，短路输出电流VCC = 最大（Note 4）-20--100mAICCH，电平输出电源电流VCC = 最大-8.616mAICCL，低电平输出电源电流VCC = 最大-1221mANote 3：VCC = 5V，TA = 25℃.Note 4：一次不应超过一个输出，持续时间不应超过一秒。
74VHC14中文资料
1/11November 2004s HIGH SPEED: t PD = 5.5ns (TYP.) at V CC = 5V sLOW POWER DISSIPATION:I CC = 2 µA (MAX.) at T A =25°C sTYPICAL HYSTERESIS: V h = 1V at V CC = 4.5Vs POWER DOWN PROTECTION ON INPUTS sSYMMETRICAL OUTPUT IMPEDANCE:|I OH | = I OL = 8 mA (MIN)sBALANCED PROPAGATION DELAYS:t PLH ≅ t PHLsOPERATING VOLTAGE RANGE:V CC (OPR) = 2V to 5.5VsPIN AND FUNCTION COMPATIBLE WITH 74 SERIES 14s IMPROVED LATCH-UP IMMUNITY sLOW NOISE: V OLP = 0.8V (MAX.)DESCRIPTIONThe 74VHC14 is an advanced high-speed CMOS HEX SCHMITT INVERTER fabricated with sub-micron silicon gate and double-layer metal wiring C 2MOS technology.The internal circuit is composed of 3 stages including buffer output, which enables high noise immunity and stable output.Power down protection is provided on all inputs and 0 to 7V can be accepted on inputs with noregard to the supply voltage. This device can be used to interface 5V to 3V.Pin configuration and function are the same as those of the 74VHC04 but the 74VHC14 has hysteresis.This together with its schmitt trigger function allows it to be used on line receivers with slow rise/fall input signals.All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage.74VHC14HEX SCHMITT INVERTERFigure 1: Pin Connection And IEC Logic SymbolsTable 1: Order CodesPACKAGE T & R SOP 74VHC14MTR TSSOP74VHC14TTR74VHC142/11Figure 2: Input Equivalent CircuitTable 2: Pin DescriptionTable 3: Truth TableTable 4: Absolute Maximum RatingsAbsolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions isnot impliedTable 5: Recommended Operating ConditionsPIN N°SYMBOL NAME AND FUNCTION 1, 3, 5, 9, 11,131A to 6A Data Inputs 2, 4, 6, 8, 10,121Y to 6Y Data Outputs 7GND Ground (0V)14V CCPositive Supply VoltageA Y L H HLSymbol ParameterValue Unit V CC Supply Voltage -0.5 to +7.0V V I DC Input Voltage -0.5 to +7.0V V O DC Output Voltage -0.5 to V CC + 0.5V I IK DC Input Diode Current - 20mA I OK DC Output Diode Current ± 20mA I ODC Output Current± 25mA I CC or I GND DC V CC or Ground Current± 50mA T stgStorage Temperature -65 to +150°C T LLead Temperature (10 sec)300°CSymbol ParameterValue Unit V CC Supply Voltage 2 to 5.5V V I Input Voltage 0 to 5.5V V O Output Voltage 0 to V CC V T opOperating Temperature-55 to 125°C74VHC143/11Table 6: DC SpecificationsTable 7: AC Electrical Characteristics (Input t r = t f = 3ns)(*) Voltage range is 3.3V ± 0.3V (**) Voltage range is 5.0V ± 0.5VSymbolParameterTest ConditionValue UnitV CC (V)T A = 25°C -40 to 85°C -55 to 125°C Min.Typ.Max.Min.Max.Min.Max.V t+High LevelThreshold Voltage 3.0 2.2 2.2 2.2V 4.5 3.15 3.15 3.155.5 3.853.853.85V t-Low LevelThreshold Voltage 3.00.90.90.9V4.5 1.35 1.35 1.355.5 1.65 1.65 1.65V hHysteresis Voltage3.00.3 1.20.3 1.20.3 1.2V4.50.4 1.40.4 1.40.4 1.45.50.5 1.60.5 1.60.5 1.6V OHHigh Level Output Voltage2.0I O =-50 µA 1.9 2.0 1.9 1.9V3.0I O =-50 µA 2.9 3.0 2.9 2.94.5I O =-50 µA 4.4 4.5 4.4 4.43.0I O =-4 mA 2.58 2.48 2.44.5I O =-8 mA 3.943.83.7V OLLow Level Output Voltage2.0I O =50 µA 0.00.10.10.1V3.0I O =50 µA 0.00.10.10.14.5I O =50 µA 0.00.10.10.13.0I O =4 mA 0.360.440.554.5I O =8 mA 0.360.440.55I I Input Leakage Current0 to 5.5V I = 5.5V or GND ± 0.1± 1± 1µA I CCQuiescent Supply Current5.5V I = V CC or GND22020µA SymbolParameterTest ConditionValueUnitV CC (V)C L (pF)T A = 25°C -40 to 85°C -55 to 125°C Min.Typ.Max.Min.Max.Min.Max.t PLH t PHLPropagation Delay Time3.3(*)158.312.8 1.015.0 1.015.0ns 3.3(*)5010.816.3 1.018.5 1.018.55.0(**)15 5.58.6 1.010.0 1.010.05.0(**)507.010.61.012.01.012.074VHC144/11Table 8: Capacitive Characteristics1) C PD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I CC(opr) = C PD x V CC x f IN + I CC /6 (per gate)Table 9: Dynamic Switching Characteristics1) Worst case package.2) Max number of outputs defined as (n). Data inputs are driven 0V to 5.0V, (n-1) outputs switching and one output at GND.3) Max number of data inputs (n) switching. (n-1) switching 0V to 5.0V. Inputs under test switching: 5.0V to threshold (V ILD ), 0V to threshold (V IHD ), f=1MHz.Figure 3: Test CircuitC L =15/50pF or equivalent (includes jig and probe capacitance)R T = Z OUT of pulse generator (typically 50Ω)SymbolParameterTest ConditionValue UnitT A = 25°C -40 to 85°C -55 to 125°C Min.Typ.Max.Min.Max.Min.Max.C IN Input Capacitance 6101010pF C PDPower Dissipation Capacitance (note 1)14pF SymbolParameterTest ConditionValue UnitV CC (V)T A = 25°C -40 to 85°C -55 to 125°C Min.Typ.Max.Min.Max.Min.Max.V OLP Dynamic Low Voltage Quiet Output (note 1, 2) 5.0CL = 50 pF0.30.8V V OLV -0.8-0.3V IHD Dynamic High Voltage Input (note 1, 3) 5.0 3.5VV ILDDynamic Low Voltage Input (note 1, 3)5.0 1.5V74VHC14 Figure 4: WAVEFORM: PROPAGATION DELAYS (f=1MHz; 50% duty cycle)5/1174VHC146/11DIM.mm.inchMIN.TYP MAX.MIN.TYP.MAX.A 1.35 1.750.0530.069 A10.10.250.0040.010 A2 1.10 1.650.0430.065 B0.330.510.0130.020 C0.190.250.0070.010 D8.558.750.3370.344 E 3.8 4.00.1500.157 e 1.270.050H 5.8 6.20.2280.244 h0.250.500.0100.020 L0.4 1.270.0160.050 k0°8°0°8°ddd0.1000.004SO-14 MECHANICAL DATA0016019D74VHC147/11DIM.mm.inchMIN.TYPMAX.MIN.TYP.MAX.A 1.20.047A10.050.150.0020.0040.006A20.81 1.050.0310.0390.041b 0.190.300.0070.012c 0.090.200.0040.0089D 4.95 5.10.1930.1970.201E 6.2 6.4 6.60.2440.2520.260E1 4.34.4 4.480.1690.1730.176e 0.65 BSC0.0256 BSCK 0˚8˚0˚8˚L0.450.600.750.0180.0240.030TSSOP14 MECHANICAL DATAcEbA2A E1D1PIN 1 IDENTIFICATIONA1LKe0080337D74VHC14Tape & Reel SO-14 MECHANICAL DATAmm.inch DIM.MIN.TYP MAX.MIN.TYP.MAX.A33012.992 C12.813.20.5040.519 D20.20.795N60 2.362T22.40.882 Ao 6.4 6.60.2520.260 Bo99.20.3540.362 Ko 2.1 2.30.0820.090 Po 3.9 4.10.1530.161 P7.98.10.3110.3198/1174VHC14 Tape & Reel TSSOP14 MECHANICAL DATAmm.inchDIM.MIN.TYP MAX.MIN.TYP.MAX.A33012.992C12.813.20.5040.519D20.20.795N60 2.362T22.40.882Ao 6.7 6.90.2640.272Bo 5.3 5.50.2090.217Ko 1.6 1.80.0630.071Po 3.9 4.10.1530.161P7.98.10.3110.3199/1174VHC14Table 10: Revision HistoryDate Revision Description of Changes 12-Nov-20046Order Codes Revision - pag. 1.10/1174VHC14 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is grantedby implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are notauthorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.The ST logo is a registered trademark of STMicroelectronicsAll other names are the property of their respective owners© 2004 STMicroelectronics - All Rights ReservedSTMicroelectronics group of companiesAustralia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America11/11。
74H系列
74HC00 TTL 2输入端四与非门74HC01 TTL 集电极开路2输入端四与非门74HC02 TTL 2输入端四或非门74HC03 TTL 集电极开路2输入端四与非门74HC04 TTL 六反相器74HC05 TTL 集电极开路六反相器74HC06 TTL 集电极开路六反相高压驱动器74HC07 TTL 集电极开路六正相高压驱动器74HC08 TTL 2输入端四与门74HC09 TTL 集电极开路2输入端四与门74HC10 TTL 3输入端3与非门74HC107 TTL 带清除主从双J-K触发器74HC109 TTL 带预置清除正触发双J-K触发器74HC11 TTL 3输入端3与门74HC112 TTL 带预置清除负触发双J-K触发器74HC12 TTL 开路输出3输入端三与非门74HC121 TTL 单稳态多谐振荡器74HC122 TTL 可再触发单稳态多谐振荡器74HC123 TTL 双可再触发单稳态多谐振荡器74HC125 TTL 三态输出高有效四总线缓冲门74HC126 TTL 三态输出低有效四总线缓冲门74HC13 TTL 4输入端双与非施密特触发器74HC132 TTL 2输入端四与非施密特触发器74HC133 TTL 13输入端与非门74HC136 TTL 四异或门74HC138 TTL 3-8线译码器/复工器74HC139 TTL 双2-4线译码器/复工器74HC14 TTL 六反相施密特触发器74HC145 TTL BCD—十进制译码/驱动器74HC15 TTL 开路输出3输入端三与门74HC150 TTL 16选1数据选择/多路开关74HC151 TTL 8选1数据选择器74HC153 TTL 双4选1数据选择器74HC154 TTL 4线—16线译码器74HC155 TTL 图腾柱输出译码器/分配器74HC156 TTL 开路输出译码器/分配器74HC157 TTL 同相输出四2选1数据选择器74HC158 TTL 反相输出四2选1数据选择器74HC16 TTL 开路输出六反相缓冲/驱动器74HC160 TTL 可预置BCD异步清除计数器74HC161 TTL 可予制四位二进制异步清除计数器74HC162 TTL 可预置BCD同步清除计数器74HC163 TTL 可予制四位二进制同步清除计数器74HC164 TTL 八位串行入/并行输出移位寄存器74HC165 TTL 八位并行入/串行输出移位寄存器74HC166 TTL 八位并入/串出移位寄存器74HC169 TTL 二进制四位加/减同步计数器74HC17 TTL 开路输出六同相缓冲/驱动器74HC170 TTL 开路输出4×4寄存器堆74HC173 TTL 三态输出四位D型寄存器74HC174HC TTL 带公共时钟和复位六D触发器74HC175 TTL 带公共时钟和复位四D触发器74HC180 TTL 9位奇数/偶数发生器/校验器74HC181 TTL 算术逻辑单元/函数发生器74HC185 TTL 二进制—BCD代码转换器74HC190 TTL BCD同步加/减计数器74HC191 TTL 二进制同步可逆计数器74HC192 TTL 可预置BCD双时钟可逆计数器74HC193 TTL 可预置四位二进制双时钟可逆计数器74HC194 TTL 四位双向通用移位寄存器74HC195 TTL 四位并行通道移位寄存器74HC196 TTL 十进制/二-十进制可预置计数锁存器74HC197 TTL 二进制可预置锁存器/计数器74HC20 TTL 4输入端双与非门74HC21 TTL 4输入端双与门74HC22 TTL 开路输出4输入端双与非门74HC221 TTL 双/单稳态多谐振荡器74HC240 TTL 八反相三态缓冲器/线驱动器74HC241 TTL 八同相三态缓冲器/线驱动器74HC243 TTL 四同相三态总线收发器74HC244 TTL 八同相三态缓冲器/线驱动器74HC245 TTL 八同相三态总线收发器74HC247 TTL BCD—7段15V输出译码/驱动器74HC248 TTL BCD—7段译码/升压输出驱动器74HC249 TTL BCD—7段译码/开路输出驱动器74HC251 TTL 三态输出8选1数据选择器/复工器74HC253 TTL 三态输出双4选1数据选择器/复工器74HC256 TTL 双四位可寻址锁存器74HC257 TTL 三态原码四2选1数据选择器/复工器74HC258 TTL 三态反码四2选1数据选择器/复工器74HC259 TTL 八位可寻址锁存器/3-8线译码器74HC26 TTL 2输入端高压接口四与非门74HC260 TTL 5输入端双或非门74HC266 TTL 2输入端四异或非门74HC27 TTL 3输入端三或非门74HC273 TTL 带公共时钟复位八D触发器74HC279 TTL 四图腾柱输出S-R锁存器74HC28 TTL 2输入端四或非门缓冲器74HC283 TTL 4位二进制全加器74HC290 TTL 二/五分频十进制计数器74HC293 TTL 二/八分频四位二进制计数器74HC295 TTL 四位双向通用移位寄存器74HC298 TTL 四2输入多路带存贮开关74HC299 TTL 三态输出八位通用移位寄存器74HC30 TTL 8输入端与非门74HC32 TTL 2输入端四或门74HC322 TTL 带符号扩展端八位移位寄存器74HC323 TTL 三态输出八位双向移位/存贮寄存器74HC33 TTL 开路输出2输入端四或非缓冲器74HC347 TTL BCD—7段译码器/驱动器74HC352 TTL 双4选1数据选择器/复工器74HC353 TTL 三态输出双4选1数据选择器/复工器74HC365 TTL 门使能输入三态输出六同相线驱动器74HC365 TTL 门使能输入三态输出六同相线驱动器74HC366 TTL 门使能输入三态输出六反相线驱动器74HC367 TTL 4/2线使能输入三态六同相线驱动器74HC368 TTL 4/2线使能输入三态六反相线驱动器74HC37 TTL 开路输出2输入端四与非缓冲器74HC373 TTL 三态同相八D锁存器74HC374 TTL 三态反相八D锁存器74HC375 TTL 4位双稳态锁存器74HC377 TTL 单边输出公共使能八D锁存器74HC378 TTL 单边输出公共使能六D锁存器74HC379 TTL 双边输出公共使能四D锁存器74HC38 TTL 开路输出2输入端四与非缓冲器74HC380 TTL 多功能八进制寄存器74HC39 TTL 开路输出2输入端四与非缓冲器74HC390 TTL 双十进制计数器74HC393 TTL 双四位二进制计数器74HC40 TTL 4输入端双与非缓冲器74HC42 TTL BCD—十进制代码转换器74HC352 TTL 双4选1数据选择器/复工器74HC353 TTL 三态输出双4选1数据选择器/复工器74HC365 TTL 门使能输入三态输出六同相线驱动器74HC366 TTL 门使能输入三态输出六反相线驱动器74HC367 TTL 4/2线使能输入三态六同相线驱动器74HC368 TTL 4/2线使能输入三态六反相线驱动器74HC37 TTL 开路输出2输入端四与非缓冲器74HC373 TTL 三态同相八D锁存器74HC374 TTL 三态反相八D锁存器74375 TTL 4位双稳态锁存器74377 TTL 单边输出公共使能八D锁存器74378 TTL 单边输出公共使能六D锁存器74379 TTL 双边输出公共使能四D锁存器7438 TTL 开路输出2输入端四与非缓冲器74380 TTL 多功能八进制寄存器7439 TTL 开路输出2输入端四与非缓冲器74390 TTL 双十进制计数器74393 TTL 双四位二进制计数器7440 TTL 4输入端双与非缓冲器7442 TTL BCD—十进制代码转换器74447 TTL BCD—7段译码器/驱动器7445 TTL BCD—十进制代码转换/驱动器74450 TTL 16:1多路转接复用器多工器74451 TTL 双8:1多路转接复用器多工器74453 TTL 四4:1多路转接复用器多工器7446 TTL BCD—7段低有效译码/驱动器74460 TTL 十位比较器74461 TTL 八进制计数器74465 TTL 三态同相2与使能端八总线缓冲器74466 TTL 三态反相2与使能八总线缓冲器74467 TTL 三态同相2使能端八总线缓冲器74468 TTL 三态反相2使能端八总线缓冲器74469 TTL 八位双向计数器7447 TTL BCD—7段高有效译码/驱动器7448 TTL BCD—7段译码器/内部上拉输出驱动74490 TTL 双十进制计数器74491 TTL 十位计数器74498 TTL 八进制移位寄存器7450 TTL 2-3/2-2输入端双与或非门74502 TTL 八位逐次逼近寄存器74503 TTL 八位逐次逼近寄存器7451 TTL 2-3/2-2输入端双与或非门74533 TTL 三态反相八D锁存器74534 TTL 三态反相八D锁存器7454 TTL 四路输入与或非门74540 TTL 八位三态反相输出总线缓冲器7455 TTL 4输入端二路输入与或非门74563 TTL 八位三态反相输出触发器74564 TTL 八位三态反相输出D触发器74573 TTL 八位三态输出触发器74574 TTL 八位三态输出D触发器74645 TTL 三态输出八同相总线传送接收器74670 TTL 三态输出4×4寄存器堆7473 TTL 带清除负触发双J-K触发器7474 TTL 带置位复位正触发双D触发器7476 TTL 带预置清除双J-K触发器7483 TTL 四位二进制快速进位全加器7485 TTL 四位数字比较器7486 TTL 2输入端四异或门7490 TTL 可二/五分频十进制计数器7493 TTL 可二/八分频二进制计数器7495 TTL 四位并行输入\输出移位寄存器7497 TTL 6位同步二进制乘法器注：同型号的74系列、74HC系列、74LS系列芯片，逻辑功能上是一样的。
74ls14,74hc14六反相器
三毛电子世界
推荐工作条件:
电源电压VCC
54
74
输入正向阀值电压VIT+ 输入负向阀值电压VIT－
滞后电压ΔVt
输出高电平电流IOH 输出低电平电流 54
IOL
74
最小 4.5 4.75 1.5 0.6 0.4
5414/7414 额定 5 5 1.7
0.9
0.8
单
最小 典型 最大 最小 典型 最大 位
VIK输入嵌位电压
Vcc=最小
Iik=-12mA Iik=-18mA
-1.5
VOH输出高电平电压
Vcc ＝ 最 小 VIL ＝ VIT- 54
最小 IOH＝最大
74
2.4 2.4
VOL输出低电平电压
Vcc=最小，VIH= VIT+ 54
最大，IOL=最大
74
0.4 0.4
逻辑图
双列直插封装
极限值 电源电压 …………………………………………. 7V 输入电压 54/7414…………………………………………. 5.5V 54/74LS14 ………………………………………. 7V 工作环境温度 54XXX ……………………………………………. -55~145℃ 74XXX………… ……………………………… 0~70℃ 存储温度 …………………………………………. -65~150℃
22
‘LS14 最大 22
22
单位
ns ns
三毛电子世界
最大 5.5 5.25 2 1.1
-800 16 16
54LS14/74LS14
最小
额定
最大
4.5
5
5.5
74hc14
74系列功能大全（中文）2010-09-16 14:5574、74HC、74LS系列芯片资料，从网上下的，集合了一下系列电平典型传输延迟ns 最大驱动电流(-Ioh/Lol)mAAHC CMOS 8.5 -8/8AHCT COMS/TTL 8.5 -8/8HC COMS 25 -8/8HCT COMS/TTL 25 -8/8ACT COMS/TTL 10 -24/24F TTL 6.5 -15/64ALS TTL 10 -15/64LS TTL 18 -15/24注：同型号的74系列、74HC系列、74LS系列芯片，逻辑功能上是一样的。
74LSxx的使用说明如果找不到的话，可参阅74xx或74HCxx的使用说明。
有些资料里包含了几种芯片，如74HC161资料里包含了74HC160、74HC161、74HC162、74HC163四种芯片的资料。
找不到某种芯片的资料时，可试着查看一下临近型号的芯片资料。
7400 QUAD 2-INPUT NAND GATES 与非门7401 QUAD 2-INPUT NAND GATES OC 与非门7402 QUAD 2-INPUT NOR GATES 或非门7403 QUAD 2-INPUT NAND GATES 与非门7404 HEX INVERTING GATES 反向器7406 HEX INVERTING GATES HV 高输出反向器7408 QUAD 2-INPUT AND GATE 与门7409 QUAD 2-INPUT AND GATES OC 与门7410 TRIPLE 3-INPUT NAND GATES 与非门7411 TRIPLE 3-INPUT AND GATES 与门74121 ONE-SHOT WITH CLEAR 单稳态74132 SCHMITT TRIGGER NAND GATES 触发器与非门7414 SCHMITT TRIGGER INVERTERS 触发器反向器74153 4-LINE TO 1 LINE SELECTOR 四选一74155 2-LINE TO 4-LINE DECODER 译码器74180 PARITY GENERATOR/CHECKER 奇偶发生检验74191 4-BIT BINARY COUNTER UP/DOWN 计数器7420 DUAL 4-INPUT NAND GATES 双四输入与非门7426 QUAD 2-INPUT NAND GATES 与非门7427 TRIPLE 3-INPUT NOR GATES 三输入或非门7430 8-INPUT NAND GATES 八输入端与非门7432 QUAD 2-INPUT OR GATES 二输入或门7438 2-INPUT NAND GATE BUFFER 与非门缓冲器7445 BCD-DECIMAL DECODER/DRIVER BCD译码驱动器7474 D-TYPE FLIP-FLOP D型触发器7475 QUAD LATCHES 双锁存器7476 J-K FLIP-FLOP J-K触发器7485 4-BIT MAGNITUDE COMPARATOR 四位比较器7486 2-INPUT EXCLUSIVE OR GATES 双端异或门74HC00 QUAD 2-INPUT NAND GATES 双输入与非门74HC02 QUAD 2-INPUT NOR GATES 双输入或非门74HC03 2-INPUT OPEN-DRAIN NAND GATES 与非门74HC04 HEX INVERTERS 六路反向器74HC05 HEX INVERTERS OPEN DRAIN 六路反向器74HC08 2-INPUT AND GATES 双输入与门74HC107 J-K FLIP-FLOP WITH CLEAR J-K触发器74HC109A J-K FLIP-FLOP W/PRESET J-K触发器74HC11 TRIPLE 3-INPUT AND GATES 三输入与门74HC112 DUAL J-K FLIP-FLOP 双J-K触发器74HC113 DUAL J-K FLIP-FLOP PRESET 双JK触发器74HC123A RETRIGGERABLE MONOSTAB 可重触发单稳74HC125 TRI-STATE QUAD BUFFERS 四个三态门74HC126 TRI-STATE QUAD BUFFERS 六三态门74HC132 2-INPUT TRIGGER NAND 施密特触发与非门74HC133 13-INPUT NAND GATES 十三输入与非门74HC137 3-TO-8 DECODERS W/LATCHES 3-8线译码器74HC138 3-8 LINE DECODER 3线至8线译码器74HC139 2-4 LINE DECODER 2线至4线译码器74HC14 TRIGGERED HEX INVERTER 六触发反向器74HC147 10-4 LINE PRIORITY ENCODER 10-4编码器74HC148 8-3 LINE PRIORITY ENCODER 8-3编码器74HC149 8-8 LINE PRIORITY ENCODER 8-8编码器74HC151 8-CHANNEL DIGITAL MUX 8通道多路器74HC153 DUAL 4-INPUT MUX 双四输入多路器74HC154 4-16 LINE DECODER 4线至16线译码器74HC155 2-4 LINE DECODER 2线至4线译码器74HC157 QUAD 2-INPUT MUX 四个双端多路器74HC161 BINARY COUNTER 二进制计数器74HC163 DECADE COUNTERS 十进制计数器74HC164 SERIAL-PARALLEL SHIFT REG 串入并出74HC165 PARALLEL-SERIAL SHIFT REG 并入串出74HC166 SERIAL-PARALLEL SHIFT REG 串入并出74HC173 TRI-STATE D FLIP-FLOP 三态D触发器74HC174 HEX D FLIP-FLOP W/CLEAR 六D触发器74HC175 HEX D FLIP-FLOP W/CLEAR 六D触发器74HC181 ARITHMETIC LOGIC UNIT 算术逻辑单元74HC182 LOOK AHEAD CARRYGENERATR 进位发生器74HC190 BINARY UP/DN COUNTER 二进制加减计数器74HC191 DECADE UP/DN COUNTER 十进制加减计数器74HC192 DECADE UP/DN COUNTER 十进制加减计数器74HC193 BINARY UP/DN COUNTER 二进制加减计数器74HC194 4BIT BI-DIR SHIFT 4位双向移位寄存器74HC195 4BIT PARALLEL SHIFT 4位并行移位寄存器74HC20 QUAD 4-INPUT NAND GATE 四个四入与非门74HC221A NON-RETRIG MONOSTAB 不可重触发单稳74HC237 3-8 LINE DECODER 地址锁3线至8线译码器74HC242/243 TRI-STAT TRANSCEIVER 三态收发器74HC244 OCTAL 3-STATE BUFFER 八个三态缓冲门74HC245 OCTAL 3-STATE TRANSCEIVER 三态收发器74HC251 8-CH 3-STATE MUX 8路3态多路器74HC253 DUAL 4-CH 3-STATE MUX 4路3态多路器74HC257 QUAD 2-CH 3-STATE MUX 4路3态多路器74HC258 2-CH 3-STATE MUX 2路3态多路器74HC259 3-8 LINE DECODER 8位地址锁存译码器74HC266A 2-INPUT EXCLUSIVE NOR GATE 异或非74HC27 TRIPLE 3-INPUT NOR GATE三个3输入或非门74HC273 OCTAL D FLIP-FLOP CLEAR 8路D触发器74HC280 9BIT ODD/EVEN GENERATOR 奇偶发生器74HC283 4BIT BINARY ADDER CARRY 四位加法器74HC299 3-STATE UNIVERSAL SHIFT 三态移位寄存74HC30 8-INPUT NAND GATE 8输入端与非门74HC32 QUAD 2-INPUT OR GATE 四个双端或门74HC34 NON-INVERTER 非反向器74HC354 8-CH 3-STATE MUX 8路3态多路器74HC356 8-CH 3-STATE MUX 8路3态多路器74HC365 HEX 3-STATE BUFFER 六个三态缓冲门74HC366 3-STATE BUFFER INVERTER 缓冲反向器74HC367 3-STATE BUFFER INVERTER 缓冲反向器74HC368 3-STATE BUFFER INVERTER 缓冲反向器74HC373 3-STATE OCTAL D LATCHES 三态D型锁存器74HC374 3-STATE OCTAL D FLIPFLOP 三态D触发器74HC393 4-BIT BINARY COUNTER 4位二进制计数器74HC4016 QUAD ANALOG SWITCH 四路模拟量开关74HC4020 14-Stage Binary Counter 14输出计数器74HC4017 Decade Counter/Divider with 10 Decoded Outputs 十进制计数器带10个译码输出端74HC4040 12 Stage Binary Counter 12出计数器74HC4046 PHASE LOCK LOOP 相位监测输出器74HC4049 LEVEL DOWN CONVERTER 电平变低器74HC4050 LEVEL DOWN CONVERTER 电平变低器74HC4051 8-CH ANALOG MUX 8通道多路器74HC4052 4-CH ANALOG MUX 4通道多路器74HC4053 2-CH ANALOG MUX 2通道多路器74HC4060 14-STAGE BINARY COUNTER 14阶BIN计数74HC4066 QUAD ANALOG MUX 四通道多路器74HC4075 TRIPLE 3-INPUT OR GATE 3输入或门74HC42 BCD TO DECIMAL BCD转十进制译码器74HC423A RETRIGGERABLE MONOSTAB 可重触发单稳74HC4511 BCD-7 SEG DRIVER/DECODER 7段译码器74HC4514 4-16 LINE DECODER 4至16线译码器74HC4538A RETRIGGERAB MONOSTAB 可重触发单稳74HC4543 LCD BCD-7 SEG LCD用的BCD-7段译码驱动74HC51 AND OR GATE INVERTER 与或非门74HC521 8BIT MAGNITUDE COMPARATOR 判决定路74HC533 3-STATE D LATCH 三态D锁存器74HC534 3-STATE D FLIP-FLOP 三态D型触发器74HC540 3-STATE BUFFER 三态缓冲器74HC541 3-STATE BUFFER INVERTER三态缓冲反向器74HC58 DUAL AND OR GATE 与或门74HC589 3STATE 8BIT SHIFT 8位移位寄存三态输出74HC594 8BIT SHIFT REG 8位移位寄存器74HC595 8BIT SHIFT REG 8位移位寄存器出锁存74HC597 8BIT SHIFT REG 8位移位寄存器入锁存74HC620 3-STATE TRANSCEIVER 反向3态收发器74HC623 3-STATE TRANSCEIVER 八路三态收发器74HC640 3-STATE TRANSCEIVER 反向3态收发器74HC643 3-STATE TRANSCEIVER 八路三态收发器74HC646 NON-INVERT BUS TRANSCEIVER 总线收发器74HC648 INVERT BUS TRANCIVER 反向总线收发器74HC688 8BIT MAGNITUDE COMPARATOR 8位判决电路74HC7266 2-INPUT EXCLUSIVE NOR GATE 异或非门74HC73 DUAL J-K FLIP-FLOP W/CLEAR 双JK触发器74HC74A PRESET/CLEAR D FLIP-FLOP 双D触发器74HC75 4BIT BISTABLE LATCH 4位双稳锁存器74HC76 PRESET/CLEAR JK FLIP-FLOP 双JK触发器74HC85 4BIT MAGNITUDE COMPARATOR 4位判决电路74HC86 2INPUT EXCLUSIVE OR GATE 2输入异或门74HC942 BAUD MODEM 300BPS低速调制解调器74HC943 300 BAUD MODEM 300BPS低速调制解调器74LS00 QUAD 2-INPUT NAND GATES 与非门74LS02 QUAD 2-INPUT NOR GATES 或非门74LS03 QUAD 2-INPUT NAND GATES 与非门74LS04 HEX INVERTING GATES 反向器74LS05 HEX INVERTERS OPEN DRAIN 六路反向器74LS08 QUAD 2-INPUT AND GATE 与门74LS09 QUAD 2-INPUT AND GATES OC 与门74LS10 TRIPLE 3-INPUT NAND GATES 与非门74LS109 QUAD 2-INPUT AND GATES OC 与门74LS11 TRIPLE 3-INPUT AND GATES 与门74LS112 DUAL J-K FLIP-FLOP 双J-K触发器74LS113 DUAL J-K FLIP-FLOP PRESET 双JK触发器74LS114 NEGATIVE J-K FLIP-FLOP 负沿J-K触发器74LS122 Retriggerable Monostab 可重触发单稳74LS123 Retriggerable Monostable 可重触发单稳74LS125 TRI-STATE QUAD BUFFERS 四个三态门74LS13 QUAL 4-in NAND TRIGGER 4输入与非触发器74LS160 BCD DECADE 4BIT BIN COUNTERS 计数器74LS136 QUADRUPLE 2-INPUT XOR GATE 异或门74LS138 3-8 LINE DECODER 3线至8线译码器74LS139 2-4 LINE DECODER 2线至4线译码器74LS14 TRIGGERED HEX INVERTER 六触发反向器74HC147 10-4 LINE PRIORITY ENCODER 10-4编码器74HC148 8-3 LINE PRIORITY ENCODER 8-3编码器74HC149 8-8 LINE PRIORITY ENCODER 8-8编码器74LS151 8-CHANNEL DIGITAL MUX 8通道多路器74LS153 DUAL 4-INPUT MUX 双四输入多路器74LS155 2-4 LINE DECODER 2线至4线译码器74LS156 2-4 LINE DECODER/DEMUX 2-4译码器74LS157 QUAD 2-INPUT MUX 四个双端多路器74LS158 2-1 LINE MUX 2-1线多路器74LS160A BINARY COUNTER 二进制计数器74LS161A BINARY COUNTER 二进制计数器74LS162A BINARY COUNTER 二进制计数器74LS163A DECADE COUNTERS 十进制计数器74LS164 SERIAL-PARALLEL SHIFT REG 串入并出74LS168 BI-DIRECT BCD TO DECADE 双向计数器74LS169 4BIT UP/DN BIN COUNTER 四位加减计数器74LS173 TRI-STATE D FLIP-FLOP 三态D触发器74LS174 HEX D FLIP-FLOP W/CLEAR 六D触发器74LS175 HEX D FLIP-FLOP W/CLEAR 六D触发器74LS190 BINARY UP/DN COUNTER 二进制加减计数器74LS191 DECADE UP/DN COUNTER 十进制加减计数器74LS192 DECADE UP/DN COUNTER 十进制加减计数器74LS193 BINARY UP/DN COUNTER 二进制加减计数器74LS194A 4BIT BI-DIR SHIFT 4位双向移位寄存器74LS195A 4BIT PARALLEL SHIFT4位并行移位寄存器74LS20 QUAD 4-INPUT NAND GATE 四个四入与非门74LS21 4-INPUT AND GATE 四输入端与门74LS240 OCTAL 3-STATE BUFFER 八个三态缓冲门74LS244 OCTAL 3-STATE BUFFER 八个三态缓冲门74LS245 OCTAL 3-STATE TRANSCEIVER 三态收发器74LS253 DUAL 4-CH 3-STATE MUX 4路3态多路器74LS256 4BIT ADDRESS LATCH 四位可锁存锁存器74LS257 QUAD 2-CH 3-STATE MUX 4路3态多路器74LS258 2-CH 3-STATE MUX 2路3态多路器74LS27 TRIPLE 3-INPUT NOR GATES 三输入或非门74LS279 QUAD R-S LATCHES 四个RS非锁存器74LS28 QUAD 2-INPUT NOR BUFFER 四双端或非缓冲74LS283 4BIT BINARY ADDER CARRY 四位加法器74LS30 8-INPUT NAND GATES 八输入端与非门74LS32 QUAD 2-INPUT OR GATES 二输入或门74LS352 4-1 LINE SELECTOR/MUX 4-1线选择多路器74LS365 HEX 3-STATE BUFFER 六个三态缓冲门74LS367 3-STATE BUFFER INVERTER 缓冲反向器74LS368A 3-STATE BUFFER INVERTER 缓冲反向器74LS373 OCT LATCH W/3-STATE OUT三态输出锁存器74LS76 Dual JK Flip-Flop w/set 2个JK触发器74LS379 QUAD PARALLEL REG 四个并行寄存器74LS38 2-INPUT NAND GATE BUFFER 与非门缓冲器74LS390 DUAL DECADE COUNTER 2个10进制计数器74LS393 DUAL BINARY COUNTER 2个2进制计数器74LS42 BCD TO DECIMAL BCD转十进制译码器74LS48 BCD-7 SEG BCD-7段译码器74LS49 BCD-7 SEG BCD-7段译码器74LS51 AND OR GATE INVERTER 与或非门74LS540 OCT Buffer/Line Driver 8路缓冲驱动器74LS541 OCT Buffer/Line Driver 8路缓冲驱动器74LS74 D-TYPE FLIP-FLOP D型触发器74LS682 8BIT MAGNITUDE COMPARATOR 8路比较器74LS684 8BIT MAGNITUDE COMPARATOR 8路比较器74LS75 QUAD LATCHES 双锁存器74LS83A 4BIT BINARY ADDER CARRY 四位加法器74LS85 4BIT MAGNITUDE COMPARAT 4位判决电路74LS86 2INPUT EXCLUSIVE OR GATE 2输入异或门74LS90 DECADE/BINARY COUNTER 十/二进制计数器74LS95B 4BIT RIGHT/LEFT SHIFT 4位左右移位寄存74LS688 8BIT MAGNITUDE COMPARAT 8位判决电路74LS136 2-INPUT XOR GATE 2输入异或门74LS651 BUS TRANSCEIVERS 总线收发器74LS653 BUS TRANSCEIVERS 总线收发器74LS670 3-STATE 4-BY-4 REG 3态4-4寄存器74LS73A DUAL J-K FLIP-FLOP W/CLEAR 双JK触发器。
74LVC2G14SH双施密特型反相器
1
1A
1Y
handbook, halfpage
6
1
6
3
2A
2Y
4
3
MNB083
4
MNB082
Fig.3 Logic symbol.
Fig.4 IEEE/IEC logic symbol.
handbook, halfpage
1A
1Y
2A
2Y
MNB084
Fig.5 Logic diagram.
2004 Sep 08
VCC + 0.5 V
Power-down mode; notes 1 and 2 −0.5
2004 Sep 08
5
Philips Semiconductors
Product specification
Dual inverting Schmitt-trigger with 5 V tolerant input
74LVC2G14
CODE SOT363 SOT457 SOT886
MARKING VK V14 VK
14
1 2 6 1A 1 6 1Y
1A GND
1Y VCC 2Y
14
5
GND
2
5
VCC
2A
3
001aab672
4
2A
3
4
2Y
001aab673
Transparent top view
Fig.1 Pin configuration SC-88 and SC-74.
FUNCTION TABLE See note 1. INPUT nA L H Note 1. H = HIGH voltage level; L = LOW voltage level. ORDERING INFORMATION PACKAGE TYPE NUMBER TEMPERATURE RANGE 74LVC2G14GW 74LVC2G14GV 74LVC2G14GM PINNING PIN 1 2 3 4 5 6 1A GND 2A 2Y VCC 1Y SYMBOL data input ground (0 V) data input data output supply voltage data output DESCRIPTION −40 °C to +125 °C −40 °C to +125 °C −40 °C to +125 °C PINS 6 6 6 PACKAGE SC-88 SC-74 XSON6 MATERIAL plastic plastic plastic OUTPUT nY H L
74HC04和74HC14的具体区别详解
74HC04 和74HC14 的具体区别详解
同样具有反相器功能，你知道74HC04 和74HC14 的具体区别吗？
74HC04
对于74HC04 很好理解，输入低电平，输出高电平；输入高电平，输出低电平。
建议操作条件：
下图是TI 的74HC04 的输入特性表，举个例子来看，当芯片供电电压Vcc=4.5V 时，输入端最少输入3.15V 电压才可以被74HC04 识别为高电
平；同理，输入端只有输入不大于1.35V 的电压，才可以被识别为低电平。
在TEST CONDITIONS（测试条件）分别选IOH=-4mA 和
IOL=4mA，再举例子看，同上面的一样，当芯片供电电压Vcc=4.5V 时，且
输入端被识别为低电平，输出端VOH 就是高电平，且最小值为3.84V；同。
飞利浦 74ALVC14 Hex inverting Schmitt trigger 数据手册
1.General descriptionThe 74ALVC14is a high-performance,low-power,low-voltage,Si-gate CMOS device and superior to most advanced CMOS compatible TTL families.The 74ALVC14 provides six inverting buffers with Schmitt-trigger action. It is capable of transforming slowly changing input signals into sharply defined, jitter-free output signals.2.Featuress Wide supply voltage range from 1.65 V to 3.6 V s 3.6 V tolerant inputs/outputs s CMOS low power consumptions Direct interface with TTL levels (2.7 V to 3.6 V)s Power-down modes Unlimited input rise and fall timess Latch-up performance exceeds 250 mA sComplies with JEDEC standard:x JESD8-7 (1.65 V to 1.95 V)x JESD8-5 (2.3 V to 2.7 V)x JESD8-B/JESD36 (2.7 V to 3.6 V)s ESD protection:x HBM EIA/JESD22-A114-B exceeds 2000 V x MM EIA/JESD22-A115-A exceeds 200 V s Multiple package options3.Quick reference data74ALVC14Hex inverting Schmitt triggerRev. 03 — 15 February 2005Product data sheetTable 1:Quick reference data SymbolParameterConditionsMin Typ Max Unit t PHL , t PLH propagation delay nAto nYV CC =1.8V;C L =30pF;R L = 1 k Ω- 2.9-ns V CC =2.5V;C L =30pF;R L = 500Ω- 2.2-ns V CC =2.7V;C L =50pF;R L = 500Ω- 2.8-ns V CC =3.3V;C L =50pF;R L = 500Ω- 2.4-ns查询74ALVC14BQ供应商[1]C PD is used to determine the dynamic power dissipation (P D in µW).P D = C PD × V CC 2× f i × N +Σ(C L × V CC 2× f o ) where:f i = input frequency in MHz;f o = output frequency in MHz;C L = output load capacitance in pF;V CC = supply voltage in V;N = number of inputs switching;Σ(C L × V CC 2× f o ) = sum of the outputs.[2]The condition is V I = GND to V CC .4.Ordering informationC I input capacitance - 3.5-pF C PDpower dissipationcapacitance per bufferV CC = 3.3 V[1][2]-25-pFTable 1:Quick reference data …continued Symbol Parameter Conditions Min Typ Max Unit Table 2:Ordering informationType numberPackageTemperature range NameDescriptionVersion 74ALVC14D −40°C to +85°C SO14plastic small outline package; 14leads;body width 3.9mmSOT108-174ALVC14PW −40°C to +85°C TSSOP14plastic thin shrink small outline package; 14 leads;body width 4.4mmSOT402-174ALVC14BQ−40°C to +85°CDHVQFN14plastic dual in-line compatible thermal enhanced verythin quad flat package; no leads;14terminals;body 2.5×3×0.85mmSOT762-15.Functional diagramFig 1.Logic symbol Fig 2.IEC logic symbolFig 3.Logic diagram (one Schmitt trigger)mna2041A 1Y 122A 2Y 343A 3Y 564A 4Y 985A 5Y 11106A6Y1312891011001aac4971213214365mna025A Y6.Pinning information6.1Pinning6.2Pin descriptionThe die substrate is attached to the exposed die pad using conductive die attach material. It can not be used as a supply pin or input.Fig 4.Pin configuration SO14 andTSSOP14Fig 5.Pin configuration DHVQFN14141A V CC 1Y 6A 2A 6Y2Y 5A 3A 5Y 3Y 4A GND4Y001aac4981234567810912111413001aac49914GND (1)Transparent top view3Y4A3A 5Y 2Y 5A 2A6Y 1Y 6A G N D4Y 1AV C C6951041131221378114terminal 1index areaTable 3:Pin description Symbol Pin Description 1A 1 1 data input A 1Y 2 1 data output Y 2A 3 2 data input A 2Y 4 2 data output Y 3A 5 3 data input A 3Y 6 3 data output Y GND 7ground (0 V)4Y 8 4 data output Y 4A 9 4 data input A 5Y 10 5 data output Y 5A 11 5 data input A 6Y 12 6 data output Y 6A 13 6 data input A V CC14supply voltage7.Functional description7.1Function table[1]H = HIGH voltage level;L = LOW voltage level.8.Limiting values[1]The input and output voltage ratings may be exceeded if the input and output current ratings are observed.[2]When V CC = 0 V (Power-down mode), the output voltage can be 3.6 V in normal operation.[3]For SO14 packages: P tot derates linearly with 8mW/K above 70°C.For TSSOP14 packages: P tot derates linearly with 5.5mW/K above 60°C.For DHVQFN14 packages: P tot derates linearly with 4.5mW/K above 60°C.Table 4:Function table [1]Input Output nA nY L H HLTable 5:Limiting valuesIn accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground =0V).Symbol Parameter ConditionsMin Max Unit V CC supply voltage −0.5+4.6V V I input voltage [1]−0.5+4.6V V O output voltage Active mode [1]−0.5V CC + 0.5VPower-down mode [2]−0.5+4.6V I IK input diode current V I < 0V-−50mA I OK output diode current V O > V CC or V O < 0V -±50mA I O output source or sink currentV O = 0V to V CC-±50mA I CC ,I GND V CC or GND current -±100mA T stg storage temperature −65+150°C P tottotal power dissipationT amb =−40°C to +85°C[3]-500mW9.Recommended operating conditions10.Static characteristics[1]Typical values are measured at T amb = 25°C.Table 6:Recommended operating conditionsSymbol ParameterConditionsMin Typ Max Unit V CC supply voltage 1.65- 3.6V V I input voltage 0- 3.6V V Ooutput voltageV CC = 1.65 V to 3.6 V 0-V CC V Power-down mode;V CC = 0 V0- 3.6V T ambambient temperature−40-+85°CTable 7:Static characteristicsAt recommended operating conditions; voltages are referenced to GND (ground = 0 V).Symbol Parameter Conditions Min Typ Max UnitT amb =−40°C to +85°C [1]V OLLOW-level output voltageV I = V IH or V ILI O =100µA; V CC = 1.65 V to 3.6V --0.2V I O = 6 mA; V CC = 1.65 V -0.110.3V I O = 12 mA; V CC = 2.3 V -0.170.4V I O = 18 mA; V CC = 2.3 V -0.250.6V I O = 12 mA; V CC = 2.7 V;-0.160.4V I O = 18 mA; V CC = 3.0 V -0.230.4V I O = 24 mA; V CC = 3.0 V-0.300.55V V OHHIGH-level voltage outputV I = V IH or V ILI O =−100µA; V CC = 1.65 V to 3.6V V CC − 0.2--V I O =−6 mA; V CC = 1.65 V 1.25 1.51-V I O =−12 mA; V CC = 2.3 V 1.8 2.10-V I O =−18 mA; V CC = 2.3 V 1.7 2.01-V I O =−12 mA; V CC = 2.7 V; 2.2 2.53-V I O =−18 mA; V CC = 3.0 V 2.4 2.76-V I O =−24 mA; V CC = 3.0 V2.2 2.68-V I LI input leakage current V CC =3.6 V; V I = 3.6 V or GND -±0.1±5µA I off power-off leakage current V CC = 0 V; V I or V O = 3.6 V-±0.1±10µA I CC quiescent supply current V CC =3.6V;V I =V CC or GND;I O =0A -0.210µA ∆I CC additional quiescent supply current per input pin V CC =3.0V to 3.6V;V I =V CC −0.6V;I O = 0A-5750µA C Iinput capacitance-3.5-pF11.Dynamic characteristics[1]Typical values are measured at T amb = 25°C.[2]C PD is used to determine the dynamic power dissipation (P D in µW).P D = C PD × V CC 2× f i × N +Σ(C L × V CC 2× f o ) where:f i = input frequency in MHz;f o = output frequency in MHz;C L = output load capacitance in pF;V CC = supply voltage in V;N = number of inputs switching;Σ(C L × V CC 2× f o ) = sum of the outputs.[3]The condition is V I = GND to V CC .12.WaveformsTable 8:Dynamic characteristicsVoltages are referenced to GND (ground =0V); for test circuit see Figure 7.Symbol Parameter Conditions Min Typ Max UnitT amb =−40°C to +85°C [1]t PHL ,t PLHpropagation delay nA to nYsee Figure 6V CC = 1.65 V to 1.95 V 1.0 2.9 4.4ns V CC = 1.95 V to 2.7 V 1.0 2.2 3.7ns V CC = 2.7 V 1.0 2.8 3.9ns V CC = 3.0 V to 3.6 V1.02.43.4ns C PDpower dissipationcapacitance per bufferV CC = 3.3 V[2][3]-25-pFV OL and V OH are typical output voltage drop that occur with the output load.Fig 6.Propagation delay input (nA) to output (nY)Table 9:Measurement pointsSupply Input Output V CCV M V M 1.65V to 1.95V 0.5× V CC 0.5× V CC 2.3V to 2.7V 0.5× V CC 0.5× V CC 2.7V 1.5 V 1.5 V 3.0V to 3.6V1.5 V1.5 Vmna344t PHLt PLHV MV MnA inputnY outputGNDV IV OHV OL13.Transfer characteristicsTest data is given in T able 9.Definitions test circuit:R T = Termination resistance should be equal to output impedance Z o of the pulse generator.C L = Load capacitance including jig and probe capacitance.R L = Load resistor.V EXT = Test voltage for switching times.Fig 7.Load circuitry for switching times Table 10:Test dataSupply Input Load V EXT V CCV I t r , t f C L R L t PLH , t PHL 1.65V to 1.95V V CC ≤ 2.0 ns 30pF 1k Ωopen 2.3V to 2.7V V CC ≤ 2.0 ns 30pF 500Ωopen 2.7V 2.7 V ≤ 2.5 ns 50pF 500Ωopen 3.0V to 3.6V2.7 V≤ 2.5 ns50pF500ΩopenV EXTV CCV IV Omna616D.U.T.C LR TR LR LPULSE GENERATORTable 11:Transfer characteristicsThe V IH and V IL from the family static characteristics are superseded by the V T+ and V T −.Voltages are referenced to GND (ground = 0 V); see Figure 8.Symbol Parameter Conditions Min Typ Max Unit T amb =−40°C to +85°C [1]V T+positive-going thresholdV CC = 1.65 V 0.70.98 1.24V V CC = 1.95 V 0.75 1.12 1.46V V CC = 2.3 V 0.9 1.27 1.7V V CC = 2.7 V 1.0 1.43 2.0V V CC = 3.0 V [2]1.1 1.562.0V V CC =3.6 V1.1 1.812.0V V T −negative-going thresholdV CC = 1.65 V 0.410.640.9V V CC = 1.95 V 0.490.76 1.1V V CC = 2.3 V 0.60.90 1.3V V CC = 2.7 V 0.7 1.06 1.4V V CC = 3.0 V [2]0.8 1.19 1.5V V CC = 3.6 V0.81.421.7V[1]All typical values are measured at T amb = 25°C.[2]The typical transfer characteristic is displayed in Figure 9.14.Waveforms transfer characteristicsV Hhysteresis (V T+− V T −)V CC = 1.65 V 0.250.340.62V V CC = 1.95 V 0.250.360.62V V CC = 2.3 V 0.30.36 1.0V V CC = 2.7 V 0.30.38 1.1V V CC = 3.0 V [2]0.30.37 1.2V V CC = 3.6 V0.30.401.2VTable 11:Transfer characteristics …continuedThe V IH and V IL from the family static characteristics are superseded by the V T+ and V T −.Voltages are referenced to GND (ground = 0 V); see Figure 8.Symbol Parameter Conditions Min Typ Max Unit V T − at 20 % and V T+ at 70 %Fig 8.Definition of V T+, V T − and V HV CC = 3.0 V .Fig 9.Typical transfer characteristicmna207V OV IV H V T +V T −mna208V OV IV HV T +V T −00.6 1.2354123mna5821.82.4V I (V)I CC (mA)15.Application information(1)Positive-going edge.(2)Negative going-edge.Linear change of V I between 0.8V to 2.0V .All values given are typical unless otherwise specified.Fig 10.Average supply current as a function of supply voltageat V CC = 3.0 V .Fig 11.Relaxation oscillator2.12.73.92.50.51.51.02.0mna5813.32.43.0 3.6V CC (V)I CC (mA)(1)(2)mna035RCf 1T ---10.8RC×---------------------≈=16.Package outlineFig 12.Package outline SOT108-1 (SO14)UNIT Amax.A 1A 2A 3b p c D (1)E (1)(1)e H E L L p Q Z y w v θREFERENCESOUTLINE VERSION EUROPEAN PROJECTIONISSUE DATE IEC JEDEC JEITAmminches 1.750.250.101.451.250.250.490.360.250.198.758.554.03.8 1.27 6.25.80.70.60.70.38oo 0.250.1DIMENSIONS (inch dimensions are derived from the original mm dimensions)Note1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.1.00.4SOT108-1Xw MθAA 1A 2b pD H EL pQdetail XE Z ecL v M A(A )3A78114y076E06MS-012pin 1 index0.0690.0100.0040.0570.0490.010.0190.0140.01000.00750.350.340.160.150.051.050.0410.2440.2280.0280.0240.0280.0120.010.250.010.0040.0390.01699-12-2703-02-190 2.5 5 mmscaleSO14: plastic small outline package; 14 leads; body width 3.9 mmSOT108-1Fig 13.Package outline SOT402-1 (TSSOP14)UNIT A 1A 2A 3b p c D (1)E (2)(1)e H E L L p Q Z y w v θ REFERENCESOUTLINE VERSION EUROPEAN PROJECTIONISSUE DATE IECJEDEC JEITAmm0.150.050.950.800.300.190.20.15.14.94.54.30.656.66.20.40.30.720.3880oo 0.130.10.21DIMENSIONS (mm are the original dimensions)Notes1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.0.750.50SOT402-1MO-15399-12-2703-02-18w Mb pD Ze0.2517148θAA 1A 2L p Qdetail XL(A )3H EE cv M AXAy0 2.5 5 mmscaleTSSOP14: plastic thin shrink small outline package; 14 leads; body width 4.4 mm SOT402-1Amax.1.1pin 1 indexFig 14.Package outline SOT762-1 (DHVQFN14)terminal 1index area0.51A 1E h b UNIT y e 0.2c REFERENCESOUTLINE VERSION EUROPEAN PROJECTIONISSUE DATE IEC JEDEC JEITA mm3.12.9D h 1.651.35y 12.62.41.150.85e 120.300.180.050.000.050.1DIMENSIONS (mm are the original dimensions) SOT762-1MO-241- - -- - -0.50.3L 0.1v 0.05w 02.5 5 mmscaleSOT762-1DHVQFN14: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads;14 terminals; body 2.5 x 3 x 0.85 mmA (1)max.AA 1cdetail Xyy 1Ce LE hD h e e 1b2613987114XD EC B A02-10-1703-01-27terminal 1index areaA C CB v M w M E (1)Note1. Plastic or metal protrusions of 0.075 mm maximum per side are not included.D (1)17.Revision historyTable 12:Revision historyDocument ID Release date Data sheet status Change notice Doc. number Supersedes 74ALVC14_320050215Product data sheet-9397 750 1459274ALVC14_2 Modifications:•The format of this data sheet is redesigned to comply with the current presentation andinformation standard of Philips Semiconductors.•General text updates.74ALVC14_220030514Product specification-9397 750 1125774ALVC14_1 74ALVC14_120030203Product specification-9397 750 10452-18.Data sheet status[1]Please consult the most recently issued data sheet before initiating or completing a design.[2]The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL .[3]For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status.19.DefinitionsShort-form specification —The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook.Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134). Stress above one or more of the limiting values may cause permanent damage to the device.These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability.Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification.20.DisclaimersLife support —These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.Right to make changes —Philips Semiconductors reserves the right to make changes in the products - including circuits, standard cells, and/or software - described or contained herein in order to improve design and/or performance. When the product is in full production (status ‘Production’),relevant changes will be communicated via a Customer Product/Process Change Notification (CPCN). Philips Semiconductors assumes noresponsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to theseproducts,and makes no representations or warranties that these products are free from patent,copyright,or mask work right infringement,unless otherwise specified.21.Contact informationFor additional information, please visit: For sales office addresses, send an email to:**********************************Level Data sheet status [1]Product status [2][3]DefinitionI Objective data Development This data sheet contains data from the objective specification for product development. Philips Semiconductors reserves the right to change the specification in any manner without notice.IIPreliminary dataQualificationThis data sheet contains data from the preliminary specification.Supplementary data will be published at a later date.Philips Semiconductors reserves the right to change the specification without notice,in order to improve the design and supply the best possible product.III Product data ProductionThis data sheet contains data from the product specification. Philips Semiconductors reserves the right to make changes at any time in order to improve the design,manufacturing and supply.Relevant changes will be communicated via a Customer Product/Process Change Notification (CPCN).22.Contents1General description. . . . . . . . . . . . . . . . . . . . . . 12Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Quick reference data. . . . . . . . . . . . . . . . . . . . . 14Ordering information. . . . . . . . . . . . . . . . . . . . . 25Functional diagram . . . . . . . . . . . . . . . . . . . . . . 36Pinning information. . . . . . . . . . . . . . . . . . . . . . 46.1Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46.2Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 47Functional description . . . . . . . . . . . . . . . . . . . 57.1Function table. . . . . . . . . . . . . . . . . . . . . . . . . . 58Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 59Recommended operating conditions. . . . . . . . 610Static characteristics. . . . . . . . . . . . . . . . . . . . . 611Dynamic characteristics . . . . . . . . . . . . . . . . . . 712Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 713Transfer characteristics. . . . . . . . . . . . . . . . . . . 814Waveforms transfer characteristics. . . . . . . . . 915Application information. . . . . . . . . . . . . . . . . . 1016Package outline . . . . . . . . . . . . . . . . . . . . . . . . 1117Revision history. . . . . . . . . . . . . . . . . . . . . . . . 1418Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 1519Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1520Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1521Contact information . . . . . . . . . . . . . . . . . . . . 15© Koninklijke Philips Electronics N.V.2005All rights are reserved.Reproduction in whole or in part is prohibited without the priorwritten consent of the copyright owner.The information presented in this document doesnot form part of any quotation or contract,is believed to be accurate and reliable and maybe changed without notice.No liability will be accepted by the publisher for anyconsequence of its use.Publication thereof does not convey nor imply any license underpatent- or other industrial or intellectual property rights.Date of release: 15 February 2005Document number: 9397 750 14592。
74hc14反相器
DATA SHEETProduct specificationFile under Integrated Circuits, IC06September 199374HC/HCT14Hex inverting Schmitt triggerFor a complete data sheet, please also download:•The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications •The IC06 74HC/HCT/HCU/HCMOS Logic Package Information •The IC06 74HC/HCT/HCU/HCMOS Logic Package OutlinesFEATURES•Output capability: standard •I CC category: SSI GENERAL DESCRIPTIONThe 74HC/HCT14 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL).They are specified in compliance with JEDEC standard no. 7A.The 74HC/HCT14 provide six inverting buffers with Schmitt-trigger action. They are capable of transforming slowly changing input signals into sharply defined, jitter-free output signals.QUICK REFERENCE DATAGND = 0 V; T amb = 25°C; t r = t f = 6 ns Notes1.C PD is used to determine the dynamic power dissipation (P D in µW):P D = C PD ×V CC 2×f i +∑(C L ×V CC 2×f o )where:f i = input frequency in MHz f o = output frequency in MHz C L = output load capacitance in pF V CC = supply voltage in V∑(C L ×V CC 2×f o )= sum of outputs2.For HC the condition is V I = GND to V CCFor HCT the condition is V I = GND to V CC −1.5 V ORDERING INFORMATIONSee “74HC/HCT/HCU/HCMOS Logic Package Information”.SYMBOL PARAMETERCONDITIONS TYPICAL UNITHCHCTt PHL / t PLH propagation delay nA to nY C L = 15 pF; V CC = 5 V1217ns C I input capacitance3.5 3.5pF C PD power dissipation capacitance per gatenotes 1 and 278pFPIN DESCRIPTIONPIN NO.SYMBOL NAME AND FUNCTION1, 3, 5, 9, 11, 131A to 6A data inputs2, 4, 6, 8, 10, 121Y to 6Y data outputs7GND ground (0 V)14V CC positive supply voltageFig.1 Pin configuration.Fig.2 Logic symbol.Fig.3 IEC logic symbol.Fig.4 Functional diagram.Fig.5Logic diagram(one Schmitt trigger).FUNCTION TABLENotes1.H = HIGH voltage levelL = LOW voltage levelAPPLICATIONS•Wave and pulse shapers •Astable multivibrators •Monostable multivibratorsINPUT OUTPUTnA nYLHHLDC CHARACTERISTICS FOR 74HCFor the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Transfer characteristics are given below.Output capability: standard I CC category: SSITransfer characteristics for 74HCVoltages are referenced to GND (ground = 0 V)AC CHARACTERISTICS FOR 74HC GND = 0 V; t f = t f = 6 ns; C L = 50 pFSYMBOL PARAMETERT amb (°C)UNITTEST CONDITIONS 74HCV CC(V)WAVEFORMS +25−40to +85−40to +125min.typ.max.min.max.min.max.V T +positive-going threshold 0.71.72.1 1.182.383.14 1.5 3.154.20.71.72.1 1.53.154.20.71.72.1 1.53.154.2V2.04.56.0Figs 6 and 7V T −negative-going threshold 0.30.91.20.521.401.890.902.002.600.30.901.200.902.002.600.300.901.20.902.002.60V 2.04.56.0Figs 6 and 7V Hhysteresis (V T +− V T −)0.20.40.60.660.981.251.01.41.60.20.40.61.01.41.60.20.40.61.01.41.6V 2.04.56.0Figs 6 and 7SYMBOL PARAMETERT amb (°C)UNITTEST CONDITIONS 74HCV CC(V)WAVEFORMS +25−40to +85−40to +125min.typ.max.min.max.min.max.t PHL / t PLHpropagation delay nA to nY 411512125252115531261903832ns2.04.56.0Fig.8t THL / t TLHoutput transition time19767515139519151102219ns 2.04.56.0Fig.8DC CHARACTERISTICS FOR 74HCTFor the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Transfer characteristics are given below.Output capability: standard I CC category: SSINote to HCT typesThe value of additional quiescent supply current (∆I CC )for a unit load of 1 is given in the family specifications.To determine ∆I CC per input, multiply this value by the unit load coefficient shown in the table below.Transfer characteristics for 74HCTVoltages are referenced to GND (ground = 0 V)AC CHARACTERISTICS FOR 74HCT GND = 0 V; t r = t f = 6 ns; C L = 50 pFINPUT UNIT LOAD COEFFICIENT nA0.3SYMBOL PARAMETERT amb (°C)UNITTEST CONDITIONS 74HCTV CC(V)WAVEFORMS +25−40to +85−40to +125min.typ.max.min.max.min.max.V T +positive-going threshold 1.21.4 1.411.59 1.92.1 1.21.4 1.92.1 1.21.4 1.92.1V 4.55.5Figs 6 and 7V T −negative-going threshold 0.50.60.850.99 1.21.40.50.6 1.21.40.50.6 1.21.4V 4.55.5Figs 6 and 7V Hhysteresis (V T +−V T −)0.40.40.560.60−−0.40.4−−0.40.4−−V4.55.5Figs 6 and 7SYMBOL PARAMETERT amb (°C)UNITTEST CONDITIONS 74HCTV CC (V)WAVEFORMS+25−40to +85−40to +125min.typ.max.min.max.min.max.t PHL / t PLH propagation delay nA, to nY 20344351ns 4.5Fig.8t THL / t TLHoutput transition time7151922ns4.5Fig.8TRANSFER CHARACTERISTIC WAVEFORMSFig.6 Transfer characteristic.Fig.7Waveforms showing the definition of V T+, V T −and V H; where V T +and V T−arebetween limits of 20% and 70%.Fig.8 Typical HC transfer characteristics; V CC= 2 V.Fig.9 Typical HC transfer characteristics; V CC= 4.5 V. Fig.10 Typical HC transfer characteristics; V CC= 6 V.Fig.11 Typical HCT transfer characteristics; V CC= 4.5 V.Fig.12 Typical HCT transfer characteristics; V CC= 5.5 V. AC WAVEFORMS(1)HC: V M= 50%; V I= GND to V CC.HCT:V M= 1.3 V; V I=GND to 3 V.Fig.13Waveforms showing the input (nA) tooutput (nY) propagation delays andoutput transitions times.APPLICATION INFORMATIONThe slow input rise and fall times cause additional power dissipation, this can be calculated using the following formula:P ad = f i ×(t r ×I CCa +t f ×I CCa )×V CC .Where:Average I CCa differs with positive or negative input transitions, as shown in Figs 14 and 15.P ad =additional power dissipation (µW)f i =input frequency (MHz)t r =input rise time (µs); 10%−90%t f =input fall time (µs); 10%−90%I CCa=average additional supply current (µA)Fig.14Average I CC for HC Schmitt trigger devices;linear change of V i between 0.1 V CC to 0.9 V CC Fig.15Average I CC for HCT Schmitt trigger devices;linear change of V i between 0.1 V CC to 0.9 V CC .HC/HCT14 used in a relaxation oscillator circuit, see Fig.16.Fig.16 Relaxation oscillator using HC/HCT14.HC :f 1T ---10.8RC ------------------≈=HCT :f 1T ---10.67RC---------------------≈=Note to Application informationAll values given are typical unless otherwise specified.PACKAGE OUTLINESSee “74HC/HCT/HCU/HCMOS Logic Package Outlines”.。
74HC14中文资料_数据手册_参数
74HC_HCT14本文档提供的所有信息均受法律免责声明保护. ?恩智浦BV 2012.保留所有权利.产品数据表 2012年9月6日至19日 21的21 恩智浦半导体 74HC14; 74HCT14十六进制反转施密特触发器 （1）正向边缘. （2）消极的边缘. 图12. 74HC14的 平均附加电源电流与 V CC 的关系; V I 在0.1V CC 至 VCC 之间的 线性变化 0.9V CC . 02 46 400 300 100 0 200 MNA852 我 CC（AV） （ μA） V CC （V）积 极的边缘负面的边缘 （1）正向边缘. （2）消极的边缘. 图13. 74HCT14 作为V CC 的函数的平均附加电源电流 ; V I 在0.1V CC 之间的 线性变化 到0.9V CC . 02 46 400 300 100 0 200 MNA853 V CC （V） 我 CC（AV） （ μA）负面的边缘积极的边缘 产品数据表 2012年9月6日至19日 5 21恩智浦半导体 74HC14; 74HCT14十六进制反转施密特触发器 10.静态特性表6静态特性在推荐的 操作条件下;电压参考GND（地= 0 V）.符号参数条件 T AMB = 25℃ T AMB =?40?C到+85 ?C T AMB =?40?C到+125 ?C单元敏典型马克 斯敏马克斯敏马克斯 74HC14 V OH高水平输出电压 V I = V T + 或 VT? I O =?20?A; V CC = 2.0 V 1.9 2.0 - 1.9 - 1.9 - V I O =?20?A; V CC = 4.5V 4.4 4.5 - 4.4 - 4.4 - V I O =?20?A; V CC = 6.0 V 5.9 6 - 5.9 - 5.9 - V I O =?4.0MA; V CC = 4.5V 3.98 4.32 - 3.84 - 3.7 - V I O =?5.2MA; V CC = 6.0 V 5.48 5.81 - 5.34 - 5.2 - V V OL低位输出电压 V I = V T + 或 VT? I O =20?A; V CC = 2.0 V - 0 0.1 - 0.1 - 0.1 V I O =20?A; V CC = 4.5V 0 0.1 - 0.1 - 0.1 V I O =20?A; V CC = 6.0 V - 0 0.1 - 0.1 - 0.1 V I O = 4.0MA; V CC = 4.5V - 0.15 0.26 - 0.33 - 0.4 V I O = 5.2MA; V CC = 6.0 V 0.16 0.26 - 0.33 - 0.4 V 我 我输入泄漏当前 V I = V CC 或GND; V CC = 6.0 V - - ?0.1 - ?1.0 - ?1.0 ?A 我 CC电源电流 V I = V CC 或GND; 我 O = 0A; V CC = 6.0 V - 2.0 - 20 - 40 ?A C 我输入电容 -3.5 - - - - - PF的 74HCT14 V OH高水平输出电压 V I = V T + 或 VT? ; V CC = 4.5V 我 O =?20?A 4.4 4.5 - 4.4 - 4.4 - V I O =?4.0MA 3.98 4.32 - 3.84 - 3.7 - V V OL低位输出电压 V I = V T + 或 VT? ; V CC = 4 74HC14; 74HCT14十六进制反转施密特触发器图18.封装外形SOT337-1（SSOP14）单元 A 1 A 2 A 3 B P CD （1） E （1） EH E LL P QZ ? W ^ V θ参考大纲版欧洲投影发行日期 IEC JEDEC JEITA毫米 0.21 0.05 1.80 1.65 0.25 0.38 0.25 0.20 0.09 6.4 6 5.4 5.2 0.65 1.25 0.2 7.9 7.6 1.03 0.63 0.9 0.7 1.4 0.9 8 0 ? ? 0.13 0.1尺寸（MM是原始尺寸）注意 1.不包括每边多0.25毫米的塑料或金属突起. SOT337-1 99-12-27 19 年3月2日 （1） W M B P D H E ? ? ? C V M A X一个 ? 1 7 14 8 θ一个 A 1 A 2 L P Q细节X大号 （一个 ） 3 MO-150引脚1索引 0 2.5 5毫米 规模 SSOP14：塑料收缩小外形包装; 14导联;身体宽度5.3毫米 提供一站式配套， 解决物料烦恼，万联芯城销售IC电子元器件，芯片，电阻，电容， 二极管，三极管等多种类别，现货型号能够满足各种物料需求，客户 提交物料清单，商城即可整单报价，整单下单有优惠，万联芯城完善 的供应链提醒能够满足多种报价需求，为客户节省成本，点击进入万联芯城。
74HC14中文资料
74HC14中文资料74HC14的作用：六反相斯密特触发器真值表：Y=AInput输入 output输出 A Y L H H L图1 引脚功能极限参数：Supply Voltage 电源电压 7V Input Voltage输入电压 7V Operating Free Air Temperature Range自由空气温度范围 0℃ to +70℃ Storage Temperature Range储存温度范围 -65℃to +150℃Recommended Operating Conditions建议操作条件 Symbol 符号 Parameter 参数最小典型最大 UNIT 单位 VCC Supply Voltage 电源电压 4.75 5 5.25 V VT+ Positive-Going Input Threshold Voltage 正向输入阈值电压(Note 2) 1.4 1.6 1.9 V VT- Negative-Going Input Threshold Voltage 反向输入阈值电压(Note 2) 0.5 0.8 1 V HYS Input Hysteresis 输入滞后(Note 2) 0.4 0.8 - IOH HIGH Level Output Current高电平输出电流 - - -0.4 mA IOL LOW Level Output Current低电平输出电流 - - 8 mA TA Free Air Operating Temperature工作温度 0 - 70 ℃ Note 2: VCC = 5V.Electrical Characteristics 电气特性 over recommended operating free air temperature range (unless otherwise noted) Symbol 符号 Parameter 参数 Conditions 条件最小典型最大 UNIT 单位 VI Input Clamp Voltage输入钳位电压 VCC = 最小, II = -18mA - - -1.5 V VOH HIGH Level Output Voltage输出高电平电压 VCC=最小,IOH=最大 VIL=最大 2.7 3.4 - V VOL LOW Level 输出低电平电压 VCC = 最小, IOL = 最大 - 0.35 0.5 - - Output Voltage输出电压 VIH = 最小 - - - V VCC = 最小, IOL = 4mA 0.25 0.4 IT+ Input Current at Positive-Going Threshold 正向阈值输入电流 VCC = 5V, VI = VT+ - -0.14 - mA IT- Input Current at Negative-Going Threshold反向阈值输入电流 VCC = 5V, VI = VT- - -0.18 - mA II Input Current @ MAX Input Voltage输入电流@最大输入电压 VCC = 最大, VI =7V - - 0.1 mA IIH HIGH Level Input Current输入高电平电流 VCC = 最大, VI = 2.7V - - 20 μA IIL LOW Level Input Current输入低电平电流 VCC = 最大, VI = 0.4V - - -0.4 mA IOS Short Circuit Output Current短路输出电流 VCC = 最大 (Note 4) -20 - -100 mA ICCH Supply Current with Out puts HIGH高电平输出电源电流 VCC = 最大 - 8.6 16 mA ICCL Supply Current with Outputs LOW低电平输出电源电流 VCC = 最大 - 12 21 mA Note 3: VCC = 5V, TA = 25℃. Note 4: Not more than one output should be shorted at a time, and the duration should not exceed one second.Switching Characteristics开关特性 at VCC = 5V and TA = 25℃Switching Characteristics开关特性 at VCC = 5V and TA = 25℃ Symbol 符号Parameter 参数RL = 2kΩ UNIT 单位 CL = 15pF CL = 50pF 最小最大最小最大 tPLH Propagation Delay Time LOW-to-HIGH Level Output低到高电平输出传递延迟时间 5 22 8 25 ns tPHL Propagation Delay Time HIGH-to-LOW Level Output高到低电平输出传递延迟时间 5 22 10 33 ns应用电路：图2 光电藕合器接收整形电路图3 方波振荡器。
multisim74系列元件型号对照表
74155 2-LINE TO 4-LINE DECODER 译码器
74180 PARITY GENERATOR/CHECKER 奇偶发生检验
74191 4-BIT BINARY COUNTER UP/DOWN 计数器
74132 SCHMITT TRIGGER NAND GATES 触发器与非门
7414 SCHMITT TRIGGER INVERTERS 触发器反向器
74153 4-LINE TO 1 LINE SELECTOR 四选一
74155 2-LINE TO 4-LINE DECODER 译码器
74180 PARITY GENERATOR/CHECKER 偶发生检验
74191 4-BIT BINARY COUNTER UP/DOWN 计数器
7420 DUAL 4-INPUT NAND GATES 双四输入与非门
7426 QUAD 2-INPUT NAND GATES 与非门
74HC138 3-8 LINE DECODER 3线至8线译码器
74HC139 2-4 LINE DECODER 2线至4线译码器
74HC14 TRIGGERED HEX INVERTER 六触发反向器
74系列集成电路型号大全（转载）
7400 QUAD 2-INPUT NAND GATES 与非门
7401 QUAD 2-INPUT NAND GATES OC 与非门
7402 QUAD 2-INPUT NOR GATES 或非门
74HC08 2-INPUT AND GATES 双输入与门
74HC107 J-K FLIP-FLOP WITH CLEAR J-K触发器
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8. Limiting values
Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol VCC IIK IOK IO ICC IGND Tstg Ptot Parameter supply voltage input clamping current output clamping current output current supply current ground current storage temperature total power dissipation DIP14 package SO14, (T)SSOP14 and DHVQFN14 packages
Fig 5.
Pin configuration DHVQFN14
6.2 Pin description
Table 2. Symbol 1A to 6A 1Y to 6Y GND VCC Pin description Pin 1, 3, 5, 9, 11, 13 2, 4, 6, 8, 10, 12 7 14 Description data input 1 data output 1 ground (0 V) supply voltage
74HC_HCT14
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 6 — 19 September 2012
4. Ordering information
Table 1. Ordering information Package Temperature range 74HC14N 74HCT14N 74HC14D 74HCT14D 74HC14DB 74HCT14DB 74HC14PW 74HCT14PW 74HC14BQ 74HCT14BQ 40 C to +125 C DHVQFN14 40 C to +125 C TSSOP14 40 C to +125 C SSOP14 40 C to +125 C SO14 plastic small outline package; 14 leads; body width 3.9 mm plastic shrink small outline package; 14 leads; body width 5.3 mm plastic thin shrink small outline package; 14 leads; body width 4.4 mm SOT108-1 SOT337-1 SOT402-1 40 C to +125 C Name DIP14 Description plastic dual in-line package; 14 leads (300 mil) Version SOT27-1 Type number
plastic dual in-line compatible thermal enhanced very SOT762-1 thin quad flat package; no leads; 14 terminals; body 2.5 3 0.85 mm
5. Functional diagram
© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 6 — 19 September 2012
3 of 21
NXP Semiconductors
74HC14; 74HCT14
Hex inverting Schmitt trigger
2 of 21
NXP Semiconductors
74HC14; 74HCT14
Hex inverting Schmitt trigger
6. Pinning information
6.1 Pinning
terminal 1 index area 1Y 1A 1Y 2A 2Y 3A 3Y GND 1 2 3 4 5 6 7
7. Functional description
Table 3. Input nA L H
[1] H = HIGH voltage level; L = LOW voltage level.
Function table[1] Output nY H L
74HC_HCT14
All information provided in this document is subject to legal disclaimers.
74HC14; 74HCT14
Hex inverting Schmitt trigger
Rev. 6 — 19 September 2012 Product data sheet
1. General description
The 74HC14; 74HCT14 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard No. 7A. The 74HC14; 74HCT14 provides six inverting buffers with Schmitt-trigger action. It is capable of transforming slowly changing input signals into sharply defined, jitter-free output signals.
3. Applications
Wave and pulse shapers Astable multivibrators Monostable multivibrators
NXP Semiconductors
74HC14; 74HCT14
Hex inverting Schmitt trigger
Unit V mA mA mA mA mA C mW mW
The input and output voltage ratings may be exceeded if the input and output current ratings are observed. For DIP14 package: Ptot derates linearly with 12 mW/K above 70 C. For SO14 package: Ptot derates linearly with 8 mW/K above 70 C. For (T)SSOP14 packages: Ptot derates linearly with 5.5 mW/K above 60 C. For DHVQFN14 packages: Ptot derates linearly with 4.5 mW/K above 60 C.
(1) The die substrate is attached to this pad using conductive die attach material. It cannot be used as a supply pin or input.
Fig 4.
Pin configuration DIP14, SO14 and (T)SSOP14
2. Features and benefits
Low-power dissipation ESD protection: HBM JESD22-A114F exceeds 2000 V MM JESD22-A115-A exceeds 200 V Multiple package options Specified from 40 C to +85 C and from 40 C to +125 C
4 of 21
NXP Semiconductors
74HC14; 74HCT14
Hex inverting Schmitt trigger
10. Static characteristics
Table 6. Static characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Tamb = 25 C Min 74HC14 VOH HIGH-level output voltage VI = VT+ or VT IO = 20 A; VCC = 2.0 V IO = 20 A; VCC = 4.5 V IO = 20 A; VCC = 6.0 V IO = 4.0 mA; VCC = 4.5 V IO = 5.2 mA; VCC = 6.0 V VOL LOW-level output voltage VI = VT+ or VT IO = 20 A; VCC = 2.0 V IO = 20 A; VCC = 4.5 V IO = 20 A; VCC = 6.0 V IO = 4.0 mA; VCC = 4.5 V IO = 5.2 mA; VCC = 6.0 V II ICC CI 74HCT14 VOH HIGH-level output voltage VI = VT+ or VT; VCC = 4.5 V IO = 20 A IO = 4.0 mA VOL LOW-level output voltage VI = VT+ or VT; VCC = 4.5 V IO = 20 A; IO = 4.0 mA; II ICC ICC input leakage current supply current additional supply current VI = VCC or GND; VCC = 5.5 V VI = VCC or GND; IO = 0 A; VCC = 5.5 V per input pin; VI = VCC 2.1 V; other pins at VCC or GND; IO = 0 A; VCC = 4.5 V to 5.5 V 0 0.15 30 0.1 0.26 0.1 2.0 108 0.1 0.33 1.0 20 135 0.1 0.4 1.0 40 147 V V A A A 4.4 3.98 4.5 4.32 4.4 3.84 4.4 3.7 V V input leakage current supply current input capacitance VI = VCC or GND; VCC = 6.0 V VI = VCC or GND; IO = 0 A; VCC = 6.0 V 0 0 0 0.15 0.16 3.5 0.1 0.1 0.1 0.26 0.26 0.1 2.0 0.1 0.1 0.1 0.33 0.33 1.0 20 0.1 0.1 0.1 0.4 0.4 1.0 40 V V V V V A A pF 1.9 4.4 5.9 3.98 5.48 2.0 4.5 6.0 4.32 5.81 1.9 4.4 5.9 3.84 5.34 1.9 4.4 5.9 3.7 5.2 V V V V V Typ Max Tamb = 40 C to +85 C Min Max Tamb = 40 C to +125 C Min Max Unit