HC 中文资料

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HC164中文资料参数

HC164中文资料参数

74HC164中文资料参数SN54HC164,/SN74HC164是8位移位寄存器,当其中一个(或二个)选通串行输入端的低电平禁止进入新数据,并把第一个触发器在下一个时钟脉冲来后复位到低电平时,门控串行输入端(A 和B)可完全控制输入数据。

一个高电平输入后就使另一个输入端赋能,这个输入就决定了第一个触发器的状态。

虽然不管时钟处于高电平或低电平时,串行输入端的数据都可以被改变,但只有满足建立条件的信息才能被输入。

时钟控制发生在时钟输入由低电平到高电平的跃变上。

为了减小传输线效应,所有输入端均采用二极管钳位。

功能表:H=高电平(稳定态) L=低电平(稳定态)×=不定↑=从低电平转换到高电平QA0…QH0=在稳定态输入条件建立前QA…QH 的相应电平QAn…QHn=在最近的时钟输入条件(↑)建立前QA…QH 的相应电平,表示移位一位图1 逻辑图(正逻辑)图2 引脚图Absolute Maximum Ratings绝对最大额定值Supply voltage range, 电源电压范围 VCC– V to 7V Input clamp current, 输入钳位电流 IIK (VI < 0 or VI > VCC) (see Note 1)±20 mA Output clamp current,输出钳位电流 IOK (VO < 0 or VO > VCC) (see Note 1)±20 mADC SPECIFICATIONS直流电气规格表:DC SPECIFICATIONS直流电气规格(续)电平电压 V---6 V---IOL = 4mA V---IOL= 6 V---II 输入漏VI = VCC or 0 6 V-±±100-±1000-±1000nA 电流ICC 静态电VI = VCC or 0,IO = 0 6 V--8-160-80μA 源电流Ci 电容-2V to 6V-310-10-10pF图3 参数测量信息图4 typical clear, shift, and clear sequence典型清除、移位和清除时序应用电路:图5 LCD驱动电路图6 LED驱动电路图7 4位数码显示电路。

74HC74中文资料_数据手册_参数

74HC74中文资料_数据手册_参数
只售原 装现货库存,万联芯城在业内有三十年电子元器件配单经验,客 户遍布全国,物料供应链完善,元器件价格优势明显,原装质量 有保障,电子元器件一站式采购可为客户省去逐个查找环节, 只需提供BOM表,即可为您报价,万联芯城现货库存销售能 够满足多种客户的物料需求,一站式报价为客户节省采购成本, 点击进入万联芯城。
74HC74宽工作电压范围2 V 6 VD输出可以开车10 LSTTL LoadsD低功耗,40-µA马克斯ICCD典型信息= 15 nsD±4-mA输出驱动VD低输入电 流的5点1µA Maxdescription /订购informationThe HC74设备包含两个independentD-type positive-edge-triggered拖鞋。74HC74在预置(PRE)或 清除(CLR)输入设置或重置输出的低电平,而不考虑其他输入的电平。当PRE和CLR处于非活动状态(高)时,满足setuptime要求的数据 (D)输入处的数据被传输到时钟(CLK)脉冲正向边缘的输出端。时钟触发发生在电压水平,与CLK的上升时间没有直接关系。在保持时间 间隔之后,可以在不影响输出电平的情况下更改输入端的数据。订购包图纸,标准包装数量,74HC74热数据,符号,和PCB设计指南超 过“绝对最大额定值”下列出的应力可能对设备造成永久性损坏。这些只是应力等级,设备在这些或任何其他条件下的功能运行,超 出“推荐操作条件”的指示,是不受限制的。长时间暴露在绝对最大额定条件下可能会影响设备的可靠性。如果观察输入和输出电流额 定值,可能会超过输入和输出电压额定值。封装热阻抗按JESD 5计算环保(RoHS &没有某人/ Br): TI定义“绿色”意味着“Pb-Free”,此 外,使用包装材料,不含卤素,包括溴(Br)或锑(某人)总数的0.1%以上产品的重量。(3)实验室,峰值温度。湿度敏感性级别评级根据 JEDECindustry标准分类和soldertemperature峰值。重要信息和免责声明:本页所提供的信息代表德州仪器自提供之日起的知识和信念。TI 的知识和信念基于第三方提供的信息,对于这些信息的准确性不作任何陈述或保证。74HC74目前正在努力更好地整合来自第三方的信 息。TI已采取并将继续采取合理措施,提供具有代表性和准确的信息,但可能未对来料和化学品进行破坏性测试或化学分析。TI和TI供 应商认为某些信息是专有的,因此CAS号码和其他有限的信息可能无法发布。在任何情况下,TI因该等信息而产生的责任都不应超过 TIto客户在本文件中每年销售的TI部件的采购总价

74hc541中文资料

74hc541中文资料

74HC541 8路缓冲器/线路驱动器具备74HC240所有的功能,并且把输入引脚和输出引脚分布在封装的两边,这就极大方便了印刷电路板的布线。

1.74hc541中文资料
74HC541 8路缓冲器/线路驱动器具备74HC240所有的功能,并且把输入引脚和输出引脚分布在封装的两边,这就极大方便了印刷电路板的布线。

74HC541的三态输出由一个两输入或非门控制。

当任一个输出使能端(OE1或OE2)为高时,八个输出端将进入高阻态。

74HC541器件的输出为原码数据。

该7HC/HCT54是八进制非反相缓冲器/线路,具有三态输出的驱动器。

三态输出是由输出使能输入OE1和OE2控制。

OEN高导致输出呈现高电平。

阻抗呈关闭状态,“541”与“540”相同,但具有非反相输出。

2.74hc541引脚图及功能
SN74HC541能够完成两侧输入的封装和输引脚的排列与输出的功能,通俗的说,就是可以完成三态输出的八线路缓冲器和线路驱动器。

SN54HC541引脚配置和功能
OE1 :输出使能(低电平有效)两个OE必须为低电平才能使能输出
A1:通道1输入,A2 :通道2输入,A3:通道3输入,A4:通道4输入,A5:通道5输入,A6:通道6输入,A7:通道7输入,A8:通道8输入。

GND:【地】
Y8 :通道8输出,Y7 :通道7输出,Y6 :通道6输出,Y5 :通道5输出,Y4 :通道4输出,Y3 :通道3输出,Y2 :通道2输出,Y1 :通道1输出。

OE2 :输出使能(低电平有效)OE必须为低电平才能使能输出。

VCC :电源引脚。

74HC08中文资料_数据手册_参数

74HC08中文资料_数据手册_参数

万联芯城-电子元器件采购网,提供一站式配套 ,解决物料烦恼,万联芯城-以良心做好良芯,专为终端工厂企业客 户提供电子元器件一站式配套报价服务,客户提交物料清单,商城即 可整单报价,整单下单有优惠,整单采购可节省成本,万联芯城完 善的产品供应链体系可以应对多种不同物料需求的报价, 点击进入万联芯城。
Quad 2输入和gate74HC08;74HCT08FEATURES•符合JEDEC标准no。 ESD保护:HBM EIA/ jesd22 - a114a超过2000 VMM EIA/JESD22A115-A超过200 V。•指定从- 40到+85℃和- 40到+125℃。描述:74HC/HCT08是高速硅栅CMOS器件,与低功耗肖特基晶体管(LSTTL)兼 容。它们是按照JEDECstandard no.指定的。7个。74HC/HCT08提供2-inputAND功能。快速参考数据agnd = 0 V;Tamb = 25°C;tr =tf = 6 ns.Notes1。CPD用于确定动态功耗µW (PD)。PD = CPD×VCC2×fi×N +Σ(CL×VCC2×fo)地点:fi =输入频率MHz; fo MHz =输出频 率;CL =输出负载电容在pF; VCC =供应电压伏;N =总负载切换输出;Σ(CL×VCC2×fo) = outputs.2之和。对于74HC08:条件是VI = GND 到VCC。对于74HCT08:条件是VI = GND到VCC - 1.5 V。TABLENote1函数。H =高压电平;L =低压电平Quad 2输入和 gate74HC08;74HCT08FEATURES•符合JEDEC标准no。 ESD保护:HBM EIA/ jesd22 - a114a超过2000 VMM EIA/JESD22-A115-A超过200 V。•指定从- 40到+85℃和- 40到+125℃。描述:74HC/HCT08是高速硅栅CMOS器件,与低功耗肖特基晶体管(LSTTL)兼容。它们是按照 JEDECstandard no.指定的。7个。74HC/HCT08提供2-inputAND功能。快速参考数据agnd = 0 V;Tamb = 25°C;tr =tf = 6 ns.Notes1。CPD用 于确定动态功耗µW (PD)。PD = CPD×VCC2×fi×N +Σ(CL×VCC2×fo)地点:fi =输入频率MHz; fo MHz =输出频率;CL =输出负载电容 在pF; VCC =供应电压伏;N =总负载切换输出;Σ(CL×VCC2×fo) = outputs.2之和。对于74HC08:条件是VI = GND到VCC。对于 74HCT08:条件是VI = GND到VCC - 1.5 V。TABLENote1函数。H =高压电平;L =低压电平。

HC125中文资料

HC125中文资料

74VHC125QUAD BUS BUFFERS (3-STATE)PRELIMINARY DATAJune 1999PIN CONNECTION AND IEC LOGIC SYMBOLSs HIGH SPEED:t PD =3.8ns (TYP.)at V CC =5V sLOW POWER DISSIPATION:I CC =4µA (MAX.)at T A =25o C sHIGH NOISE IMMUNITY:V NIH =V NIL =28%V CC (MIN.)s POWER DOWN PROTECTION ON INPUTS sSYMMETRICAL OUTPUT IMPEDANCE:|I OH |=I OL =8mA (MIN)sBALANCED PROPAGATION DELAYS:t PLH ≅t PHLsOPERATING VOLTAGERANGE:V CC (OPR)=2V to 5.5VsPIN AND FUNCTION COMPATIBLE WITH 74SERIES 125s IMPROVED LATCH-UP IMMUNITY sLOW NOISE:V OLP =0.8V(Max.)DESCRIPTIONThe 74VHC125is an advanced high-speed CMOS QUAD BUS BUFFERS fabricated with sub-micron silicon gate and double-layer metal wiring C 2MOS technology.This device requires the 3-STATE control input Gto be set high to place the output into the high impedance state.Power down protection is provided on all inputs and 0to 7V can be accepted on inputs with no regard to the supply voltage.This device can be used to interface 5V to 3V.All inputs and outputs are equipped with protection circuits against static discharge,giving them 2kV ESD immunity and transient excess voltage.ORDER CODES :74VHC125M 74VHC125TM(Micro Package)T(TSSOP Package)®1/8TRUTH TABLEA G Y X H Z L L L HLHX:”H”or ”L”Z:High ImpedancePIN DESCRIPTIONPIN No SYMBOL NAME AND FUNCTION 1,4,10,131G to 4G Output Enable Inputs 2,5,9,121A to 4A Data Inputs 3,6,8,111Y to 4Y Data Outputs 7GND Ground (0V)14V CCPositive Supply VoltageABSOLUTE MAXIMUM RATINGSSymbol ParameterValue Unit V CC Supply Voltage -0.5to +7.0V V I DC Input Voltage -0.5to +7.0V V O DC Output Voltage -0.5to V CC +0.5V I IK DC Input Diode Current -20mA I OK DC Output Diode Current ±20mA I O DC Output Current ±25mA I CC or I GND DC V CC or Ground Current±50mAT stg Storage Temperature -65to +150o C T LLead Temperature (10sec)300oCAbsolute Maximum Ratingsarethose values beyond which dam age to the device may occur.Functional operation un der these condition is not implied.RECOMMENDED OPERATING CONDITIONSSymbol ParameterValue Unit V CC Supply Voltage 2.0to 5.5V V I Input Voltage 0to 5.5V V O Output Voltage 0to V CC VT op Operating Temperature-40to +85oCdt/dvInput Rise and Fall Time (see note 1)(V CC =3.3±0.3V)(V CC =5.0±0.5V)0to 1000to 20ns/V ns/V1)V IN from 30%to70%of V CCINPUT EQUIVALENT CIRCUIT74VHC1252/8DC SPECIFICATIONSSymbolParameterTest Conditions ValueUnitV CC (V)T A =25oC -40to 85oC Min.Typ.Max.Min.Max.V IH High Level Input Voltage 2.0 1.5 1.5V 3.0to 5.50.7V CC0.7V CCV IL Low Level Input Voltage2.00.50.5V3.0to 5.50.3V CC0.3V CC V OHHigh Level Output Voltage2.0I O =-50µA 1.9 2.0 1.9V3.0I O =-50µA 2.9 3.0 2.94.5I O =-50µA 4.4 4.54.43.0I O =-4mA 2.58 2.484.5I O =-8mA 3.943.8V OLLow Level Output Voltage2.0I O =50µA 0.00.10.1V3.0I O =50µA 0.00.10.14.5I O =50µA 0.00.10.13.0I O =4mA 0.360.444.5I O =8mA 0.360.44I OZHigh Impedance Output Leakage Current5.5V I =V IH or V IL V O =V CC or GND ±0.25±2.5µAI I Input Leakage Current 0to 5.5V I =5.5V or GND ±0.1±1.0µA I CCQuiescent Supply Current5.5V I =V CC or GND440µAAC ELECTRICAL CHARACTERISTICS (Input t r =t f =3ns)SymbolParameterTest Condition ValueUnitV CC (V)C L (pF)T A =25oC-40to 85oCMin.Typ.Max.Min.Max.t PLH t PHL Propagation Delay Time3.3(*)15 5.68.01.09.5ns3.3(*)508.111.5 1.013.05.0(**)15 3.8 5.5 1.0 6.55.0(**)50 5.37.5 1.08.5t PLZ t PHZOutput Disable Time3.3(*)15R L =1K Ω 5.48.0 1.09.5ns3.3(*)50R L =1K Ω7.911.5 1.013.05.0(**)15R L =1K Ω 3.6 5.1 1.0 6.05.0(**)50R L =1K Ω 5.17.1 1.08.0t PZL t PZHOutput Enable Time3.3(*)50R L =1K Ω9.513.2 1.015.0ns5.0(**)50R L =1K Ω6.18.81.010.0(*)Voltag e range is 3.3V ±0.3V (**)Voltage range is 5V ±0.5V74VHC1253/8CAPACITIVE CHARACTERISTICSSymbolParameterTest ConditionsValueUnitT A =25oC -40to 85oC Min.Typ.Max.Min.Max.C IN Input Capacitance 41010pF C OUT Output Capacitance 6pF C PDPower Dissipation Capacitance (note 1)14pF1)C PD isdefined as the value of the IC’sinternal equiva lent capacitance which is calculated fromthe operating current consumption without load.(Referto Test Circuit).Average operting curren t can be obtained bythe followingequa tion.I CC (opr)=C PD •V CC •f IN +I CC /4(per circuit)TEST CIRCUITTESTSWITCH t PLH ,t PHL Open t PZL ,t PLZ V CC t PZH ,t PHZGNDC L =15/50pF or equ ivalent (includes jigand probe capacitance)R L =R 1=1K ΩorequivalentR T =Z OU T of pulse generator (typ ically 50Ω)DYNAMIC SWITCHING CHARACTERISTICSSymbolParameterTest Conditions ValueUnitV CC (V)T A =25oC -40to 85oC Min.Typ.Max.Min.Max.V OLP Dynamic Low Voltage Quiet Output (note 1,2) 5.0C L =50pF0.30.8VV OLV -0.8-0.3V IHD Dynamic High Voltage Input (note 1,3) 5.0 3.5V ILDDynamic Low Voltage Input (note 1,3)5.01.51)Worst case package.2)Max num ber of outputs defined as (n).Data inputs aredriven 0V to 5.0V,(n -1)outputs switching and one out put at GND.3)Max num ber of data inputs (n)switching.(n-1)switching 0V to5.0V.Inputs under test switching:5.0V to threshold (V ILD ),0V to threshold (V IHD ),f=1MHz.74VHC1254/874VHC125 WAVEFORM1:PROPAGATION DELAYS(f=1MHz;50%duty cycle)WAVEFORM2:OUTPUT ENABLE AND DISABLE TIME(f=1MHz;50%duty cycle)5/8DIM.mm inch MIN.TYP.MAX.MIN.TYP.MAX.A 1.750.068a10.10.20.0030.007a2 1.650.064b 0.350.460.0130.018b10.190.250.0070.010C 0.50.019c145(typ.)D 8.558.750.3360.344E 5.86.20.2280.244e 1.270.050e37.620.300F 3.8 4.00.1490.157G 4.6 5.30.1810.208L 0.5 1.270.0190.050M 0.680.026S8(max.)P013GSO-14MECHANICAL DATA74VHC1256/8DIM.mminch MIN.TYP.MAX.MIN.TYP.MAX.A 1.10.433A10.050.100.150.0020.0040.006A20.850.90.950.3350.3540.374b 0.190.300.00750.0118c 0.090.200.00350.0079D 4.95 5.10.1930.1970.201E 6.25 6.4 6.50.2460.2520.256E1 4.34.4 4.480.1690.1730.176e 0.65BSC0.0256BSCK 0o 4o 8o 0o 4o 8o L0.500.600.700.0200.0240.028cEbA2AE1D1PIN 1IDENTIFICATIONA1LKeTSSOP14MECHANICAL DATA74VHC1257/874VHC125Information furnished is believed to be accurate and reliable.However,STMicroelectronics assumes no responsibility for the consequence s 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 granted by implication or otherwise under any patent or patent rights of STMicroelectronics.Specification mentioned in this publication are subject to change without notice.This publication supersedes and replaces all information previously supplied.STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.The ST logo is a trademark of STMicroelectronics©1999STMicroelectronics–Printed in Italy–All Rights ReservedSTMicroelectronics GROUP OF COMPANIESAustralia-Brazil-Canada-China-France-Germany-Italy-Japan-Korea-Malaysia-Malta-Mexico-Morocco-The Netherlands-Singapore-Spain-Sweden-Switzerland-Taiwan-Thailand-United Kingdom-U.S.A..8/8。

HC-49-U-48MHz中文资料

HC-49-U-48MHz中文资料

Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@ Internet: FREQUENCY RANGE100.00 KHz TO 300.00 MHz HOLDER TYPESA: HC-49/U1.00 MHz TO 300.00 MHz B: HC-51/U 100.00 KHz TO 4.00 MHz C: UM-18.00 MHz TO 300.00 MHz FREQUENCY TOLERANCE AT 25 °C±30 PPM TYPICAL ±50 PPM MAXIMUM FREQUENCY STABILITY OVER TEMPERATURE±50 PPM TYPICAL ±100 PPM MAXIMUM OPERATING TEMPERATURE RANGE-20 °C TO +70 °C STANDARD-40° C TO +85 °C EXTENDEDSTORAGE TEMPERATURE RANGE -55 °C TO +125 °CAGING±5 PPM PER YEAR MAXIMUM LOAD CAPACITANCE 10 TO 32 pF 0R SERIESSHUNT CAPACITANCE7 pF MAXIMUM EQUIVALENT SERIES RESISTANCE (ESR)SEE PAGE 11DRIVE LEVEL 0.1 mW TYPICAL1 mW MAXIMUMSHOCK RESISTANCE±5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD SURFACE OR 1000 g’s x 0.5 ms x ‰ SINEWAVE IN 3 AXESHOLDER TYPE FUNDAMENTAL(FUND)THIRD OVERTONE(3OT)FIFTH OVERTONE(5OT)SEVENTH OVERTONE(7OT)NINTH OVERTONE(9OT)TYPE A: HC-49/U 1.00 MHz TO 65.00 MHz 20.00 MHz TO 90.00 MHz60.00 MHz TO 130.00 MHz 125.00 MHz TO 200.00 MHz 180.00 MHz TO 300.00 MHzTYPE B: HC-51/U 100.00 KHz TO 4.00 MHz TYPE C: UM-18.00 MHz TO 65.00 MHz25.00 MHz TO 90.00 MHz60.00 MHz TO 130.00 MHz 125.00 MHz TO 200.00 MHz 180.00 MHz TO 300.00 MHzHC-49/U, HC-51/U, AND UM-1EXAMPLE: A-4.000-SA-3.579545-18-EXT-3PIN-SP-SL-TR C-65.000-S-30TFEA TURESSPECIFICATIONSFREQUENCY RANGE AND MODE OF OSCILLATION BY HOLDER TYPEPART NUMBERING SYSTEMEXCELLENT CLOCK SIGNAL GENERATOR FOR CPU ’s WIDE FREQUENCY RANGEINDUSTRY STANDARD PACKAGES HOLDER TYPE-FREQUENCY-LOAD CAPACITANCE-MODE-EXTENDED TEMPERATUREA B C HC-49/U HC-51/U UM-1IN MHz 10 TO 32pF FOR PARALLELS FOR SERIESFUND 3OT 5OT 7OT 9OTFUNDAMENTAL THIRD OVERTONE FIFTH OVERTONE SEVENTH OVERTONE NINTH OVERTONEEXT MECHANICAL OPTIONS-TAPE AND REELTHREE PIN BASE-THIRD LEAD (TOP OF HOUSING)-SPACER -SLEEVE T R3PIN3RDSPSL† FUNDAMENTAL MODE NOT NEEDED IN PART NUMBERTel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@ Internet: M A XM A XRaltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@ Internet: CARRIER TAPE DIMENSIONS EQUIVALENT SERIES RESISTANCE VERSUS FREQUENCY AND PACKAGEPACKAGING370 mm REEL DIAMETER, 18 mm TAPE WIDTH, 12.7 mm PITCH, QUANTITY 1000 PIECES PER REEL元器件交易网。

74HC02中文资料_数据手册_参数

74HC02中文资料_数据手册_参数

INPUT nA, nB
UNIT LOADCOEFFICIENT 1.50
AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr = tf = 6 ns; CL = 50 pF
SYMBOL PARAMETER
tPHL/ tPLH tTHL/ tTLH
min.
propagation delay nA, nB to nY
output transition time
Tamb (°C)
74HCT
+25
−40 to+85
typ. max. min. max.
11 19
24
7 15
19
−40 to+125 min. max.
29 22
UNIT
ns ns
TEST CONDITIONS
VCC WAVEFORMS (V)
4.5 Fig.6 4.5 Fig.6
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard ICC category: SSI
AC CHARACTERISTICS FOR 74HC GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Quad 2-input NOR gate
Product specification
74HC/HCT02
DC CHARACTERISTICS FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: standard ICC category: SSI

74hc17-54HC17中文资料pdf

74hc17-54HC17中文资料pdf

5
r5.25
V
54
0.8
a 15 - 30
V V mA
74

40
静态特性(TA 为工作环境温度范围)

参数
p 测 试 条 件【1】
f VIK输入嵌位电压
IO(OII最大输入电压时输入电流
IIH输入高电平电流
w IIL输入低电平电流 w ICCH输出高电平时电源电流
m.c
逻辑图











双列直插封装
极限值 电源电压 …………………………………………. 7V 输入电压 …………………………………………. 5.5V 输出截止态电压……………………………………. 15V 工作环境温度 5417 ……………………………………………. -55~125℃ 7417………… …………………………………. 0~70℃ 存储温度 …………………………………………. -65~150℃
海纳电子资讯网www.fpga-arm.com为您提供各种IC的应用资料
5417/7417
六高压输出缓冲器/驱动器(OC,15V)
简要说明 54/7417 为集电极开路输出的六组驱动器,其主要电特性的典型值如下:
tPLH
6ns
tphl
20ns
PD
125mW
om
引出端符号 1A-6A 1Y-6Y
输入端 输出端
ICCL输出低电平时电源电流
Vcc=最大
30
mA
[1]: 测试条件中的“最小”和“最大”用推荐工作条件中的相应值。
动态特性(TA=25℃)
参数
tPLH输出由低到高传输延迟时间 tPHL输出由高到低传输延迟时间

HC4094资料

HC4094资料
元器件交易网
SL74Байду номын сангаасC4094
8-Bit Serial-Input Shift Register With Latched 3-State Outputs
High-Performance Silicon-Gate CMOS
The SL74HC4094 is identical in pinout to the LS/ALS4094. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. This device consists of an 8-bit shift register and 8-bit D-type latch with three-state parallel outputs. Data is shifted serially through the shift register on the positive going transition of the clock input signal. The output of the last stage SQH can be used to cascade several devices. Data on the SQH output is transferred to a second output (SQH’) on the following negative transition of the clock input signal. The data of each stage of the shift register is provided with a latch, which latches data on the negative going transition of the Strobe input signal. When the Strobe input is held high, data propagates through the latch to a 3state output buffer. This buffer is enabled when Output Enable input is taken high. • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 2.0 to 6.0 V • Low Input Current: 1.0 µA • High Noise Immunity Characteristic of CMOS Devices

HC49-4H中文资料

HC49-4H中文资料
Fundamental AT cut
120Ω
Fundamental AT cut
70Ω
Fundamental
AT cut
50Ω
Fundamental
AT cut
40Ω
Fundamental
AT cut
50Ω
Fundamental
BT cut
100Ω
3rd Overtone AT cut
Outline in mm - Tape
–20 to 70°C
±20ppm
±100ppm
–30 to 80°C
±25ppm
Note. For any other frequencies / specification please contact our sales office.
±100ppm
ESR max.
200Ω
Vibration Mode
I Lower profiles available, please contact our sales office
General Specifications I Load Capacitance (CL): 10pF to 75pF or Series I Drive Level: 0.5mW max I Static Capacitance (C0): 9pF max I Ageing: ±3ppm typical per year
±20ppm
±100ppm
–20 to 70°C
±20ppm
±100ppm
–30 to 80°C
±25ppm
±100ppm
8.0 to < 12.0MHz
±10ppm to ±100ppm

HC164中文资料参数

HC164中文资料参数

HC164中文资料参数1.高度集成:HC164采用先进的CMOS工艺和封装技术,将多种功能模块集成在单片芯片中,提供了更高的性能和更小的尺寸。

2.高速处理:HC164采用高性能的处理器和优化的指令集,能够实现高速数据处理和运算,满足实时性要求。

3.低功耗:HC164采用低功耗设计,通过优化电路结构和功耗控制策略,实现了较低的功耗,延长了电池寿命。

4.多种接口:HC164提供了丰富的接口,包括UART、SPI、I2C等,方便与其他设备进行通信和数据交换。

5.多种存储器:HC164内部集成了多种存储器,包括闪存、RAM等,可以方便地存储和加载数据,提供更大的存储空间。

1.通讯功能:HC164内部集成了通讯模块,可以支持多种通讯协议,包括RS232、RS485等,实现与外部设备的数据传输和通讯。

2.图像处理功能:HC164内部集成了图像处理模块,可以实现图像的采集、处理和显示等功能,广泛应用于监控、图像识别等领域。

3.音视频编码功能:HC164内部集成了音视频编码模块,可以实现音视频数据的编码和解码,支持多种编码格式,包括H.264、H.265等。

4.数据处理功能:HC164内部集成了强大的数据处理引擎,能够实现各种数据处理算法,包括排序、滤波、运算等,满足不同应用的需求。

1.智能终端:HC164可以应用于智能手机、平板电脑、智能手表等智能终端设备,提供高性能的数据处理能力和丰富的通讯功能。

2.无线通信:HC164可以应用于无线通信设备,包括无线路由器、无线电等,提供稳定的通讯连接和高速的数据传输。

3.摄像头:HC164可以应用于摄像头设备,提供高清图像采集和处理功能,广泛应用于监控、摄影等领域。

综上所述,HC164是一种高度集成的数字折叠芯片,具有高性能、低功耗和多种接口的特点,具备通讯、图像处理、音视频编码等功能,广泛应用于智能终端、无线通信、摄像头和医疗设备等领域。

HC595完整中文资料

HC595完整中文资料

74HC595芯片是一种串入并出的芯片,在电子显示屏制作当中有广泛的应用。

74HC595是8位串行输入/输出或者并行输出移位寄存器,具有高阻、关、断状态。

三态。

特点 8位串行输入 8位串行或并行输出存储状态寄存器,三种状态输出寄存器可以直接清除 100MHz的移位频率输出能力并行输出,总线驱动串行输出;标准中等规模集成电路应用串行到并行的数据转换 Remote contr ol holding register. 描述 595是告诉的硅结构的CMOS器件,兼容低电压TTL电路,遵守JEDEC标准。

595是具有8位移位寄存器和一个存储器,三态输出功能。

移位寄存器和存储器是分别的时钟。

数据在SCHcp的上升沿输入,在STcp 的上升沿进入的存储寄存器中去。

如果两个时钟连在一起,则移位寄存器总是比存储寄存器早一个脉冲。

移位寄存器有一个串行移位输入(Ds),和一个串行输出(Q7’),和一个异步的低电平复位,存储寄存器有一个并行8位的,具备三态的总线输出,当使能OE时(为低电平),存储寄存器的数据输出到总线。

CPD决定动态的能耗, PD=CPD×VCC×f1+∑(CL×VCC2×f0) F1=输入频率,CL=输出电容 f0=输出频率(MHz) Vcc=电源电压引脚说明符号引脚描述内部结构结合引脚说明就能很快理解 595的工作情况引脚功能表:真值表:的驱动电流(25mA)比74595(35mA)的要小,14脚封装,体积也小一些。

2)74595的主要优点是具有数据存储寄存器,在移位的过程中,输出端的数据可以保持不变。

这在串行速度慢的场合很有用处,数码管没有闪烁感。

与164只有数据清零端相比,595还多有输出端时能/禁止控制端,可以使输出为高阻态。

3)595是串入并出带有锁存功能移位寄存器,它的使用方法很简单,在正常使用时SCLR为高电平, G为低电平。

从SER每输入一位数据,串行输595是串入并出带有锁存功能移位寄存器,它的使用方法很简单,如下面的真值表,在正常使用时SCLR为高电平, G为低电平。

HC74HC444中文资料

HC74HC444中文资料

HD74HC442/HD74HC443/HC74HC444Quad. Tridirectional Bus Transceiver(with noninverted 3-state outputs)Quad. Tridirectional Bus Transceiver(with inverted 3-state outputs)Quad Tridirectional Bus Transceiver(with noninverted/inverted 3-state outputs)DescriptionThese bus transceivers are designed for a synchronous three-way communication between four-line data buses. They give the designer a choice of selecting inverting, noninverting or a combination of inverting and noninverting data paths with 3-state outputs.The S0 and S1inputs select the bus from which data are to be transferred. The G inputs enable the bus orbuses to which data are to be transferred. The port for any bus selected for input and any other bus not enabled for output will be at high impedance.Features• High Speed Operation• High Output Current: Fanout of 15 LSTTL Loads• Wide Operating Voltage: V CC = 2 to 6 V• Low Input Current: 1 µA max• Low Quiescent Supply Current: I CC (static) = 4 µA max (Ta = 25°C)HD74HC442/HD74HC443HD74HC4442Function TableInputs Transfers Between Buses CS S 1S 0G A G B G C HD74HC442HD74HC443HD74HC444H X X X X X None None None X H H X X X None None None X X X H H H None None None X L L X H H None None None X L H H X H None None None X H L H H X NoneNoneNoneL L L X L L A → B, A → C A → B, A → C A → B, A → C L L H L X L B → C, B → A B → C, B →A B→ C, B → A L H L L L X C → A, C → B C → A, C → BC → A, C → BL L L X L H A → B A → B A → BL L H H X L B → C B → C B → CL H L L H X C → A C → AC → AL L L X H L A → C A → C A → C L L H L X H B → A B → A B → ALHLHLXC → BC → B C→ BHD74HC442/HD74HC443/HD74HC4443Pin ArrangementAbsolute Maximum RatingsItemSymbol Rating Unit Supply voltage range V CC –0.5 to +7.0V Input voltage V IN –0.5 to V CC + 0.5V Output voltage V OUT –0.5 to V CC + 0.5V Output currentI OUT ±35mA DC current drain per V CC GND I CC , I GND ±75mA DC input diode current I IK ±20mA DC output diode current I OK ±20mA Power Dissipation per package P T 500mW Storage temperatureTstg–65 to +150°CHD74HC442/HD74HC443HD74HC444 Logic DiagramHD74HC4424HD74HC442/HD74HC443/HD74HC444 HD74HC4435HD74HC442/HD74HC443HD74HC444 HD74HC4446HD74HC442/HD74HC443/HD74HC4447DC CharacteristicsTa = 25°CTa = –40 to +85°CItem Symbol V CC (V)Min Typ Max MinMax Unit Test ConditionsInput voltageV IH2.0 1.5—— 1.5—V4.5 3.15—— 3.15—6.04.2—— 4.2—V IL2.0——0.5—0.5V 4.5—— 1.35—1.356.0——1.8— 1.8Output voltageV OH2.0 1.9 2.0— 1.9—VVin = V IH or V IL I OH = –20 µA4.5 4.4 4.5— 4.4—6.05.96.0— 5.9—4.5 4.18—— 4.13—I OH = –6 mA 6.05.68——5.63—I OH = –7.8 mAV OL2.0—0.00.1—0.1VVin = V IH or V IL I OL = 20 µA4.5—0.00.1—0.16.0—0.00.1—0.14.5——0.26—0.33I OL = 6 mA 6.0——0.26—0.33I OL = 7.8 mAOff-state output current I OZ 6.0——±0.5—±5.0µA Vin = V IH or V IL ,Vout = V CC or GND Input current Iin 6.0——±0.1—±1.0µA Vin = V CC or GNDQuiescent supply currentI CC6.0——4.0—40µAVin = V CC or GND, Iout = 0 µAHD74HC442/HD74HC443HD74HC4448AC Characteristics (C L = 50 pF, Input t r = t f = 6 ns)Ta = 25°CTa = –40 to +85°CItem Symbol V CC (V)Min Typ Max MinMax Unit Test ConditionsPropagation delay t PLH2.0——200—250nstimet PHL 4.5——40—506.0——34—43Output enable t ZH 2.0——150—190ns timet ZL 4.5——30—386.0——26—33Output disable t HZ 2.0——150—190ns timet LZ 4.5——30—386.0——26—33Output rise/fall t TLH 2.0——60—75ns timet THL 4.5——12—156.0——10—13Input capacitanceCin——510—10pFHitachi Code JEDEC EIAJWeight (reference value)DP-20N —Conforms 1.26 gUnit: mm元器件交易网Unit: mm 元器件交易网Unit: mmCautions1.Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent,copyright, trademark, or other intellectual property rights for information contained in this document.Hitachi bears no responsibility for problems that may arise with third party’s rights, includingintellectual property rights, in connection with use of the information contained in this document.2.Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use.3.Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,contact Hitachi’s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,traffic, safety equipment or medical equipment for life support.4.Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installationconditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-safes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product.5.This product is not designed to be radiation resistant.6.No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi.7.Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor products.Hitachi, Ltd.Semiconductor & Integrated Circuits.Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109Copyright ' Hitachi, Ltd., 1999. All rights reserved. Printed in Japan.Hitachi Asia Pte. Ltd.16 Collyer Quay #20-00Hitachi TowerSingapore 049318Tel: 535-2100Fax: 535-1533URLNorthAmerica : http:/Europe : /hel/ecg Asia (Singapore): .sg/grp3/sicd/index.htm Asia (Taiwan): /E/Product/SICD_Frame.htm Asia (HongKong): /eng/bo/grp3/index.htm Japan : http://www.hitachi.co.jp/Sicd/indx.htmHitachi Asia Ltd.Taipei Branch Office3F, Hung Kuo Building. No.167, Tun-Hwa North Road, Taipei (105)Tel: <886> (2) 2718-3666Fax: <886> (2) 2718-8180Hitachi Asia (Hong Kong) Ltd.Group III (Electronic Components)7/F., North Tower, World Finance Centre,Harbour City, Canton Road, Tsim Sha Tsui,Kowloon, Hong Kong Tel: <852> (2) 735 9218Fax: <852> (2) 730 0281 Telex: 40815 HITEC HXHitachi Europe Ltd.Electronic Components Group.Whitebrook ParkLower Cookham Road MaidenheadBerkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000Fax: <44> (1628) 778322Hitachi Europe GmbHElectronic components Group Dornacher Stra§e 3D-85622 Feldkirchen, Munich GermanyTel: <49> (89) 9 9180-0Fax: <49> (89) 9 29 30 00Hitachi Semiconductor (America) Inc.179 East Tasman Drive,San Jose,CA 95134 Tel: <1> (408) 433-1990Fax: <1>(408) 433-0223For further information write to:。

74HC05中文资料pdf

74HC05中文资料pdf
海纳电子资讯网www.fpga-arm.com为您提供各种IC的应用资料
54/7407
六高压输出缓冲器/驱动器(OC,30V)
简要说明 54/7407 为集电极开路输出的六组驱动器,其主要电特性的典型值如下:
tPLH
6ns
tphl
20ns
PD
125mW
om
引出端符号 1A-6A 1Y-6Y
输入端 输出端
m.c
逻辑图











双列直插封装
极限值 电源电压 …………………………………………. 7V 输入电压 …………………………………………. 5.5V 输出截止态电压……………………………………. 30V 工作环境温度 5407 ……………………………………………. -55~125℃ 7407………… …………………………………. 0~70℃ 存储温度 …………………………………………. -65ww.fpga-arm.com为您提供各种IC的应用资料

推荐工作条件:
5407/7407
o c 单位
电源电压 VCC
输入高电平电压ViH 输入低电平电压ViL 输出截止态电压 VO(OFF) 输出低电平电流IOL
54 74
最小 4.5 4.75
额定 5 5
最大
. 5.5
V
m 5.25
2
r0.8
V V
a 30
V
54 74
- 30 40
mA
a 静态特性(TA 为工作环境温度范围)
g 参 数
测 试 条 件【1】
‘07 单位
p VIK输入嵌位电压 f IO(OFF)输出截止态电流

74HC14中文资料_数据手册_参数

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。

74hc03中文资料手册pdf

74hc03中文资料手册pdf

www.fpga-arm.com54/7403四2输入与非门(OC )简要说明03为集电集开路输出的四组2输入端与非门(正逻辑),共有54/7403、54/74S03、54/74LS03三种线路结构型式,其主要电特性的典型值如下:型号t PLHt phlP D54/7403 35ns 8ns 40mW 54/74S03 5ns 4.5ns 65mW 54/74LS03 17ns 15ns 8mW引出端符号1A -4A 输入端 1B -4B 输入端 1Y -4Y 输出端逻辑图双列直插封装极限值电源电压 …………………………………………. 7V 输入电压54/7403、54/74S03………………………………. 5.5V 54/74LS03 ………………………………………. 7V A -B 间电压54/7403、54/74S03………………………………. 5.5V 输出截止态电压……………………………………. 7V 工作环境温度rm.com54XXX ……………………………………………. -55~125℃ 74XXX………… ……………………………… 0~70℃ 存储温度 …………………………………………. -65~150℃功能表:[1]: 测试条件中的“最小”和“最大”用推荐工作条件中的相应值。

动态特性(T A =25℃)‘03 ‘S03 ‘LS03 参 数测 试 条 件最大最大 最大单位www.fpga-arm.comt PLH 输出由低到高传输延迟时间 45 7.5 32 ns t PHL 输出由高到低传输延迟时间Vcc =5V ,C L =15Pf,R L =400Ω(‘S03为280Ω,‘LS03为2K Ω)15 7 28 ns。

74HC123中文资料_数据手册_参数

74HC123中文资料_数据手册_参数
The 74HC123; 74HCT123 are dual retriggerable monostable multivibrators with output pulse width control by three methods:
1. The basic pulse is programmed by selection of an external resistor (REXT) and capacitor (CEXT).
Version SOT109-1 SOT338-1 SOT403-1 SOT763-1
4. Functional diagram
$ % 5'
$ % 5'
Fig 1. Functional diagram
6 4
7 4
5'
6 4
7 4
5'
&(;7 5(;7&(;7 4
2. Once triggered, the basic output pulse width may be extended by retriggering the gated active LOW-going edge input (nA) or the active HIGH-going edge input (nB). By repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) can be made as long as desired. Alternatively an output delay can be terminated at any time by a LOW-going edge on input nRD, which also inhibits the triggering.

74HC16-54HC16中文资料pdf

74HC16-54HC16中文资料pdf

-1.5
V
250
uA
0.4
V
II最大输入电压时输入电流 IIH输入高电平电流 IIL输入低电平电流
Vcc=最大,VI=5.5V
. Vcc=最大,VIH=2.4V wVcc=最大,VIL=0.4V
1
mA
40
uA
-1.6
mA
ICCH输出高电平时电源电流
ww ICCL输出低电平时电源电流
Vcc=最大 Vcc=最大
输入端 输出端
m.c
逻辑图











双列直插封装
极限值 电源电压 …………………………………………. 7V 输入电压 …………………………………………. 5.5V 输出截止态电压……………………………………. 15V 工作环境温度 5416 ……………………………………………. -55~125℃ 7416………… …………………………………. 0~70℃ 存储温度 …………………………………………. -65~150℃
功能表:
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推荐工作条件:
5416/7416
最小
额定
最大
单位co
电பைடு நூலகம்电压 VCC
54 74
4.5 4.75
5 5
5.5 5.25
.V
输入高电平电压ViH 输入低电平电压ViL 输出截止态电压 VO(OFF)
2
V
m 0.8
V
r15
48
mA
51
mA
[1]: 测试条件中的“最小”和“最大”用推荐工作条件中的相应值。

74HC0454HC04中文资料pdf

74HC0454HC04中文资料pdf
-400 16 16
2 0.8 0.8
-500 20 20
2 0.8 0.8
-1000 20 20
V 0.7 0.8 V -400 µA 4 8 mA
静态特性(TA 为工作环境温度范围)
参数
测 试 条 件【1】
‘04 最小 最大
Iik=-8mA
VIK输入嵌位电压
Vcc=最小
Iik=-12mA
-1.5
‘LS04 为 2KΩ)
‘04 最大
22
15
‘H04 最大
10
10
‘S04 最大 4.5
5
‘LS04 最大
15
15
单位
ns ns
电子发烧友 http://www.elecfans.com
电子发烧友 http://www.elecfans.com
54/7404
六反向器
简要说明
04 为六组反向器,共有 54/7404、54/74H04、54/74S04、54/74LS04 四种线路结构形
式,其主要电特性的典型值如下:
型号
tPLH
tPHL
PD
5404/7404
12ns
8ns
60mW
54H04/74H04
V
V V mA uA mA mA mA mA
[1]: 测试条件中的“最小”和“最大”用推荐工作条件中的相应值。
动态特性(TA=25℃)
参数
tPLH输出由低到高传输延迟时间 tPHL输出由高到低传输延迟时间
测试条件
Vcc =5V,CL=50Pf(‘H04 为 25Pf) RL=400Ω(‘H04 和‘S04 为 280Ω,
电 源 电 压 54 4.5
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