Cadence内部专用学习Allegro的资料

– Increase what is checked – Eliminate messages that are not corruptions – Intuitive error messages – Prevent renaming of .Sav files – Automatic uprevs – Coincident Via Deletions
Replaces graphic-based scroll selection method
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Place Manual Options Form
Existing rotation options copied from Edit>Move to Place>Manual options form
To assign, edit>property>net>ratsnest schedule>power and ground
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Edit Vertex Dynamic Bubble
Shove and Hug preferred options
Shove Via capability
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Append to File Option added to Reports
• Allows user to append reports to each other • View button added, eliminates navigation to File>File Viewer
• Control location of stored schemes with Viewpath variable.
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Database Write Locks
To Activate:
Select File>Properties>Lock Database
Benefits:
New Quickplace Options
Floorplanning options that help the designer to quickly move and cluster components in preparation of functional placement.
3 New Options By Net Name By Part Number
Symbolic representation of connections terminating on power and ground planes. Optional removal of „no_rat‟ property gives user visibility of all plane connections without the clutter.
Resulting Action
Before
Enabled
Disabled
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Graphic Enhancements during Dynamics
14.1
Slide example shown above
14.2
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Plane Rats
By Schematic Page
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Auto-hide Place Manual Form
User enabled setting to hide the placement dialog box during interactive placement Automatically reappears when last component is placed RMK override option provides immediate call back mechanism
Full or Minimum smoothing options Net name added to form
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Edit Vertex Dynamic Bubble
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New Sub-form added to Gloss>Center Lines
User can now control inner layer line centering
New
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Stick and Print Option added to Show Element Form
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New Board Wizard
• Assists new and part time users through the steps of creating a .brd file with basic constraints.
• Quick way for all users to generate .brd files from existing tech and symbol files.
• •
ZCOPY added to Allegro Studio
Grid Parameter Form and IPF Export added to Allegro Viewer Plus
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Section 2
Component Placement
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Mirror copied from Setup>Drawing Options>Symbol
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Section 3
Interactive Etch Editing
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Dynamic Slide Phase II
• Shove via capability • Slide vias and Tees with or without segments • Full or Minimum smoothing options • Net Name added to form
On UNIX a link will be maintained to the old extract program name to provide compatibility with existing customer scripts. No backward compatibility will be provided on NT (file system is different). Allegro applications that use extract will be updated to use the new program name
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Purge Via command added to Physical Constraints Form
Convenient way of removing vias that cannot be found from the current via list
• Middle mouse key initiated zoom function, same as Specctra for the following zoom types.
– Zoom points – Zoom out – Zoom center – Zoom fit
– Cancel Zoom
• Ignore fixed property added to update symbol form • GUI alignment with –Z switch
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Product Notes
• The current EXTRACT program will be renamed to EXTRACTA.
Select View>Color View Save Then recall from View section in the Control Panel.
Benefits:
• Allows quick access to saved visibility schemes including film records.
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Artwork Control Form
Benefits: • Sorts films alphabetically • DBDOCTOR option added to form
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Refresh Symbol – Ignore Fixed Property
• Marks Allegro database as read-only. • User can prevent exporting of certain design data like tech files & libraries.
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Specctra-like Zoom Function
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DBDoctor
•
Combines dbfix and dbcheck into a single program and provides the following:
– Better on-line checks and fixes
– Improved performance