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Posts Tagged ‘interdigitated pattern’

Custom Compiler Layout Assistants (Part 1)

Wednesday, June 1st, 2016

As mentioned previously, on March 30th Silicon Valley was buzzing with excitement. Synopsys revealed Custom Compiler, a fresh approach to custom design that employs visually-assisted automation technologies to speed up common design tasks, reduce iterations and enable reuse at the SNUG Silicon Valley event. During this event, the R&D folks did a walkthrough of the technology ‘under-the-hood’ and showed the audience some cool layout assistants that leverage the graphical use model familiar to layout designers while eliminating the need to write complicated code and constraints. [Click here to view the videolog of the SNUG event.]

One of the layout assistants that was shown was the symbolic editor. This really is a must-have assistant when it comes to placing devices that need to be in a specific interdigitated pattern, like a differential pair. In the schematic, it is two symbols, but in the layout it could be hundreds of devices. The symbolic editor allows device placement to be edited in an easy and graphical manner and comes with a rich collection of predefined placement patterns. If you find a placement pattern you like, you can simply use it as-is and the symbolic editor will generate a correct-by-construction placement that you can instantiate in your layout. If you don’t find an exact match, you can easily use a pattern that is similar to what you need and rearrange the placement pattern graphically. No constraints to enter, no code to write and layout is done in minutes vs. hours.

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