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How to exploit annotation browser connectivity for custom cells?

YJ Jo over 4 years ago

Hi,

I found that annotation browser connectivity check is very helpful for layout.

But when I tried to exploit this for the custom cell (not standard cells), it doesn't display the connectivity.

How to make it work?

Thanks,

Andrew Beckett over 4 years ago

Are you looking at the layouts in VLS XL? Do the layouts have instances of devices or are they just flat shapes?

Andrew.
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YJ Jo over 4 years ago in reply to Andrew Beckett

Usually, layouts have instances.
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YJ Jo over 4 years ago in reply to Andrew Beckett

I find out that I need to insert the pins provided by "Generate Layout" to check the connectivity by the Layout XL/GXL. If there is a better way, please let me know. Thanks, Andrew.
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YJ Jo over 4 years ago in reply to Andrew Beckett

But I still not sure that how to draw the corresponding pins as generated by the tool for the full-custom design. Can I ask about it?
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Andrew Beckett over 4 years ago in reply to YJ Jo

It's really hard to answer your questions because I don't know what you're starting from. This would probably be a lot easier via customer support, so that you can show an application engineer what you're trying to do.

Andrew
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