Problem during compilation

[Vincenzo Giannone]

Hello,

my name is Vincenzo Giannone and I'm trying to generate a memory with 2 read ports and 1 write port in sky130. I added the custom cells needed for that purpose and I modified the source code. During the compilation I get the following error: 

"ERROR: file pin_group.py: line 152: Did not find any enclosures for gnd"

Could you help me to understand how to solve this problem please?

Best regards

[Matthew Guthaus]

Hi,

This means that there are other metals too close to a gnd pin and the router cannot put it "on grid". If you make more space around the pin it should fix the problem.

Matt

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Matthew Guthaus

Associate Dean of Graduate Studies

Professor, Computer Science & Engineering

Baskin School of Engineering

University of California Santa Cruz

https://www.soe.ucsc.edu/people/mrg