Hi I found that sky130 sram 4kbyte 1rw1r 32x1024 8 is not dr open-source-silicon.dev #openram

Hi, I found that sky130_sram_4kbyte_1rw1r_32x1024_...

Peijun Hou

07/04/2021, 7:46 PM

Hi, I found that sky130_sram_4kbyte_1rw1r_32x1024_8 is not drc clean, is it normal?

Matthew Guthaus

07/04/2021, 8:24 PM

It uses core memory rules which aren't in the public PDK

Matthew Guthaus

07/04/2021, 8:25 PM

There are also a few small things that haven't been updated outside of the array

Peijun Hou

07/04/2021, 8:26 PM

Thank you for your reply! What should I do if I want to drc test a design which include this memory? Should I just set ignore these violation?

Matthew Guthaus

07/04/2021, 8:58 PM

You should be using the lef file

Matthew Guthaus

07/04/2021, 9:02 PM

Also, the 1k and 2k are more confident to work. 4k and 8k less so

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