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Is there a guide to generating a custom ram for sky130?

Currently in the master brach of <https://github.com/VLSIDA/OpenRAM|openram> GitHub doesn't support sky130 pdk but supports freepdk45. In the dev branch it has some documentation regarding sky130 but I had faced some issues following that, maybe there are some bugs to fix. I finally had generating sram using sky130 pdk, referring to <https://github.com/vsdip/vsdsram_sky130|this> repo and generated sram of 32 bits wide and 512 depth.

<https://github.com/VLSIDA/OpenRAM#basic-setup|https://github.com/VLSIDA/OpenRAM#basic-setup>

The Docker approach is highly preferred since the tools have many versioning issues.

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