Design an Open-Source SoC with Google SkyWater PDK, Get It Manufactured for Free

With open ISAs like RISC-V, it’s become easier – provided you have the skills – to develop or customize your own SoC using RTL files, compile it with EDA tools, and run the resulting bitstream on an FPGA. But if you ever wanted to get an actual chip that would become more complex, as you’d need to request a process design kit (PDK) from a  foundry, and pay for the manufacturing cost, which amounts to at least several thousand dollars for older process nodes. But the FOSSi (Free and Open Source Silicon) Foundation has good news with Tim Ansell of Google announcing the SkyWater PDK, the first manufacturable, open-source process design kit. There are other open-source PDKs, but they aren’t manufacturable and/or only support older 0.35/0.5 micron nodes. The SkyWater PDK allows you to produce chips with the SkyWater foundry in the 130nm node. That’s a big improvement since you have access to an open-source PDK that’s manufacturable. but you’d …

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