Liberty74: An Open-Source Verilog-to-PCB Flow

• Speakers: Tobias Senti
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Abstract

With the rise of open-source EDA, creating their own chips has become more accessible. Education-oriented projects, like Tiny Tapeout, minimize the entry barrier significantly. Yet, silicon fabrication remains a complex, costly, and time-consuming process. In this talk, we present Liberty74, which allows digital designs to be synthesized, simulated, and implemented using discrete SMD components on PCBs. The flow exclusively uses open-source tools such as Yosys for synthesis, Verilator for simulation, and OpenROAD and KiCad for the layout of the final PCB.