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 SOFA (**S**kywater **O**pensource **F**PG**A**s) are a series of open-source FPGA IPs using the open-source [Skywater 130nm PDK](https://github.com/google/skywater-pdk) and [OpenFPGA](https://github.com/lnis-uofu/OpenFPGA) framework
 
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   <img src="./DOC/source/device/hd_fpga/figures/sofa_hd_layout.png" width="200" align="right">
   <img src="./DOC/source/device/hd_fpga/figures/qlsofa_hd_layout.png" width="200" align="right">
   <img src="./DOC/source/device/hd_fpga/figures/sofa_chd_layout.png" width="200" align="right">
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 ## Quick Start