Template Style Considerations for Sea-of-Gates Layout Generation

SoGOLaR (Sea-of-Gates Optimized Layout and Routing) is program that generates functional cells for static CMOS circuits in the Sea-of-Gates layout style. Our generator is flexible and general enough to produce efficient layout for a wide variety of Sea-of-Gates template geometries. SoGOLaR has been used to make quantitative comparisons of several different templates with respect to area utilization and cell routability. We present the results of our comparative study and draw some conclusions for the selection of a basic Sea-of-Gates template geometry.