Semiwiki Explains RTL Design Restructuring using Defacto

Modern SoC designs can use billions of transistors where transistors are grouped into gates, then gates grouped into cells, then cells grouped into blocks, blocks grouped into modules, and so on, creating a complex hierarchy. What a front-end designer conceives of logically for a hierarchy will differ from how an optimized physical hierarchy appears in order to meet physical implementation constraints in the back-end of the design process...

 

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