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IC designs have physical verification applications like Layout Versus Schematic (LVS) at the transistor-level to ensure that layout and schematics are equivalent, in addition there’s an Electrical Rules Check (ERC) for connections to well regions called a soft check. The connections to all the devices needs to have the most… Read More
The most vexing problem for physical implementation engineers is debugging errors due to power-ground “shorts”, as reported by the layout-versus-schematic (LVS) physical verification flow. The number of polygons associated with each individual grid is large – an erroneous connection between grids results in a huge number… Read More
