| CPC G06F 30/392 (2020.01) [G06F 30/398 (2020.01); H10D 89/10 (2025.01); G06F 2111/04 (2020.01)] | 6 Claims |

|
1. A method of designing a layout of a semiconductor device, comprising:
preparing a standard cell library comprising information on standard cells;
determining a layout of a common pattern region in consideration of a local layout effect based on the standard cell library, wherein the common pattern region comprises a common active pattern;
adding the common pattern region having a cell height that is identical to a cell height of each of the standard cells to opposite sides of one or more of the standard cells; and
arranging the standard cells to share the common pattern region between at least one pair of adjacent ones of the standard cells or to overlap the common pattern region based on a width of the common active pattern.
|