In an exemplary layout structure of a semiconductor integrated circuit manufactured by a photolithographic process using an exposing light having a wavelength λ, a peripheral circuit region is formed by arranging a plurality of peripheral circuit cells, each having peripheral circuit patterns, along...http://www.google.com.au/patents/US7257790?utm_source=gb-gplus-sharePatent US7257790 - Layout structure of semiconductor integrated circuit and method for forming the same
