US Patent 7825439 Semiconductor memory

A semiconductor memory according to an example of the invention includes active areas, and element isolation areas which isolate the active areas. The active areas and the element isolation areas are arranged alternately in a first direction. An n-th (n is odd number) active area from an endmost portion in the first direction and an (n+1)-th active area are coupled to each other at an endmost portion in a second direction perpendicular to the first direction.