Patent ID: 8258550
Filing Date: 2012-09-04
Classification: G06F,H01L

Abstract:
1. A semiconductor device, comprising: a number of N-diffusion and a number of P-diffusion defined in a region of the semiconductor, the number of N-diffusion arranged relative to the number of P-diffusion such that an inner non-diffusion region exists between the number of N-diffusion collectively and the number of P-diffusion collectively; at least six linear shapes extending along a first direction in a gate layer region of the region of the semiconductor device such that each of the at least six linear shapes has its lengthwise centerline extending in the first direction, and wherein some of the at least six linear shapes are gate defining shapes, and some of the gate defining shapes forming P-transistors with respective ones of the number of P-diffusion, and some of the gate defining shapes forming N-transistors with respective ones of the number of N-diffusion, wherein the P-transistors and N-transistors define a set of at least eight transistors in the region of the semiconductor device, including, (a) a first N-transistor, a second N-transistor, a third N-transistor, and a fourth N-transistor, (b) a first P-transistor, a second P-transistor, a third P-transistor, and a fourth P-transistor, such that, wherein either a) the N transistors are transistors of a first transistor type and the P transistors are transistors of a second transistor type, such that the first, second, third, and fourth N transistors are first, second, third, and fourth transistors of the first transistor type, and such that the first, second, third, and fourth P transistors are first, second, third, and fourth transistors of the second transistor type, or b) the P transistors are transistors of a first transistor type and the N transistors are transistors of a second transistor type, such that the first, second, third, and fourth P transistors are first, second, third, and fourth transistors of the first transistor type, and such that the first, second, third, and fourth N transistors are first, second, third, and fourth transistors of the second transistor type; a first contact contacting the gate defining shape of the second transistor of the first transistor type, the gate defining shape of the second transistor of the first transistor type extending a first extension distance beyond the first contact, the first extension distance measured in the first direction as directed away from a gate electrode of the second transistor of the first transistor type; a second contact contacting the gate defining shape of the second transistor of the second transistor type, the gate defining shape of the second transistor of the second transistor type extending a second extension distance beyond the second contact, the second extension distance measured in the first direction as directed away from a gate electrode of the second transistor of the second transistor type; a third contact contacting the gate defining shape of the third transistor of the first transistor type, the gate defining shape of the third transistor of the first transistor type extending a third extension distance beyond the third contact, the third extension distance measured in the first direction as directed away from a gate electrode of the third transistor of the first transistor type; a fourth contact contacting the gate defining shape of the third transistor of the second transistor type, the gate defining shape of the third transistor of the second transistor type extending a fourth extension distance beyond the fourth contact, the fourth extension distance measured in the first direction as directed away from a gate electrode of the third transistor of the second transistor type, wherein at least two of the first, second, third, and fourth extension distances are different.