The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 22, 2010
Filed:
Oct. 10, 2007
Applicant:
Kenichi Yoda, Kanagawa, JP;
Inventor:
Kenichi Yoda, Kanagawa, JP;
Assignee:
NEC Electronics Corporation, Kawasaki, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/08 (2006.01); G05F 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a semiconductor integrated circuit, a cell arrangement area is provided on a semiconductor substrate to allow a plurality of basis cells to be arranged. A basic power supply line is provided in an upper layer than the cell arrangement area to supply a power. A switch cell is configured to control the power supply from the basic power supply line to an inside of the cell arrangement area. An always operating cell is arranged in the cell arrangement area adjacently to the switch cell, and is configured to receive the power from the switch cell even when the switch cell stops the power supply to the cell arrangement area.