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:
Nov. 29, 2005
Filed:
Apr. 02, 2003
Takao Hasegawa, Tokyo, JP;
Tsunehiro Koyama, Tokyo, JP;
Takao Hasegawa, Tokyo, JP;
Tsunehiro Koyama, Tokyo, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
A layout device includes a processing type setting part for classifying a layout of a semiconductor integrated circuit in every area in accordance with the percentage voltage drop in the circuit, and for extracting a processing target portion composed of a group of areas, including an area having a percentage voltage drop exceeding a predetermined threshold; a layout generating part for applying layout change processing to alleviate differences of the percentage voltage drops among the areas for circuit components, such as power supply wiring and connecting points in the processing target portion.