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:
Apr. 26, 2005
Filed:
Aug. 15, 2002
Toshio Miyatake, Chiyoda, JP;
Tatsuya Nagata, Ishioka, JP;
Hiroya Shimizu, Ryugasaki, JP;
Ryuji Kohno, Chiyoda, JP;
Hideyuki Aoki, Takasaki, JP;
Toshio Miyatake, Chiyoda, JP;
Tatsuya Nagata, Ishioka, JP;
Hiroya Shimizu, Ryugasaki, JP;
Ryuji Kohno, Chiyoda, JP;
Hideyuki Aoki, Takasaki, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
A semiconductor device includes a quadrangular semiconductor substrate and a self test circuit formed on the semiconductor substrate. A plurality of pads are formed on the semiconductor substrate, which pads are coupled at least to the self test circuit. The semiconductor substrate includes four rectangular or square regions which each include a respective corner of the quadrangle, and at least two of the pads are respectively located on diagonally opposite ones of the regions from one another.