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:
Aug. 01, 2006
Filed:
Dec. 06, 2002
Applicants:
Koji Miyashita, Matsumoto, JP;
Masaya Uehara, Chino, JP;
Inventors:
Koji Miyashita, Matsumoto, JP;
Masaya Uehara, Chino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device having a plurality of memory cells for storing data, an address input circuit having an address signal generation section for independently generating an address signal using a clock signal in a test mode, and a delay circuit for delaying an input time of the address signal from the address input circuit to a subsequent circuit for a predetermined time period which is equal to or longer than the time necessary for the generation of the address signal.