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:
May. 11, 2010
Filed:
Aug. 30, 2007
Applicant:
Yoshikazu Iizuka, Kawasaki, JP;
Inventor:
Yoshikazu Iizuka, Kawasaki, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor apparatus comprising: a plurality of memory circuits each including a memory and an input/output selector, the memory having a plurality of memory cells and a plurality of input/output circuits respectively corresponding to the memory cells; and an incorporated self-test circuit that executes a quality test for the memory, wherein the input/output selector selects one of the input/output circuits and successively outputs data signals to the incorporated self-test circuit, the data signals read by the one of the input/output circuits from the corresponding memory cells.