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:
Jul. 29, 2003
Filed:
Jan. 17, 2002
Applicant:
Inventor:
Taira Iwase, Kawaski, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 8/00 ;
U.S. Cl.
CPC ...
G11C 8/00 ;
Abstract
A semiconductor memory device includes a memory cell array from or to which data is read or written, an identification circuit to identify a particular signal which allows a particular operation that is not part of normal operations to read or write data from or to the memory cell array to be performed on the memory cell array, and a control circuit which performs the particular operation on the memory cell array when the particular signal is identified by the identification circuit.