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:
Mar. 08, 2011
Filed:
Nov. 14, 2007
Applicants:
Tomoaki Kojo, Kasugai, JP;
Masahiro Tanaka, Kasugai, JP;
Inventors:
Tomoaki Kojo, Kasugai, JP;
Masahiro Tanaka, Kasugai, JP;
Assignee:
Fujitsu Semiconductor Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device includes a plurality of independently accessible memory cores. Each memory core includes at least one flag cell storing a flag value and a plurality of data cells storing data. An access control circuit included in the semiconductor memory device selects an access-control subject memory core from the memory cores based on the flag value of the at least one flag cell of each memory core.