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:
Sep. 17, 2001
Applicant:
Inventor:
Ichiro Yamane, Kyoto, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract
A semiconductor integrated circuit including one or a plurality of external functional blocks; a nonvolatile memory having a logical content as to whether to validate or invalidate the external functional blocks; and a logical circuit validating or invalidating an input and an output to each external functional block in accordance with the logical content of the memory, wherein a user is allowed to validate use of a necessary external functional block and to invalidate use of an unnecessary external functional block.