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:
Nov. 23, 2004
Filed:
Apr. 25, 2001
Applicant:
Inventor:
Masaya Muranaka, Akishima, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 2/900 ; G11C 7/00 ; G01R 3/126 ; G01R 3/127 ;
U.S. Cl.
CPC ...
G11C 2/900 ; G11C 7/00 ; G01R 3/126 ; G01R 3/127 ;
Abstract
A memory circuit having a memory cell array in which a plurality of memory cells are provided at intersection points of a plurality of word lines and a plurality of bit line pairs and a peripheral circuit for performing an operation of selecting an address is provided with a computing circuit for generating an address signal for test; a packet decoder for designating the kind of computation to the computing circuit; and an input circuit for supplying a test signal comprising a plurality of bits for designating a test operation to the packet decoder.