Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mitsuaki Honma0
Noboru Shibata0
Date of Patent
June 23, 2009
0Patent Application Number
121068920
Date Filed
April 21, 2008
0Patent Primary Examiner
Patent abstract
A semiconductor memory device includes: a memory cell array having a plurality of memory cells arranged therein; and a sense amplifier circuit configured to read data of the memory cell array, wherein a comparison operation is performed between read out data from the memory cell array and externally supplied expectance data in the sense amplifier circuit.
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