Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomomi Andou0
Date of Patent
May 11, 2010
0Patent Application Number
114938910
Date Filed
July 27, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed herein is a memory device which comprises a nonvolatile memory having first and second areas and a controller that stores backup data along with checksum data alternately in the first and second areas. In the first and second areas, data storing areas and checksum areas are respectively provided. The highest bit of checksum data stored in each of the checksum areas is used as the bit based on which the latest updated side is recognized.
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