Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 17, 2010
Patent Application Number
12019227
Date Filed
January 24, 2008
Patent Primary Examiner
Patent abstract
A memory system includes: a flash memory that stores data; a memory that stores a read count table that indicates the number of times of data read from the flash memory; and a controller that performs: reading out the data from the flash memory; updating the read count table when the controller performs reading out the data from the flash memory; and refreshing the flash memory based on the read count table.
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