Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 12, 2011
Patent Application Number
12023090
Date Filed
January 31, 2008
Patent Primary Examiner
Patent abstract
An erase count of a flash memory block which is lost, e.g., due to power failure is updated or replaced by using known erase counts of other blocks of the flash memory. A flash management algorithm assigns a new erase count value instead of the lost one based on either a maximum value, an average value or a value combining the maximum value of the known erase counts and some tolerance value. The known values may be obtained from wear leveling data or from a stored erase history.
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