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METHODS OF REUSING LOG BLOCKS IN NON-VOLATILE MEMORIES AND RELATED NON-VOLATILE MEMORY DEVICES

  • US 20080098192A1
  • Filed: 11/30/2006
  • Published: 04/24/2008
  • Est. Priority Date: 10/19/2006
  • Status: Active Grant
First Claim
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1. A method of operating a non-volatile memory device that includes a first data block that stores first data and a first log block that stores an updated version of at least some of the first data, the method comprising:

  • copying valid portions of the first data in the first data block to a free block that has no data to generate a second data block;

    copying the updated version of at least some of the first data from the first log block to the second data block; and

    designating the first log block as a reusable log block without erasing the data therefrom in response to at least one predetermined condition being satisfied.

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