Nonvolatile memory device and method of operating the same

Nonvolatile memory device and method of operating the same

  • CN 101,763,904 A
  • Filed: 12/23/2009
  • Published: 06/30/2010
  • Est. Priority Date: 12/24/2008
  • Status: Active Grant
First Claim
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1. the method for operating of a Nonvolatile memory devices, this method comprises:

  • Carry out read operation, to read the data that are stored in first memory cell block that comprises the first unit group;

    Detect the second unit group that includes a plurality of error bits in data from the first unit group, the quantity of wherein said error bit is more than setting figure place, and is equal to or less than by error-detecting and the correctable maximum figure place that allows of correction (ECC) processing;

    AndAfter detecting the second unit group, carry out write back operations, so that the data that will be stored in described first memory cell block move to second memory cell block.

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