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Error detection/correction based memory management

  • US 8,683,298 B2
  • Filed: 11/13/2012
  • Issued: 03/25/2014
  • Est. Priority Date: 10/27/2009
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a memory device; and

    a controller coupled to the memory device and configured to control;

    performing a read operation on a group of memory cells;

    responsive to determining that the read operation results in an uncorrectable error, determining whether to retire the group of memory cells based, at least partially, on a status of an indicator corresponding to the group of memory cells, wherein the status of the indicator indicates whether the group of memory cells has a previous uncorrectable error associated therewith; and

    storing the indicator corresponding to the group of memory cells within the group of memory cells.

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