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HIERARCHICAL ERROR CORRECTION FOR LARGE MEMORIES

  • US 20120233498A1
  • Filed: 03/10/2011
  • Published: 09/13/2012
  • Est. Priority Date: 03/10/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining presence of data errors for each of a plurality of unique memory segments of a memory region;

    for each memory segment if the data error is a first type of error, correcting the data error in the memory segment;

    for each memory segment if the data error is a second type of error, set a flag associated with the memory segment; and

    if a flag is set for only one memory segment in the memory region, thendetermining if the data error is a third type of error, andcorrecting the data error for the memory region, if the data error is not the third type of error.

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