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Error correction in a solid state disk

  • US 8,438,455 B2
  • Filed: 12/31/2008
  • Issued: 05/07/2013
  • Est. Priority Date: 12/31/2008
  • Status: Active Grant
First Claim
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1. A solid state disk comprising:

  • non-volatile memory made up of a plurality of memory die, wherein each memory die includes a plurality of sectors, and wherein a plurality of pages are formed from a subset of the plurality of sectors for each of the plurality of memory die; and

    a controller towrite data to the non-volatile memory, wherein the data is written to a page in chronological order through the plurality of memory die and sector by sector to the memory die;

    generate error correction code (ECC) on the data written to the non-volatile memory;

    perform a parity operation on the data contained in corresponding sectors of the plurality of memory die; and

    write the parity data to at least one of the plurality of memory die in a corresponding sector.

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