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ERROR CORRECTION MECHANISMS FOR FLASH MEMORIES

  • US 20110239094A1
  • Filed: 03/29/2010
  • Published: 09/29/2011
  • Est. Priority Date: 03/29/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a syndrome corresponding to a codeword of data;

    indicating that there is no error in the codeword if the syndrome is zero;

    indicating an error in the codeword if the syndrome is non-zero;

    generating an error location polynomial for the codeword based on the syndrome utilizing at least a conditional Berlekamp-Massey Algorithm (BMA);

    analyzing the error location polynomial to determine bit error locations;

    correcting bit errors in the codeword as indicated by the bit error locations; and

    storing the codeword with the corrected bits.

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