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Disabling faulty flash memory dies

  • US 8,055,959 B2
  • Filed: 09/14/2009
  • Issued: 11/08/2011
  • Est. Priority Date: 01/18/2006
  • Status: Active Grant
First Claim
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1. An article of manufacture comprising machine-readable instructions that, when executed by a computer, causes the computer to perform operations comprising:

  • identifying at least one criterion for determining whether a flash memory die is defective;

    identifying at least one defective flash memory die in a set of flash memory dies that provide a nominal initial capacity based on the at least one identified criterion;

    selecting a level from among a plurality of levels at which a die disabling mechanism disables the at least one defective flash memory die, wherein the die disabling mechanism is configured to disable the at least one defective flash memory die at any of the plurality of levels; and

    disabling the at least one defective flash memory die at the selected level to provide a flash memory system having an operational capacity that is less than the nominal initial capacity.

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