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Apparatus, system, and method for using multi-level cell solid-state storage as single level cell solid-state storage

  • US 8,261,158 B2
  • Filed: 03/15/2010
  • Issued: 09/04/2012
  • Est. Priority Date: 03/13/2009
  • Status: Active Grant
First Claim
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1. A method to store information in a storage device comprising one or more multi-level memory cells, the method comprising:

  • reading a data bit in a multi-level memory cell in a first read operation;

    reading an audit bit in the multi-level memory cell in a second read operation separate from the first read operation;

    determining that the audit bit fails to match an expected value for the audit bit; and

    determining that a validity of the data bit is suspect in response to the audit bit failing to match an expected value of the audit bit.

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