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Reducing the effects of noise in non-volatile memories through multiple reads

  • US 6,952,365 B2
  • Filed: 03/12/2004
  • Issued: 10/04/2005
  • Est. Priority Date: 01/18/2002
  • Status: Expired due to Fees
First Claim
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1. A method of sensing the data content of a non-volatile memory, comprising:

  • biasing a multi-state storage element of the non-volatile memory according to a set of operating parameters and target criteria;

    determining to a first resolution the value of a parameter indicative of the state of said storage element a plurality of times with the storage element biased according to said set of operating parameters and target criteria;

    individually storing said plurality of parameter values determined to the first resolution; and

    determining the multi-state data content of said storage element to a second resolution less than said first resolution by forming a composite of said plurality of values of said parameter individually stored at the first resolution.

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