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Operating array cells with matched reference cells

  • US 7,457,183 B2
  • Filed: 10/16/2006
  • Issued: 11/25/2008
  • Est. Priority Date: 09/16/2003
  • Status: Expired due to Term
First Claim
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1. A non-volatile memory (“

  • NVM”

    ) device comprising;

    a set of multi-charge storage region data cells; and

    a set of multi-charge-storage-region references cells, wherein at least one of said set of multi-charge storage reference cells has a thermal coefficient substantially correlated with a thermal coefficient value associated with a subset of said set of data cells, wherein said subset of data cells is associated with a specific logical state.

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