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Dynamic matching of signal path and reference path for sensing

  • US 7,466,594 B2
  • Filed: 07/19/2006
  • Issued: 12/16/2008
  • Est. Priority Date: 08/12/2004
  • Status: Active Grant
First Claim
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1. A method for operating a non-volatile memory cell device including a memory cell array with memory cells and reference cells, said method comprising:

  • driving a memory cell and a reference cell with a common bit line (BL) driver connected to the memory cell and the reference cell via a multiplexer through accessed global bit lines; and

    matching a sensing path of the memory cell and the reference cell sensing path to a sense amplifier by using a non-accessed global bit line in the sensing path between the reference cell and the sense amplifier.

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