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Method for Decreasing Program Disturb in Memory Cells

  • US 20080151667A1
  • Filed: 10/19/2007
  • Published: 06/26/2008
  • Est. Priority Date: 12/21/2006
  • Status: Active Grant
First Claim
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1. A method for decreasing program disturb in memory cells, comprising:

  • finding an initial programming condition that ensures programming a memory cell normally;

    selecting two parameters from the initial programming condition as variables for a program disturb test;

    performing the program disturb test to the memory cell for at least two combined values of the variables;

    obtaining a programming condition with minimum program disturb based on a result of the program disturb test; and

    applying the programming condition with minimum program disturb during programming the memory cell.

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