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Non-volatile memory device and erase method of the same

  • US 20060034128A1
  • Filed: 02/17/2005
  • Published: 02/16/2006
  • Est. Priority Date: 08/10/2004
  • Status: Active Grant
First Claim
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1. An erase method of a non-volatile memory device including memory cells arranged in a matrix of rows and columns, the erase method comprising:

  • erasing the memory cells at the same time; and

    performing an erase-verify operation for the erased memory cells, wherein the erase-verify operation is repeated under different bias conditions of the rows.

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