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Memory device, operating and control method thereof

  • US 9,583,189 B2
  • Filed: 02/02/2016
  • Issued: 02/28/2017
  • Est. Priority Date: 02/06/2015
  • Status: Active Grant
First Claim
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1. A method of operating a memory device comprising a plurality of memory cells, the method comprising:

  • receiving a first write command for writing second data in a target memory cell, of the plurality of memory cells, having a first state corresponding to first data;

    determining whether the target memory cell is deteriorated based on the first state, in response to the first write command; and

    writing the second data by selectively erasing the target memory cell according to a result of the determination and by programming the target memory cell to have a second state corresponding to the second data.

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