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Read operation method of nonvolatile memory, memory system including the nonvolatile memory, and operation method of the memory system

  • US 10,691,346 B2
  • Filed: 12/19/2017
  • Issued: 06/23/2020
  • Est. Priority Date: 12/19/2016
  • Status: Active Grant
First Claim
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1. A read operation method of a nonvolatile memory, the read operation method comprising:

  • selecting at least a first selection defence code from among a plurality of defence codes by using read voltage level determination information and read environment information, the read environment information including values respectively corresponding to a plurality of factors, the plurality of defence codes being executable code;

    determining a level of a read voltage for performing a read operation based on the first selection defence code; and

    performing the read operation by using the read voltage having the determined level.

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