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Memory controller and operating method of memory controller

  • US 9,043,677 B2
  • Filed: 03/03/2014
  • Issued: 05/26/2015
  • Est. Priority Date: 05/09/2011
  • Status: Active Grant
First Claim
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1. A method of operating a memory controller to control a memory device, the method comprising:

  • reading data that comprises a data portion and a parity portion from the memory device;

    determining a condition of the data portion based on the read data; and

    performing a data processing i) only for the data portion if the condition of the data portion is good and the parity portion is not needed, ii) for both the data portion and the parity portion if the condition of the data portion is bad and both the data portion and the parity portion are needed, or iii) only for the data portion if the condition of the data portion is bad and only the data portion is needed.

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