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Memory system, reading method thereof and writing method thereof

  • US 10,545,805 B2
  • Filed: 03/29/2017
  • Issued: 01/28/2020
  • Est. Priority Date: 03/29/2017
  • Status: Active Grant
First Claim
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1. A writing method of a memory system, wherein the memory system includes a memory controller and a memory array electrically connected to the memory controller, a parity information is stored in the memory array, the memory array includes a plurality of memory devices, and the writing method comprises:

  • receiving a writing command for writing a user data into the memory array;

    allocating a plurality of pages of the memory array to store the user data;

    if one of the pages being allocated is unavailable to be accessed at one of the memory devices, storing the user data and the parity information corresponding to the user data in the pages being allocated except the memory device which is unavailable to be accessed;

    executing a heating repair operation on the memory device which is unavailable to be accessed, wherein the heating repair operation is performed by applying heat, such that the memory device which is unavailable to be accessed is repaired; and

    restoring the user data to the memory array after the heating repair operation is finished.

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