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MEMORY MANAGEMENT METHOD, MEMORY STORAGE DEVICE AND MEMORY CONTROLLING CIRCUIT UNIT

  • US 20160054921A1
  • Filed: 10/21/2014
  • Published: 02/25/2016
  • Est. Priority Date: 08/25/2014
  • Status: Active Grant
First Claim
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1. A memory management method for controlling a rewritable non-volatile memory module comprising a plurality of physical units, the memory management method comprising:

  • defining a first data management rule for a first type physical unit and a second data management rule for a second type physical unit, wherein a first data density of the first type physical unit is lower than a second data density of the second type physical unit;

    if a first physical unit of the physical units belongs to the first type physical unit, managing the first physical unit based on the first data management rule, such that data stored in the first physical unit conforms to a first reliability level; and

    if the first physical unit of the physical units belongs to the second type physical unit, managing the first physical unit based on the second data management rule, such that the data stored in the first physical unit conforms to a second reliability level, wherein the second reliability level is higher than the first reliability level.

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