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Method and apparatus for selecting a memory block for writing data, based on a predicted frequency of updating the data

  • US 9,244,834 B2
  • Filed: 07/18/2013
  • Issued: 01/26/2016
  • Est. Priority Date: 07/22/2009
  • Status: Active Grant
First Claim
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1. A method for storing data in a memory module comprising (i) a single-level cell memory block and (ii) a multi-level cell memory block, the method comprising:

  • storing the data in the multi-level cell memory block;

    subsequent to storing the data in the multi-level cell memory block, updating the data for one or more times;

    tracking a frequency with which the data stored in the multi-level cell memory block is updated;

    in response to tracking the frequency with which the data stored in the multi-level cell memory block is updated, determining that the data is to be stored in the single-level cell memory block; and

    based on determining that the data is to be stored in the single-level cell memory block, storing the data in the single-level cell memory block.

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