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Write and merge methods in memory card systems for reducing the number of page copies

  • US 8,417,872 B2
  • Filed: 01/23/2009
  • Issued: 04/09/2013
  • Est. Priority Date: 01/24/2008
  • Status: Expired due to Fees
First Claim
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1. A write method for a memory card system, the method comprising:

  • receiving a write request for a page;

    allocating a first log block to a first data block including the page;

    performing a write operation on the first log block corresponding to the first data block;

    receiving an update request for the page;

    allocating a second log block to the first data block, while the first log block is allocated to the first data block; and

    performing a write operation on the second log block corresponding to the first data block.

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