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Method and Apparatus for Caching Flash Translation Layer (FTL) Table

  • US 20170024326A1
  • Filed: 07/22/2016
  • Published: 01/26/2017
  • Est. Priority Date: 07/22/2015
  • Status: Abandoned Application
First Claim
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1. A digital processing system operable to store information, comprising:

  • a non-volatile memory (“

    NVM”

    ) organized its memory space into memory blocks for storing data persistently, each of the memory blocks divided into a plurality of physical pages addressable by corresponding physical page addresses (“

    PPAs”

    );

    an address mapping table situated in the NVM and organized to include a plurality of entries for memory accessing to the NVM, each entry of the address mapping table addressed to a physical page of NVM; and

    a random access memory (“

    RAM”

    ) cache coupled to the NVM and configured to cache at least a portion of the address mapping table based on a table caching mechanism.

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