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Data Storage Device and Flash Memory Control Method

  • US 20180101481A1
  • Filed: 12/11/2017
  • Published: 04/12/2018
  • Est. Priority Date: 11/03/2014
  • Status: Active Grant
First Claim
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1. A data storage device, comprising:

  • a flash memory, providing a storage space that is divided into a plurality of physical blocks with each physical block further divided into a plurality of physical pages; and

    a control unit, comprising a microcontroller and coupled between a host and the flash memory,wherein;

    the microcontroller is configured to duplicate a last write page of a run-time write block between the plurality of physical blocks during a power recovery process and thereby generate a duplicated page in the run-time write block to replace the last write page for reliability enhancement.

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