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METHOD TO DISTRIBUTE USER DATA AND ERROR CORRECTION DATA OVER DIFFERENT PAGE TYPES BY LEVERAGING ERROR RATE VARIATIONS

  • US 20150178149A1
  • Filed: 02/05/2014
  • Published: 06/25/2015
  • Est. Priority Date: 12/20/2013
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a memory comprising a plurality of memory devices, each memory device having a plurality of page types, wherein said plurality of page types are classified based on error rate variations; and

    a controller configured to write user data and error-correction data to said memory, wherein said user data and said error-correction data is organized as a super-page, said super-page comprises a plurality of sub-pages, and said plurality of sub-pages are written across said plurality of memory devices such that said plurality of sub-pages are stored using more than one of said plurality of page types.

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