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Solid state storage system for controlling reserved area and method of controlling the same

  • US 8,370,680 B2
  • Filed: 07/19/2010
  • Issued: 02/05/2013
  • Est. Priority Date: 12/24/2009
  • Status: Active Grant
First Claim
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1. A solid state storage system comprising:

  • a flash memory region comprising a plurality of memory blocks and a plurality of replacement blocks corresponding to error-occurred blocks when errors occur in the memory blocks; and

    a memory controller configured to perform a control operation to replace the error-occurred blocks with the replacement blocks,wherein the error-occurred blocks comprise correctable blocks and uncorrectable blocks, andwherein the memory controller determines whether the error-occurred blocks are the correctable blocks or the uncorrectable blocks and controls zones of the replacement blocks, replaced in correspondence to the correctable blocks, to be allocated a plurality of times.

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