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NON-VOLATILE MEMORIES WITH ENHANCED WRITE PERFORMANCE AND ENDURANCE

  • US 20110138105A1
  • Filed: 12/04/2009
  • Published: 06/09/2011
  • Est. Priority Date: 12/04/2009
  • Status: Active Grant
First Claim
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1. A memory system comprising:

  • a receiver for receiving a data rate of a data sequence to be written to a non-volatile memory device, the data rate specifying a number of bits in the data sequence;

    a physical page selector for;

    selecting a physical address of an invalid previously written memory page from a group of physical addresses of invalid previously written memory pages located on the non-volatile memory device, the invalid previously written memory page at the selected physical address having a number of free bits; and

    determining if the number of free bits is greater than or equal to the data rate; and

    a transmitter for outputting the selected physical address of the invalid previously written memory page in response to the physical page selector determining that the number of free bits is greater than or equal to the data rate.

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