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Management of non-volatile memory systems having large erase blocks

  • US 8,504,798 B2
  • Filed: 12/30/2003
  • Issued: 08/06/2013
  • Est. Priority Date: 12/30/2003
  • Status: Active Grant
First Claim
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1. A method of writing data into a non-volatile memory system of a type having blocks of memory cells that are simultaneously erasable and which individually store a given number of host units of data, comprising:

  • designating a first of the blocks for storage of a number of units of data with sequential logical addresses that is less than a pre-set proportion of the given number, the pre-set proportion being less than the given number,thereafter responding to a plurality of successive host commands to write a number of units of data less than the pre-set proportion of the given number that have sequential logical addresses by writing their data into the first designated block with sequential physical addresses, andresponding to host commands to write a number of units of data having sequential logical addresses that is equal to or in excess of the pre-set proportion of said given number by writing their data into a block other than the first designated block.

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