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Memory device with specified write data size

  • US 8,909,854 B2
  • Filed: 03/20/2012
  • Issued: 12/09/2014
  • Est. Priority Date: 09/16/2011
  • Status: Expired due to Fees
First Claim
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1. A memory device comprising:

  • a nonvolatile memory which stores data in units of a write unit comprising cells; and

    a controller whichcontrols the nonvolatile memory,partitions memory space of the nonvolatile memory,in response to a request to write write-data to the nonvolatile memory from a host device, requests the host device to transmit a segment of the write-data with a specified size, wherein the write-data segment has a size determined to allow for a size of a set of part of the write-data segment and corresponding additional data to be the largest while smaller than a size of the write unit, and wherein a size of the part of the write-data segment is a division by an integer of the size of the write-data segment, andbefore completion of processing a first command which requests access to a first partition, accepts a second command which requests access to a second partition.

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