Memory system including a controller and a nonvolatile memory having memory blocks

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United States of America Patent

PATENT NO 10095414
APP PUB NO 20170255405A1
SERIAL NO

15267734

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Abstract

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A nonvolatile memory having memory blocks, and a controller configured to select a first block and a second block among the memory blocks, determine a third percentage on the basis of a first percentage of valid data in the first block and a second percentage of valid data in the second block, determine a first ratio between a write amount of user data in accordance with a request from a host and a write amount of the valid data in the first block on the basis of the third percentage, and write the user data and the valid data in the first block into the nonvolatile memory on the basis of the first ratio.

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Patent Owner(s)

  • TOSHIBA MEMORY CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kojima, Yoshihisa Kawasaki, JP 152 1112
Zettsu, Tatsuya Yokohama, JP 17 174

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