Memory system

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United States of America Patent

PATENT NO 11733888
APP PUB NO 20210004169A1
SERIAL NO

17028087

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to one embodiment, a memory system includes a nonvolatile memory and a controller electrically connected to the nonvolatile memory. The controller selects a write mode from a first mode in which data having N bits is written per one memory cell and a second mode in which data having M bits is written per one memory cell. N is equal to or larger than one. M is larger than N. The controller writes data into the nonvolatile memory in the selected write mode. The controller selects either the first mode or the second mode at least based on a total number of logical addresses mapped in a physical address space of the nonvolatile memory.

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Patent Owner(s)

  • KIOXIA CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amaki, Takehiko Yokohama, JP 39 206
Hida, Toshikatsu Yokohama, JP 130 1567
Igahara, Shunichi Kamakura, JP 24 108
Kojima, Yoshihisa Kawasaki, JP 152 1108
Nishikawa, Suguru Osaka, JP 30 86
Suzuki, Riki Yokohama, JP 62 266

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