Semiconductor memory device for storing multivalued data

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United States of America Patent

PATENT NO 8947930
SERIAL NO

14266275

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Abstract

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Data storage circuits are connected to the bit lines in a one-to-one correspondence. A write circuit writes the data on a first page into a plurality of 5 first memory cells selected simultaneously by a word line. Thereafter, the write circuit writes the data on a second page into the plurality of first memory cell. Then, the write circuit writes the data on the first and second pages into second memory cells adjoining 10 the first memory cells in the bit line direction.

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Patent Owner(s)

  • TOSHIBA MEMORY CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shibata, Noboru Kawasaki, JP 304 4758
Tanaka, Tomoharu Yokohama, JP 333 14439

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