Semiconductor memory device for storing multivalued data
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United States of America Patent
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Jan 30, 2018
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app pub date -
Aug 30, 2016
filing date -
Nov 29, 2002
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Abstract
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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