Programming method for reducing a width of a threshold voltage distribution curve of memory cells

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United States of America Patent

PATENT NO 10026490
APP PUB NO 20180061503A1
SERIAL NO

15288785

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Abstract

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A memory device and a programming method thereof are provided, and the programming method of the memory device includes following steps. A memory cell grouping procedure is performed to divide a plurality of memory cells into a plurality of groups. After the memory cell grouping procedure is performed, a programming procedure is performed, and the programming procedure includes following steps. A first programming pulse, a second programming pulse and a verification pulse are provided to a word line. A first group is programmed by the first programming pulse, and a second group is programmed by the second programming pulse. Whether the first group and the second group respectively pass a verification operation is determined by the verification pulse.

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Patent Owner(s)

  • MACRONIX INTERNATIONAL CO. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Kuan-Fu Hsinchu, TW 17 19
Lee, Ya-Jui Hsinchu, TW 16 13

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