Semiconductor memory device

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United States of America Patent

PATENT NO 9680029
SERIAL NO

14832066

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Abstract

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A semiconductor memory device includes a bit line; two or more word lines; and a memory cell including two or more sub memory cells that each include a transistor and a capacitor. One of a source and a drain of the transistor is connected to the bit line, the other of the source and the drain of the transistor is connected to the capacitor, a gate of the transistor is connected to one of the word lines, and each of the sub memory cells has a different capacitance of the capacitor.

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Patent Owner(s)

  • SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saito, Toshihiko Kanagawa, JP 171 2760

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