Semiconductor device

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United States of America Patent

PATENT NO 9048825
APP PUB NO 20140197873A1
SERIAL NO

14211426

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Abstract

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An object of one embodiment of the present invention to provide a latch circuit includes a level shifter and a buffer in which transistors each including a channel region formed in an oxide semiconductor film are connected in series. Thus, data can be held in the latch circuit even when power is not supplied.

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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
Nishijima, Tatsuji Kanagawa, JP 45 586

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