Data holding circuit

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United States of America Patent

PATENT NO 8513977
APP PUB NO 20100181384A1
SERIAL NO

12683776

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Abstract

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A semiconductor device which stores data, and in which refresh operation is not needed, is described. The semiconductor device comprises at least a transistor and a capacitor. A first electrode of the capacitor is connected to a reference voltage terminal and a second electrode of the capacitor is connected to one of a source and a drain of the transistor. The semiconductor device is configured to put, when necessary, the other of the source and the drain of the transistor to the same potential as the one of the source and the drain, so that charge accumulated in the capacitor, which is connected to the one of the source and the drain of the transistor, does not leak through the transistor.

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First Claim

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Patent Owner(s)

  • SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsuzaki, Takanori Kanagawa, JP 147 1649

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