Flip-flop circuit and oscillator

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United States of America Patent

PATENT NO 11349461
APP PUB NO 20210184662A1
SERIAL NO

17123891

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A flip-flop circuit includes gate circuits of which the number is N being an integer of 3 or more, and in which an output signal from the (N−1)th gate circuit is used as an input signal of the N-th gate circuit, the gate circuit being configured to output the output signal in response to a clock signal and the input signal. The N gate circuits include a first MOS transistor group including MOS transistors which are in an OFF state when a potential of an output signal node that outputs the output signal is held, and a second MOS transistor group including MOS transistors which are in an ON state when the potential of the output signal node is held. A threshold voltage of at least one MOS transistor in the first MOS transistor group is higher than a threshold voltage of at least one MOS transistor in the second MOS transistor group.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furuya, Yasunari Fujimi, JP 16 98

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