Bootstrap circuit suitable for buffer circuit or shift register

Details Bootstrap circuit suitable for buffer circuit or shift register Bootstrap circuit suitable for buffer circuit or shift register

1997-10-07

1999-09-07

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Signal transmission integrity or spurious noise override

327589, 326 88, H03K 1716

Patent

active

059492716

ABSTRACT:
A potential across an output terminal (OUT) is applied to a node N2 through a transistor (Tr66) even when a potential across a node N1 is higher than a power source voltage Vdd due to a bootstrap effect. Accordingly, the potentials between the drain and the source electrodes are not higher than the power source voltage Vdd for both a transistor (Tr62) and the transistor (Tr66). This allows circuit designing without setting the withstand voltage for the transistor over the power source voltage Vdd.

REFERENCES:
patent: 4443720 (1984-04-01), Takamae
patent: 4689505 (1987-08-01), Ghoshal
patent: 5680071 (1997-10-01), Senoh et al.
patent: 5818258 (1998-10-01), Choi
patent: 5828262 (1998-10-01), Rees

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