Full-swing buffer circuit with charge pump

Details Full-swing buffer circuit with charge pump Full-swing buffer circuit with charge pump

1997-03-07

1999-03-02

Tokar, Michael

Electronic digital logic circuitry

Interface

Current driving

326 88, H03K 190185

Patent

active

058776354

ABSTRACT:
A buffer circuit for generating full-swing output is disclosed. The circuit includes a pull-up circuit for transferring a supply voltage to an output line in response to a first state of an input signal. A pull-down circuit is used to pull the output line down to a ground in response to a second state of the input signal. A control circuit is used to activate only one of the pull-up circuit and the pull-down circuit respectively in response to the first state and the second state of the input signal. Further, a charge-pump circuit responsive to the input signal and a clock signal is used to generate a charge-pump voltage to an input of the pull-up circuit so that the supply voltage is transferred to the output line.

REFERENCES:
patent: 5241502 (1993-08-01), Lee et al.
patent: 5281869 (1994-01-01), Lundberg
patent: 5301097 (1994-04-01), McDaniel
patent: 5369317 (1994-11-01), Casper et al.
patent: 5483179 (1996-01-01), Dhong et al.
patent: 5546020 (1996-08-01), Lee et al.
patent: 5559452 (1996-09-01), Saito

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