Slew rate control for output signals

Details Slew rate control for output signals Slew rate control for output signals

2007-12-03

2009-12-01

Tan, Vibol (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S083000, C326S027000, C326S038000

Reexamination Certificate

active

07626423

ABSTRACT:
An output circuit allows the slew rate of its output signal to be selectively adjusted. The output driver circuit includes an output driver and pre-driver circuits. The output driver includes an output transistor coupled between a first supply voltage and the output terminal. The pre-driver circuit selectively adjusts a series resistance between the output transistor's gate and a second supply voltage in response to mode control signals.

REFERENCES:
patent: 6653873 (2003-11-01), Nguyen
patent: 6768363 (2004-07-01), Yoo et al.
patent: 6791356 (2004-09-01), Haycock et al.
patent: 7378878 (2008-05-01), Major
patent: 7405597 (2008-07-01), Pitkethly

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