Output driver for controlling slew rate in a semiconductor...

Details Output driver for controlling slew rate in a semiconductor... Output driver for controlling slew rate in a semiconductor...

2006-05-30

2006-05-30

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S170000, C326S083000

Reexamination Certificate

active

07053679

ABSTRACT:
Disclosed is an output driver for a semiconductor device with an improved slew rate. The output driver comprises a first pre-driver receiving a first signal so as to output a second signal in which a slew rate is controlled, a second pre-driver receiving a third signal so as to output a fourth signal in which a slew rate is controlled, and a pull-up transistor and a pull-down transistor connected in series between a power supply voltage and a ground voltage. The pull-up transistor is turned on and/or off by the second signal, and the pull-down transistor is turned on and/or off by the fourth signal.

REFERENCES:
patent: 6304120 (2001-10-01), Taito
patent: 026231 (1999-04-01), None

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