Pre-driver having slew-rate and crowbar-current controls for...

Electronic digital logic circuitry – Signal sensitivity or transmission integrity – Output switching noise reduction

Reexamination Certificate

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Details

C326S026000, C326S083000, C327S108000, C327S112000, C327S170000, C327S207000

Reexamination Certificate

active

07449913

ABSTRACT:
An output buffer having slew-rate control and crossbar current control includes a pull-up PMOS transistor, a pull-down NMOS transistor, a pull-up network coupled to the gate of the pull-up PMOS transistor, and a pull-down network coupled to the gate of the pull-down NMOS transistor.

REFERENCES:
patent: 5231311 (1993-07-01), Ferry
patent: 5623216 (1997-04-01), Penza et al.
patent: 6225844 (2001-05-01), Fujiwara
patent: 6265982 (2001-07-01), Ostwald
patent: 6459325 (2002-10-01), Hall
patent: 6570414 (2003-05-01), Eker
patent: 6653873 (2003-11-01), Nguyen
patent: 6870391 (2005-03-01), Sharpe-Geisler
patent: 6992511 (2006-01-01), Suzuki
patent: 7019551 (2006-03-01), Biesterfeldt
patent: 7208984 (2007-04-01), Petrofsky

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