Method and apparatus to linearize output buffer and on-chip...

Details Method and apparatus to linearize output buffer and on-chip... Method and apparatus to linearize output buffer and on-chip...

2007-08-14

2007-08-14

Barnie, Rexford (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S086000, C326S113000, C327S109000, C327S333000

Reexamination Certificate

active

10387723

ABSTRACT:
A driver circuit that outputs a data signal uses feedback of the data signal to the driver circuit to modulate a drive strength of the driver circuit. The driver circuit has a pull-up driver stage and a pull-down driver stage. The pull-up driver stage uses a pull-up control circuit to modulate a drive strength of the pull-up driver stage dependent on a voltage of the data signal. The pull-down driver stage uses a pull-down control circuit to modulate a drive strength of the pull-down driver stage dependent on the voltage of the data signal.

REFERENCES:
patent: 6177819 (2001-01-01), Nguyen
patent: 6351148 (2002-02-01), Lee
patent: 6441653 (2002-08-01), Spurlin
patent: 6483349 (2002-11-01), Sakata et al.
patent: 6646488 (2003-11-01), Ajit

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