CMOS output driver

Details CMOS output driver CMOS output driver

1990-08-08

1991-04-16

Callahan, Timothy P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307263, 307270, 307475, H03K 19003

Patent

active

050085689

ABSTRACT:
A transistor configured as a capacitor is connected between the gate and drain of an output, pull-down transistor to limit the rate of change (di/dt) of the current conducted through the pull-down transistor during the turn-on of the transistor to limit ground bounce (transients). Drive for the pull-down transistor is provided, in part, by a NOR gate, the transistors of which are sized to provide a finite resistive to the pull-down transistor. Additional drive for the pull-down transistor is provided by a transistor connected to function as a resistive pull-up between the gate and the drain of the pull-down transistor.

REFERENCES:
patent: 4622482 (1986-11-01), Ganger
patent: 4638187 (1987-01-01), Boler et al.
patent: 4737667 (1988-04-01), Tihanyi
patent: 4777389 (1988-10-01), Wu et al.
patent: 4785201 (1988-11-01), Martinez
patent: 4906867 (1990-03-01), Petty

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