Output protection circuit for preventing a reverse current

Details Output protection circuit for preventing a reverse current Output protection circuit for preventing a reverse current

1982-08-13

1984-09-11

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307454, 307549, H03K 1716, H03K 1760

Patent

active

044712375

ABSTRACT:
In an integrated circuit in which an output transistor connected between an output terminal and a point of reference potential normally conducts current in one direction between the output terminal and the reference point and in which a potential may be developed at the output terminal causing a reverse current (i.e. one of opposite direction to the one direction) between the reference and the output terminal through the substrate, circuitry is coupled to the output terminal which is responsive to values of reverse potential at the output terminal for providing a control current at the output terminal and for holding its voltage at a value which limits the flow of reverse current.

REFERENCES:
patent: 3699362 (1972-10-01), Jordan
patent: 3704383 (1972-11-01), Ault et al.
patent: 3727072 (1973-04-01), Madrazo et al.
patent: 3974404 (1976-08-01), Davis
patent: 4413194 (1983-11-01), Birch

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