Signal output circuit included in bus driving integrated circuit

Details Signal output circuit included in bus driving integrated circuit Signal output circuit included in bus driving integrated circuit

1990-11-28

1992-04-21

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307451, 307456, 307570, 307473, H03K 1920, H03K 19094

Patent

active

051071436

ABSTRACT:
A first Schottky barrier type NPN transistor for pulling up an output signal and a second Schottky barrier type NPN transistor for pulling down an output signal are connected, in a totem pole configuration, between the nodes of power source potential and ground potential, a connecting point of these NPN transistors is connected to an output terminal. A resistor and a Schottky diode are connected in series between the node of the power source potential and the collector of the first NPN transistor. The collector of a third Schottky barrier type NPN transistor for driving the first NPN transistor is connected to a connecting point of the resistor and the Schottky diode, and the emitter of the third NPN transistor is connected to the base of the first NPN transistor. A resistor is connected between the base and emitter of the first NPN transistor.

REFERENCES:
patent: 4801825 (1989-01-01), Stanley et al.

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