Tristate driver circuit with low standby power consumption

Details Tristate driver circuit with low standby power consumption Tristate driver circuit with low standby power consumption

1983-09-19

1984-12-11

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307450, H03K 19094, H03K 1920, H03K 19017

Patent

active

044880677

ABSTRACT:
Improved tristate control circuitry is provided for a driver circuit formed on an integrated circuit chip. A parallel-connected combination of a depletion mode transistor and an enhancement mode transistor is connected in series in the voltage supply path for the driver circuit for controlling whether the driver circuit is in an active mode or a standby mode by controlling the supplying of operating voltage thereto. A further enhancement mode transistor provides a shunting action between the driver circuit side of the parallel-connected transistors and circuit ground to further aid in the control of the driver circuit operating mode.

REFERENCES:
patent: 4037114 (1977-07-01), Stewart et al.
patent: 4380709 (1983-04-01), Au
patent: 4425517 (1984-01-01), Smith
Burke, "Bipolar Three-State Driver", IBM Tech. Discl. Bull.; vol. 21, No. 7, pp. 2905-2906; 12/78.

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