Input/output driver circuit for isolating with minimal power con

Details Input/output driver circuit for isolating with minimal power con Input/output driver circuit for isolating with minimal power con

1995-11-08

1996-10-01

Wambach, Margaret Rose

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327544, 327564, 327566, H03K 300

Patent

active

055613845

ABSTRACT:
Within an integrated circuit, an input/output driver circuit is provided. The input/output driver circuit is configured to provide electrical isolation and power savings when the integrated circuit is configured into a computer system such as a personal information device. By providing a mechanism permitting removal of power from the driver circuit, the integrated circuit inhibits current flow from the integrated circuit into a powered-down peripheral device. A force term is activated, when electrical isolation is desired, to inhibit current flow into or from the integrated circuit via an input/output pad voltage level. A power savings is enabled by allowing the power down of peripheral devices coupled to the integrated circuit without the need for external buffer circuits.

REFERENCES:
patent: 5450027 (1995-09-01), Gabara

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