BiCMOS output driver with reduced static power consumption

Electronic digital logic circuitry – Interface – Current driving

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Details

326 86, 326 18, H03K 19082, H03K 190948

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active

055700446

ABSTRACT:
A BiCMOS power driver circuit for interfacing to a bus comprises circuitry for channelling current from a power source to the base of a bipolar device to pull the output all the way down to within a bipolar V.sub.SAT voltage drop of ground, and then uses feedback to turn-off the pull-down circuit to conserve power. A similar circuit functions to provide Incident Wave Switching and Glitch Suppression by monitoring the voltage level at the output and sinking current as necessary to maintain a low logic level.

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patent: 5105103 (1992-04-01), Neu
patent: 5118972 (1992-06-01), Wissel et al.
patent: 5173623 (1992-12-01), Chau et al.
patent: 5243571 (1993-09-01), Brossard
IBM Techn. Discl. Bull. vol. 35, No. 1B, pp. 196-197; Jun. 1992.

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