Browse Prior Art Database

Tri-State Driver

IP.com Disclosure Number: IPCOM000061609D
Original Publication Date: 1986-Aug-01
Included in the Prior Art Database: 2005-Mar-09
Document File: 2 page(s) / 36K

Publishing Venue

IBM

Related People

Ahmed, S: AUTHOR [+2]

Abstract

The disclosed tri-state driver circuit provides control of the driver dI/dt's and DV/dt's in the active switching mode as well as when entering or exiting the high impedance state. The circuit is a 3.4-volt (Vcc) tri-state driver capable of achieving 18 simultaneous switchings. The dV/dt's and dI/dt's are controlled in both push-pull and tri-state applications by the use of the resistor R5 in falling transition, at the output, and by resistors R4 and R11 at the rising transition. Beta degradation problems are resolved satisfactorily by the use of transistor T10 and diodes T11 and T12.

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Tri-State Driver

The disclosed tri-state driver circuit provides control of the driver dI/dt's and DV/dt's in the active switching mode as well as when entering or exiting the high impedance state. The circuit is a 3.4-volt (Vcc) tri-state driver capable of achieving 18 simultaneous switchings. The dV/dt's and dI/dt's are controlled in both push-pull and tri-state applications by the use of the resistor R5 in falling transition, at the output, and by resistors R4 and R11 at the rising transition. Beta degradation problems are resolved satisfactorily by the use of transistor T10 and diodes T11 and T12.

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