Apparatus and method for implementing a tri-state signal driver

Details Apparatus and method for implementing a tri-state signal driver Apparatus and method for implementing a tri-state signal driver

1997-09-17

1999-11-30

Sheikh, Ayaz R.

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

710100, 340825, 370229, 370351, 370465, G06F 1300

Patent

active

059960396

ABSTRACT:
A tri-state signal driver circuit includes a signal driver circuit to generate a driven signal. A tri-state enable logic circuit generates a pass gate disable signal corresponding to a tri-state command signal. A demultiplexer connected to the signal driver circuit and the tri-state enable logic circuit includes a set of pass gate switches to route the driven signal to a selected output node of the demultiplexer. The set of pass gate switches are responsive to the pass gate disable signal so as to produce a tri-state output signal at the selected output node.

REFERENCES:
patent: 4872137 (1989-10-01), Jennings, III
patent: 5657455 (1997-08-01), Gates et al.

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