Detector circuit for use with tri-state logic devices

Details Detector circuit for use with tri-state logic devices Detector circuit for use with tri-state logic devices

1994-11-01

1997-01-28

Westin, Edward P.

Electronic digital logic circuitry

Three or more active levels

With conversion

326 56, 326 59, H03K 190175

Patent

active

055981100

ABSTRACT:
A logic state detector that indicates a floating state of a tri-state logic circuit. The logic state detector generates first and second binary logic signals at a pair of output terminals. A first unique combination of the values of the output signals denotes that the input signal represents a logic low, a second unique combination denotes that the input signal represents a logic high, and a third unique combination denotes that the input signal is floating.

REFERENCES:
patent: 3969633 (1976-07-01), Paluck
patent: 4005315 (1977-01-01), Blauschild
patent: 4302690 (1981-11-01), Gollinger
patent: 5045728 (1991-09-01), Crafts
patent: 5124590 (1992-06-01), Liu
patent: 5194766 (1993-03-01), Sugawara

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