Logic circuits incorporating a dual function input

Details Logic circuits incorporating a dual function input Logic circuits incorporating a dual function input

1977-07-08

1979-09-11

Atkinson, Charles E.

Communications: electrical

Digital comparator systems

307207, 307209, G06F 1110

Patent

active

041677277

ABSTRACT:
A dual function capability is incorporated into one input of an emitter coupled logic gate to allow a user to selectively enable the logic circuit to operate in a multifunction mode. The dual function input can recognize both normal binary voltage levels and operate as a conventional input for digital information, and also recognize voltage levels not within the normal binary voltage levels and modify the circuit function correspondingly.

REFERENCES:
patent: 3671764 (1972-06-01), Maley et al.
patent: 3780316 (1973-12-01), Wilhelm
patent: 3818202 (1974-06-01), Ellison
patent: 3914590 (1975-10-01), Irwin et al.
patent: 3965367 (1976-06-01), Mei
patent: 4031410 (1977-06-01), Kikuchi

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