Circuit indicating the phase relation between several signals ha

Details Circuit indicating the phase relation between several signals ha Circuit indicating the phase relation between several signals ha

1994-10-03

1996-10-22

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By phase

327 19, 327244, 327146, 327153, 327276, H03K 513, H03L 700

Patent

active

055680720

ABSTRACT:
A circuit, indicating the first or last signal activated among n signals, includes flip-flops respectively associated with pairs of signals, a first signal of each pair being applied to a reset input of a flip-flop and a second signal of each pair being applied to a set input. Logic gates are respectively associated with each considered signal and are connected to indicate whether the considered signal is the first or the last activated signal when the flip-flops associated with all the pairs of signals including the considered signal are at respective suitable states once the first or last signal is activated.

REFERENCES:
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patent: 4639615 (1987-01-01), Lee et al.
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patent: 5164677 (1992-11-01), Hawkins et al.
patent: 5216302 (1993-06-01), Tanizawa
patent: 5338990 (1994-08-01), Lou
patent: 5416444 (1995-05-01), Yamauchi et al.
IBM Technical Disclosure Bulletin, vol. 30, No. 11, Apr. 1988 Armonk, US pp. 394-396 "Low-Cost Clock Generation Circuit".

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