High speed frequency divide-by-5 circuit

Details High speed frequency divide-by-5 circuit High speed frequency divide-by-5 circuit

1986-05-23

1987-10-27

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Starting, stopping, presetting or resetting the counter

Counter chains with a radix or base other than the number...

377 34, 377116, 377 33, 377 47, H03K 2370

Patent

active

047034955

ABSTRACT:
An improved, high-speed frequency divider circuit (32) is presented. The frequency divider circuit (32) is comprised of three D-type flip-flops (34, 36 38). The three flip-flops (34, 36, 38) are clocked synchronously for higher speed of operation. The design of the frequency divider circuit (32) embodies a sagacious state assignment to minimize the number of bits that change state on any given state transition, thus reducing the possibility of faulty circuit operation.

REFERENCES:
patent: 3105195 (1963-09-01), Tarczy-Hornoch
patent: 3241033 (1966-03-01), Peaslee et al.
patent: 3530284 (1970-09-01), Wood
patent: 3902125 (1975-08-01), Oliva
patent: 3962701 (1976-06-01), Heimbigner
patent: 4366394 (1982-12-01), Clendening et al.
patent: 4390960 (1983-06-01), Vamashita et al.
patent: 4606059 (1986-08-01), Oida

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