Counter having a plurality of cascaded flip-flops

Details Counter having a plurality of cascaded flip-flops Counter having a plurality of cascaded flip-flops

1982-05-14

1985-01-08

Heyman, John S.

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

Starting, stopping, presetting or resetting the counter

377114, 377115, H03K 2132, H03K 2134

Patent

active

044930950

ABSTRACT:
An improved counter wherein consecutively cascaded flip-flops of the prior art are divided into two groups. A first detector produces a first signal in response to a predetermined set of flip-flop states of the first group. A second detector produces a second signal in response to a predetermined set of flip-flop states of the second group. A third detector produces a count output in response to simultaneous existence of the first and second signals. The output from the first group is arranged in phase so that the second signal may be produced before the count output is produced, by applying an inverted output of the first group to the input of the second group.

REFERENCES:
patent: 3631350 (1971-12-01), Drake

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