Fast synchronous counter

Details Fast synchronous counter Fast synchronous counter

1997-11-25

2000-07-18

Callahan, Timothy P.

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

Particular transfer means

Including logic circuit

377106, 377107, 377114, 327142, 327265, H03K 2116

Patent

active

060917946

ABSTRACT:
A synchronous counter circuit having a plurality of bit counting stages, each corresponding to a bit position for representing counts, from a least significant bit to a most significant bit. Each bit counting stage includes a flip-flip circuit and a synchronization circuit and each includes circuitry for receiving a pulse train clock signal, synchronously counting said clock signal and outputting an output bit signal corresponding to said counters' stage bit position. The bit counting stages are arranged in two groups, a reset group and a counting group, such that the output bit signal of said flip-flop circuit of the reset group synchronizes data propagation between each bit counting stage of the counting group.

REFERENCES:
patent: 3600686 (1971-08-01), Halsall

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