Loadable ripple counter

Details Loadable ripple counter Loadable ripple counter

1988-03-07

1990-01-02

Heyman, John S.

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

Particular input circuits for counter

377116, 377107, H03K 2102

Patent

active

048918270

ABSTRACT:
A loadable N-bit ripple counter having N bit subcircuits that each inlude a flip-flop and a bit loading element. The flip-flop output is controllable to a known state when a flip-flop control signal is asserted. The bit loading element is connected to receive the flip-flop output and a bit input of a multibit number being loaded and to provide a bit output of the counter, the bit output being controlled by the states of the flip-flop output and the bit input, and, except for the most significant bit, serving as a clock for the next more significant bit subcircuit.

REFERENCES:
patent: 4037085 (1977-07-01), Minorikawa
patent: 4521898 (1985-06-01), Akram
patent: 4611337 (1986-09-01), Evans
patent: 4727559 (1988-02-01), Yokoyama et al.
Millman, Microelectronics, (McGraw-Hill 1979), pp. 220-222.

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