Counter device and method of operating the same

Details Counter device and method of operating the same Counter device and method of operating the same

1993-08-05

1994-08-16

Wambach, Margaret Rose

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

Systems

Comparing counts

365200, 36523008, 365236, G11C 800

Patent

active

053393449

ABSTRACT:
A counter device having a jumping function includes a counter circuit for counting clock pulses, a circuit for setting a jump starting count, a circuit for setting the number of bits to be jumped, a detecting circuit for detecting equality/unequality between a count of the counter circuit and the Jump starting count as set, and a circuit for modifying the count of the counter circuit by the number of bits to be jumped in response to equality detection by the detecting circuit. The modifying circuit varies the count in the same direction as a direction of variation of the count provided by the counter circuit. This construction realizes a counting function which jumps a desired count or counts from a selected count.

REFERENCES:
patent: 4193255 (1980-03-01), Ebihara et al.
patent: 4566111 (1986-01-01), Tanagawa
patent: 4873666 (1989-10-01), Lefebvre et al.
patent: 4989181 (1991-01-01), Harada
patent: 5164969 (1992-11-01), Alley et al.
patent: 5233610 (1993-08-01), Nakayama et al.
patent: 5255238 (1993-10-01), Ichige et al.
Neil H. E. Weste et al., "Principles of CMOS VLSE Design, A Systems Perspective", FIG. 8-15, Addison-Wesley Publishing Company (1985), pp. 335-336.

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