Electrical pulse counters – pulse dividers – or shift registers: c – Particular transfer means – Including logic circuit
Patent
1981-06-15
1983-07-19
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Particular transfer means
Including logic circuit
377114, 377108, 377121, 377122, H03K 2136, H03K 2110, H03K 2308
Patent
active
043947697
ABSTRACT:
The ring counter of this invention is self-initializing and is operable at a clock frequency corresponding to four gate delays and comprises a plurality of master of slave flip-flops, in which this high speed capability is attained by using non-inverting feedback between the first and last flip-flops and by operating the master and slave of each in complementary fashion without requiring the use of a complementary clock signal. The non-inverting feedback takes advantage of the inherent delay between the response of the complementary outputs of each flip-flop.
REFERENCES:
patent: 3943379 (1976-03-01), McGuffin
patent: 4224574 (1980-09-01), Shaw
Bethurum W. J.
Heyman John S.
Hughes Aircraft Company
Karambelas A. W.
Wallace R. M.
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