Triggerable flip-flop

Details Triggerable flip-flop Triggerable flip-flop

1977-11-11

1980-04-08

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307272A, 307279, 357 92, H03K 3286

Patent

active

041974700

ABSTRACT:
A triggerable bipolar flip-flop, such as an I.sup.2 L flip-flop, is comprised of a master stage, a slave stage, two logically-controlled current sources, and a clock-controlled current sink. The current source and current sink are coupled to the set and reset inputs of the master stage. When the clock signal is at one level, the current sink draws current from the set and reset inputs of the master stage, thereby disabling the master stage. When the clock signal is at a second level, the current sink turns off permitting the current source to enable the master stage. Logic signals control the current sources to selectively transmit current to the set or reset input of the master stage. Toggle, J-K, D, and pseudo D embodiments of the flip-flop may be provided.

REFERENCES:
patent: 3993918 (1976-11-01), Sinclair

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