High speed state machine

Details High speed state machine High speed state machine

1988-06-06

1989-10-10

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072722, 307440, 307291, 365154, H03K 3284, H03K 329

Patent

active

048734560

ABSTRACT:
A state element having a pair of parallel-connected, inversely-enabled latches forms the basic state-machine building block. A flip-latch is formed by combining this basic element with a multiplexer for selectively outputting alternate outputs of the latches. A litch-latch is formed by using the basic element alone with the two inputs fed from one of a pair of identical logic elements and feeding back the output from each latch to the logic element from which the input is not received. Other outputs of the logic elements are input into a multiplexer for alternately selecting the outputs from the respective logic elements to be the state machine output. These state elements function similarly to a flip-flop but generally produce less propagation delay and require a lower clocking signal frequency for a given state frequency.

REFERENCES:
patent: 3783254 (1974-01-01), Eichelberger
patent: 4786829 (1988-11-01), Letcher
patent: 4806786 (1989-02-01), Valentine
"Engineering Approach to Digital Design", William Fletcher Prentice-Hall Inc., 1980, pp. 314-325.

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