Asynchronous processor arbitration circuit

Details Asynchronous processor arbitration circuit Asynchronous processor arbitration circuit

1988-02-23

1989-06-20

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

367514, 328109, 364200, G01R 19145, G06F 100

Patent

active

048411787

ABSTRACT:
The invention provides a circuit for arbitrating access to a common resource by a pair of processors using an asynchronous sequential logic circuit. A latch circuit is held in a pseudo-stable state until one or more requests are received from the processor and is then released to toggle to a stable state to allow one or the other of the requests. The grant signal to the selected processor is made available thereto only after a predetermined period of time which is larger than the time required to stabilize the latch circuit.

REFERENCES:
patent: 3444470 (1969-05-01), Bolt et al.
patent: 4375639 (1983-03-01), Johnson, Jr.
patent: 4398105 (1983-08-01), Keller
patent: 4620118 (1986-10-01), Barber
patent: 4757217 (1988-07-01), Sawada et al.

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