Voltage spike detection circuit for use in detecting clock edge

Details Voltage spike detection circuit for use in detecting clock edge Voltage spike detection circuit for use in detecting clock edge

1991-07-17

1992-06-30

Pascal, Robert J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307480, H03K 1900

Patent

active

051265940

ABSTRACT:
A voltage spike detection circuit for use in detecting clock edge transitions utilizes a voltage change detection circuit (16) and a voltage spike latching circuit (18). The voltage change detection circuit (16) provides an output pulse in response to each edge transition of a serial communication clock, including an edge caused by a noise spike on the serial communication clock. In response to receiving the output pulse of the voltage change detection circuit (16), the voltage spike latching circuit (18) provides an active system interrupt signal to a serial communication system. When the serial communication system receives the active system interrupt signal, the serial communication system momentarily activates a system reset signal and re-communicates the serial communication data.

REFERENCES:
patent: 4614973 (1986-09-01), Sorenson
patent: 4691124 (1987-09-01), Ledzius et al.
patent: 4864160 (1989-09-01), Abdoo
patent: 4929854 (1990-05-01), Iino et al.
patent: 5036221 (1991-07-01), Brucculeri et al.

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