Semiconductor large scale integrated circuit with noise cut circ

Details Semiconductor large scale integrated circuit with noise cut circ Semiconductor large scale integrated circuit with noise cut circ

1987-03-13

1988-08-02

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307555, 307557, 307443, H03K 500, H03B 104

Patent

active

047615729

ABSTRACT:
In a semiconductor large scale integrated circuit including a plurality of input terminals, sequential circuits and output buffer circuits, and further comprising a noise cut circuit, the semiconductor large scale integrated circuit comprises: a sense amplifier connected to an input terminal of the output buffer circuit for detecting a change of signal level at the input terminal and for generating an edge detection signal; a pluse generator connected to the sense amplifier for outputting a trigger pulse signal having a predetermined pulse width based on a plurality of the edge detection signals; and at least one tri-state circuit connected between the input terminal and the sequential circuit, and having a control terminal for receiving the trigger pulse signal for obtaining a high impedance state at an output line of the tri-state circuit during a predetermined period based on the trigger pulse signal input from the pulse generator.

REFERENCES:
patent: 4110698 (1978-08-01), Petrie
patent: 4255712 (1981-03-01), Petrie
patent: 4587445 (1986-05-01), Kanuma
patent: 4667337 (1987-05-01), Fletcher

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