Data output buffer circuit for semiconductor integrated circuit

Details Data output buffer circuit for semiconductor integrated circuit Data output buffer circuit for semiconductor integrated circuit

1990-12-13

1993-03-16

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307448, 307475, 307481, H03K 19094

Patent

active

051947641

ABSTRACT:
A data output buffer circuit for a semiconductor integrated circuit has a plurality of output buffer circuits. Each output buffer circuit has an input terminal for receiving input data and an output buffer having first and second switching circuits serially connected between two high and low power source terminals. Each of the first and second switching circuits has a control terminal for turning on and off each of the first and second switching circuits upon receipt of a control signal at the control terminals. A timing signal input terminal receives a timing signal with which the output buffer circuit operates in synchronism. A timing switch connects the next stage of the input terminal and is turned on by the timing signal. A delay signal is connected between the timing switch means and the control terminals of the first and second switching circuits and delays the input data from the input terminal and transmits the delayed input data to the control terminals of the first and second switching circuits. The delay time of the delay circuit of one of the output buffer circuits is different from the delay time of another of the output buffer circuits. An output terminal connects to the interconnection between the first and second switching circuits.

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