Signal routing circuits having selective high impedance and low

Details Signal routing circuits having selective high impedance and low Signal routing circuits having selective high impedance and low

1998-08-26

2000-07-11

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Diverging with single input and plural outputs

327400, 327415, H03K 1762

Patent

active

060878878

ABSTRACT:
A dual-purpose transmission circuit capable of receiving two or more signals or voltages, or a signal and a voltage, using one input pad, and an input method using the circuit. The dual-purpose transmission circuit includes an internal signal line for transmitting a signal to the inside of the semiconductor device, an internal voltage line for transmitting a voltage to the inside of the semiconductor device, a first transmission portion for connecting the internal signal line to the outside of the semiconductor device in response to a control signal, in a signal input mode, and a second transmission portion for connecting the internal voltage line to the outside of the semiconductor device in response to the control signal, in a voltage input mode.

REFERENCES:
patent: 3588540 (1971-06-01), Bohn
patent: 3602738 (1971-08-01), Bohm
patent: 5327018 (1994-07-01), Karlish et al.
patent: 5378950 (1995-01-01), Takamoto et al.
patent: 5477184 (1995-12-01), Uda et al.
patent: 5497118 (1996-03-01), Ueno et al.

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