Output circuit for a semiconductor device

Details Output circuit for a semiconductor device Output circuit for a semiconductor device

1997-07-11

1999-07-20

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 81, 327 63, 327 72, H03K 5153

Patent

active

059260432

ABSTRACT:
An output circuit for a semiconductor device that outputs an output voltage based on a received external signal. The output circuit has an interface that receives the external signal, and a comparing unit that compares the external signal with a plurality of predetermined threshold voltages. The comparing unit outputs a voltage driving signal based on the comparison results. Also, the output circuit has an output unit that outputs the output voltage based on the voltage driving signal from the comparing unit.

REFERENCES:
patent: 3675238 (1972-07-01), Butscher
patent: 4183016 (1980-01-01), Sawagata
patent: 4498040 (1985-02-01), Tatsushi
patent: 5254883 (1993-10-01), Horowitz et al.
patent: 5305282 (1994-04-01), Choi
patent: 5402063 (1995-03-01), Kim
patent: 5729172 (1998-03-01), Tsukada

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