Off-chip driver circuit

Details Off-chip driver circuit Off-chip driver circuit

1995-09-28

1998-03-24

Westin, Edward P.

Electronic digital logic circuitry

Interface

Current driving

326 80, 326 68, 327109, H03K 19085, H03K 190175

Patent

active

057317143

ABSTRACT:
An off-chip driver circuit can operate in an output mode to drive a signal supplied at its input terminals to an output terminal. It can also operate in an input mode in which signals are driven from an external circuit via the output terminal onto the chip. In an output mode, the output terminal is clamped to reduce the effect of overshoot voltages, for example as a result of reflections from the external circuits.

REFERENCES:
patent: 3995171 (1976-11-01), Sonoda
patent: 5103118 (1992-04-01), Petersom
patent: 5151619 (1992-09-01), Austin et al.
patent: 5345113 (1994-09-01), Peterson
patent: 5406140 (1995-04-01), Wert et al.
patent: 5534795 (1996-07-01), Wert et al.
patent: 5552719 (1996-09-01), Murakami
patent: 5576635 (1996-11-01), Partovi et al.
IBM Technical Disclosure Bulletin, Mixed Technology Overvoltage Protection, vol. 34, No. 4B, Sep. 1991, pp. 147-149.

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