Output buffer circuit with adjustable driving capability

Details Output buffer circuit with adjustable driving capability Output buffer circuit with adjustable driving capability

1998-05-04

2000-08-01

Tokar, Michael

Electronic digital logic circuitry

Interface

Current driving

326 87, 326 47, H03K 190175

Patent

active

06097219&

ABSTRACT:
An output buffer circuit drives an output terminal of an integrated circuit by means of at least two buffer circuits. A buffer control circuit in the output buffer circuit selectively enables or disables the buffer circuits to provide a driving capability suitable for the load connected to the output terminal. The buffer control circuit can decide which buffer circuits to disable by sensing the transition time of a signal output from the output terminal following a reset.

REFERENCES:
patent: 5621335 (1997-04-01), Andresen
patent: 5804987 (1998-09-01), Ogawa et al.

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