Driver circuit with low power termination mode

Details Driver circuit with low power termination mode Driver circuit with low power termination mode

2007-04-03

2007-04-03

Tan, Vibol (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Bus or line termination

C327S108000, C327S321000

Reexamination Certificate

active

10811189

ABSTRACT:
Driver circuits and methods for operating driver circuits in automatic test equipment are provided. The driver circuit includes an output circuit operable in a dynamic mode and in a termination mode, and a mode control circuit for supplying a first current to the output circuit in the dynamic mode and for supplying a second current to the output circuit in the termination mode in response to a mode select signal. The mode control circuit may include a current multiplier and a switching circuit for switching a control current supplied to the current multiplier. In one example, the slew current supplied to the output circuit is controlled in response to the mode select signal.

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patent: 6642707 (2003-11-01), Iorga et al.
patent: 6759854 (2004-07-01), Logisch
patent: 6836136 (2004-12-01), Aghaeepour

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