Operating voltage adapting buffer

Details Operating voltage adapting buffer Operating voltage adapting buffer

1998-07-15

2000-08-29

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327312, 327313, 327319, 327321, H03L 500

Patent

active

061114502

ABSTRACT:
The present invention provides an integrated circuit having an operating voltage adaptable buffer, capable of operating in different voltage signaling environments, which includes a control circuit that provides a clamping function to the signaling path under prescribed operating conditions and which also reliably biases the p-type transistor substrate voltage of the buffer to the most positive voltage seen by the buffer under all operating conditions occurring on the signaling path, thereby protecting the p-type transistors.

REFERENCES:
patent: 5510749 (1996-04-01), Arimoto
patent: 5677642 (1997-10-01), Rehm et al.
patent: 5914626 (1999-06-01), Kim et al.
patent: 5929686 (1999-07-01), Itou
PCI Local Bus Specification; Revision 2.1; Jun. 1, 1995.
PCI Local Bus; PCI to PCI Bridge Architecture Specification; Revision 1.0; Apr. 5, 1994.

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