Auto-detect level shifter for multiple output voltage standards

Details Auto-detect level shifter for multiple output voltage standards Auto-detect level shifter for multiple output voltage standards

2005-12-27

2005-12-27

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S333000

Reexamination Certificate

active

06980035

ABSTRACT:
A technique and circuit implementation are described for automatically detecting a change in a power supply voltage and selectively reconfiguring a circuit for optimized performance at the changed voltage. One application of particular interest is an auto-detect level shifter. The auto-detect level shifter can be used in an output driver and can be automatically enabled if it is needed to optimize performance for various I/O standards, including those that operate at different voltages.

REFERENCES:
patent: 6051995 (2000-04-01), Pollachek
patent: 6373285 (2002-04-01), Konishi
patent: 6509765 (2003-01-01), Drost
patent: 6512401 (2003-01-01), Clark et al.
patent: 6696860 (2004-02-01), Lim et al.

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