Level shifter reference generator

Details Level shifter reference generator Level shifter reference generator

2005-08-02

2005-08-02

Patel, Rajnikant B. (Department: 2838)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S427000, C326S063000, C326S080000

Reexamination Certificate

active

06924689

ABSTRACT:
A core voltage to input output voltage level shifter of the type that uses a reference voltage source to generate a reference voltage to limit a drain voltage on at least one voltage sensitive node connected to a voltage sensitive switching device, that resides on a high voltage domain. A feed back line runs from the voltage sensitive node to the reference voltage source. A feed back structure varies the reference voltage in response to the drain voltage on the at least one voltage sensitive node, and thereby maintains the drain voltage at a substantially constant desired value.

REFERENCES:
patent: 5397979 (1995-03-01), Yamamoto
patent: 6556061 (2003-04-01), Chen et al.
patent: 6630859 (2003-10-01), Wang

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