Voltage level conversion circuit

Details Voltage level conversion circuit Voltage level conversion circuit

2005-05-19

2008-05-13

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C326S081000

Reexamination Certificate

active

07372314

ABSTRACT:
A voltage level conversion circuit is provided with a level converter for converting a VDD1system input signal into a VDD2system signal, and a NOT circuit for inverting the level-converted input signal and outputting the inverted signal, and the outputs of VDD1system NOT circuits constituting the level converter are input to only high breakdown voltage transistors in the level converter while a signal having a logical voltage level corresponding to the low power supply voltage VDD2is input to low breakdown voltage transistors, and further, only the input signal level-converted by the level converter is input to the NOT circuit.

REFERENCES:
patent: 6236256 (2001-05-01), Brownlow et al.
patent: 6384808 (2002-05-01), Azami
patent: 6501301 (2002-12-01), Taguchi
patent: 6566932 (2003-05-01), Yoon
patent: 6717453 (2004-04-01), Aoki
patent: 6809554 (2004-10-01), Wada
patent: 5-14174 (1993-01-01), None

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