Level shifter circuit

Details Level shifter circuit Level shifter circuit

2011-04-12

2011-04-12

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C326S063000, C326S080000

Reexamination Certificate

active

07924080

ABSTRACT:
A level shifter circuit converts a signal generated by an internal circuit which operates with a first power supply, into a signal by a second power supply having voltage higher than that of the first power supply. The voltages at substrate terminals of two NMOS transistors, to which complementary two signals by the first power supply are input, is boosted to voltage higher than circuit ground potential in a period in which a voltage level of one of the two input signals and a voltage level of an output signal by the second power supply do not coincide with each other.

REFERENCES:
patent: 6940317 (2005-09-01), Suga
patent: 7414453 (2008-08-01), Tachibana et al.
patent: 7511553 (2009-03-01), Nuebling
patent: 2000-174610 (2000-06-01), None
patent: 2000-286694 (2000-10-01), None
patent: 2006-129481 (2006-05-01), None
patent: 2006-135712 (2006-05-01), None
patent: 2007-201704 (2007-08-01), None
patent: 2008-283545 (2008-11-01), None

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