Level-shifter circuit properly operable with low voltage input

Details Level-shifter circuit properly operable with low voltage input Level-shifter circuit properly operable with low voltage input

2005-09-06

2005-09-06

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S089000, C327S534000

Reexamination Certificate

active

06940317

ABSTRACT:
A semiconductor integrated circuit includes first and second field-effect transistors which have on/off states thereof being controlled by an incoming signal varying within a first potential range, third and fourth field-effect transistors which are controlled by the on/off states of the first and second filed-effect transistors, a node from which an output signal varying within a second potential range is output according to the on/off states of the first through fourth field-effect transistors, and a control circuit which controls a substrate-bias potential of the first field-effect transistor in response to the incoming signal.

REFERENCES:
patent: 6252429 (2001-06-01), Assaderaghi et al.
patent: 4-70007 (1992-03-01), None
patent: 6-37624 (1994-02-01), None
patent: 10-11989 (1998-01-01), None

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