Level shifter without DC current flow

Details Level shifter without DC current flow Level shifter without DC current flow

2006-04-25

2006-04-25

Cho, James H. (Department: 2819)

Electronic digital logic circuitry

Interface

Logic level shifting

C326S081000

Reexamination Certificate

active

07034573

ABSTRACT:
A level shifter has a current mirror and a set of oppositely driven NMOS switch. A voltage holding module is added to help an output of the level shifter to work with a full-swing fashion. Additionally, a DC current switch is used to eliminate a DC current.

REFERENCES:
patent: 5469080 (1995-11-01), Son
patent: 5675278 (1997-10-01), Tanaka et al.
patent: 5914617 (1999-06-01), Bartlett
patent: 6480050 (2002-11-01), Barnes
patent: 2004/0061525 (2004-04-01), Tamaki

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