High performance level shift circuit with low input voltage

Details High performance level shift circuit with low input voltage High performance level shift circuit with low input voltage

2008-04-15

2008-04-15

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C326S081000, C365S189110

Reexamination Certificate

active

07358790

ABSTRACT:
A level shift circuit adds two NMOS transistors or two PMOS transistors between the NMOS transistors and PMOS transistors at the VP-side and the VN-side and connects the gates of the added transistors to the two output terminals. By this architecture, the level shift circuit of the present invention can successfully convert a small input voltage into a large output voltage with less DC current and/or without any additional bandgap circuit.

REFERENCES:
patent: 5933043 (1999-08-01), Utsunomiya et al.
patent: 6177824 (2001-01-01), Amanai
patent: 6249145 (2001-06-01), Tanaka et al.
patent: 6300796 (2001-10-01), Troutman et al.
patent: 6510089 (2003-01-01), Taura et al.
patent: 2001/0008381 (2001-07-01), Sakai et al.
patent: 2004/0169542 (2004-09-01), Kouzuma
patent: 2005/0285659 (2005-12-01), Kanno et al.

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