Semiconductor device using two types of power supplies...

Details Semiconductor device using two types of power supplies... Semiconductor device using two types of power supplies...

2006-06-20

2006-06-20

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S333000, C365S185230, C365S189110, C365S227000

Reexamination Certificate

active

07064589

ABSTRACT:
A semiconductor device which is driven by a first potential, a second potential lower than the first potential, and a third potential lower than the second potential includes a first Pch transistor and a first Nch transistor connected in series between the first potential and the third potential, a second Pch transistor having a drain node thereof connected to a gate node of the first Nch transistor, and a second Nch transistor having a source node thereof connected to a source node of the second Pch transistor, wherein the drain node and gate node of the second Nch transistor are fixed to the second potential and the first potential, respectively.

REFERENCES:
patent: 5398207 (1995-03-01), Tsuchida et al.
patent: 5490119 (1996-02-01), Sakurai et al.
patent: 5930170 (1999-07-01), Kunst et al.
patent: 6031779 (2000-02-01), Takahashi et al.
patent: 6292424 (2001-09-01), Ohsawa
patent: 05334875 (1993-12-01), None
patent: 10284705 (1998-10-01), None
patent: 200090663 (2000-03-01), None

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