Semiconductor device with resistor element

Details Semiconductor device with resistor element Semiconductor device with resistor element

2006-05-30

2006-05-30

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S541000

Reexamination Certificate

active

07053696

ABSTRACT:
A semiconductor device includes first, second, third and fourth resistor elements. The first to fourth resistor elements have first ends commonly connected to a first node, and operate in one of first and second operation modes which are switchable. The first and second resistor elements have second ends connected to a second node and a third node, respectively. The third and fourth resistor elements have second ends connected to a fourth node and a fifth node via a first switch and a second switch, respectively. The first and second switches are opened in the first operation mode, and are closed in the second operation mode.

REFERENCES:
patent: 4158786 (1979-06-01), Hirasawa
patent: 4529890 (1985-07-01), Kobayashi et al.
patent: 5179539 (1993-01-01), Horiguchi et al.
patent: 5689460 (1997-11-01), Ooishi
patent: 5929696 (1999-07-01), Lim et al.
patent: 6686789 (2004-02-01), Lopata et al.
patent: 5-304448 (1993-11-01), None
patent: 6-326587 (1994-11-01), None
U.S. Appl. No. 10/233,529, filed Sep. 4, 2002, Oikawa et al.

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