Semiconductor device with decoupling capacitance controlled...

Details Semiconductor device with decoupling capacitance controlled... Semiconductor device with decoupling capacitance controlled...

2007-08-30

2010-06-08

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

C327S090000, C327S310000, C327S311000

Reexamination Certificate

active

07733164

ABSTRACT:
In a semiconductor device, a monitoring circuit monitors and detects a quantity of noise in the semiconductor device. A control circuit has capacitances and controls connections to the capacitances such a decoupling capacitance value provided between a first power supply and a second power supply is dynamically adjusted based on the detected noise quantity.

REFERENCES:
patent: 2003/0098742 (2003-05-01), Nakagawa et al.
patent: 2005/0017767 (2005-01-01), Huang et al.
patent: 2002-246548 (2002-08-01), None
patent: 2004-86881 (2004-03-01), None
The magazine of Nikkei Electronics (Jul. 18, 2005 pp. 115-127).
JST failure knowledge database: case name “a large power supply noise is generated in a power supply layer due to resonance of a print circuit board” (http://shippai.jst.go.jp/fkd/Detail?fn=0&id=CA0000078&).

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