Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Reexamination Certificate
2011-07-05
2011-07-05
Jackson, Stephen W (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Load shunting by fault responsive means
Reexamination Certificate
active
07974054
ABSTRACT:
An integrated circuit with an electrostatic discharge protection circuit includes a first power pad, a second power pad, at least a circuit module, and a power clamp circuit. The circuit module includes a signal pad, an internal circuit and a first bipolar transistor. A first parasitical resistance is coupled between a collector of the first bipolar transistor and the second power pad. There is at least a metal-oxide semiconductor (MOS) transistor and at least a first parasitical bipolar transistor included within the power clamp circuit.
REFERENCES:
patent: 6903913 (2005-06-01), Ker et al.
patent: 6954098 (2005-10-01), Hsu et al.
patent: 7242558 (2007-07-01), Chen
Wu Kun-Tai
Yang Ching-Jung
Hsu Winston
Jackson Stephen W
Margo Scott
Raydium Semiconductor Corporation
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