Electro-static discharge protection device having a low...

Details Electro-static discharge protection device having a low... Electro-static discharge protection device having a low...

2011-04-19

2011-04-19

Fureman, Jared (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

C361S111000

Reexamination Certificate

active

07929264

ABSTRACT:
The present invention describes an electro-static discharge protection device that has a low operation voltage and a reduced size. The electro-static discharge protection device includes a power clamp unit that provides a discharge path between a pair of power lines. The power clamp unit includes a trigger unit generating a trigger voltage corresponding to electrostaticity accumulated in a first power line. The power clamp device is switched by the trigger voltage of the trigger unit to form a discharge path to discharge the electrostaticity in the first power line to a second power line. The power clamp device may include an NMOS transistor connected to a gate and a bulk. The power clamp device may also include a resistor for dropping the trigger voltage to apply it to the bulk.

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