Electrostatic discharge device

Details Electrostatic discharge device Electrostatic discharge device

2008-07-01

2010-06-08

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

C361S091100, C361S111000, C361S118000, C257S199000, C257S200000, C257S288000, C257S335000

Reexamination Certificate

active

07733618

ABSTRACT:
An electrostatic discharge device includes a first protection element including a MOS transistor type first diode, which provides a first capacitor including a first insulation layer, and provides a first path between an input/output pad and a power supply voltage line using the first diode, for discharging static electricity, a second protection element providing a second path between the input/output pad and a ground voltage line for discharging the static electricity, a trigger circuit including a resistor that is connected in series to the first capacitor, and a power clamp element providing a third path for discharging the static electricity between the power supply voltage line and the ground voltage line by a voltage applied to the resistor.

REFERENCES:
patent: 6861680 (2005-03-01), Ker et al.
patent: 6898060 (2005-05-01), Juliano et al.
patent: 7609493 (2009-10-01), Salman et al.

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