ESD damage protection using a clamp circuit

Details ESD damage protection using a clamp circuit ESD damage protection using a clamp circuit

1998-08-26

2000-05-30

Jackson, Stephen W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transient responsive

361 56, 361 58, 361 911, 361111, H02H 900

Patent

active

060697822

ABSTRACT:
A circuit for protecting the internal circuitry of a semiconductor chip from increased power supply voltages due to electrostatic discharge events is presented. The circuit comprises a trigger circuit including a resistor and diode array coupled between a power line and a ground line and a discharge circuit which, when turned on by an output signal of the trigger circuit, conducts the excess charge on the power line to ground.

REFERENCES:
patent: 5301084 (1994-04-01), Miller
patent: 5311391 (1994-05-01), Dungan et al.
patent: 5345356 (1994-09-01), Pianka
patent: 5361185 (1994-11-01), Yu
patent: 5430602 (1995-07-01), Chin et al.
patent: 5514893 (1996-05-01), Miyanaga et al.
patent: 5541801 (1996-07-01), Lee et al.

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