Multi-domain ESD protection circuit structure

Details Multi-domain ESD protection circuit structure Multi-domain ESD protection circuit structure

2004-06-02

2008-08-12

Sherry, Michael (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

Reexamination Certificate

active

07411767

ABSTRACT:
A multi-domain ESD protection circuit structure is described. The preferred embodiment of the present invention selects power lines of an internal circuit as ESD buses. The power lines of the remaining internal circuits are coupled with the ESD buses through the ESD connection cells. In another embodiment of the preferred invention, the VDD power line from one internal circuit and the VSS power line from another circuit are selected as ESD buses. In yet another embodiment, either a VDD power line or a VSS power line of an internal circuit is selected as an ESD bus.

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