ESD protection circuit with whole-chip ESD protection

Details ESD protection circuit with whole-chip ESD protection ESD protection circuit with whole-chip ESD protection

2005-07-19

2005-07-19

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

Reexamination Certificate

active

06920026

ABSTRACT:
An ESD protection circuit with whole-chip ESD protection. A plurality of ESD protection devices, apart from an ESD detection circuit, can be MOS transistors connected between the input/output pads and the VDD/VSS lines or a power rail clamp circuit between the VDD and VSS lines. The ESD detection circuit is connected between the VDD and VSS lines. When an ESD event occurs and an ESD current is bypassed to the power line, the ESD detection circuit generates a plurality of enabling signals to simultaneously enable the ESD protection devices, which provides a plurality of discharge paths to bypass the ESD current.

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