Electrostatic discharge protection power rail clamp with...

Details Electrostatic discharge protection power rail clamp with... Electrostatic discharge protection power rail clamp with...

2007-03-27

2007-03-27

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

C361S091100, C361S056000, C361S111000

Reexamination Certificate

active

10987359

ABSTRACT:
Electrostatic discharge protection circuitry includes a timing circuit operably coupled between the high supply side and low supply side of an associated circuit. The timing circuit has an RC node used for triggering a series of inverters configured to control an ESD dissipation device operably coupled to the high supply side node and the low side supply node of the circuit. A feedback transistor network and a feedback conditioning network is provided for ensuring that the ESD device is held on during an ESD event.

REFERENCES:
patent: 5311391 (1994-05-01), Dungan et al.
patent: 5508649 (1996-04-01), Shay
patent: 5589790 (1996-12-01), Allen
patent: 6552886 (2003-04-01), Wu et al.
A. Sedra et al. Microelectronic Circuits, 1987, Holt, Rinehart and Winston, pp. 342-345.

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