Local ESD power rail clamp which implements switchable I/O...

Details Local ESD power rail clamp which implements switchable I/O... Local ESD power rail clamp which implements switchable I/O...

2007-11-06

2007-11-06

Sherry, Michael (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

C361S091100, C361S111000

Reexamination Certificate

active

10987358

ABSTRACT:
Methods and circuits are disclosed for providing distributed ESD protection switchable between a capacitive decoupling state and an ESD protection state. The invention provides electronic circuitry with a selectable capacitive decoupling path and an ESD shunting path responsive to the detection of the presence or absence of an electrostatic discharge event. Circuits of the invention include one or more control circuits, electrostatic discharge devices, and control nodes operably coupled to responsively switch the circuit from a decoupling state to an electrostatic discharge state.

REFERENCES:
patent: 5789964 (1998-08-01), Voldman
patent: 6385021 (2002-05-01), Takeda et al.
patent: 6724603 (2004-04-01), Miller et al.
patent: 6801416 (2004-10-01), Hatzilambrou et al.
patent: 6949967 (2005-09-01), Wang et al.

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