System including ESD protection

Details System including ESD protection System including ESD protection

1998-05-11

1999-11-23

Sherry, Michael J.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361111, H02H 322

Patent

active

059911352

ABSTRACT:
A method and structure for providing ESD protection for an integrated circuit having multiple pairs of voltage supply rails, each pair including a VDD rail and a VSS rail. In one aspect, ESD devices are connected between pairs of supply rails and I/O pins of the integrated circuit, and antiparallel diodes are connected between respective VSS rails and a VSS-ESD rail.

REFERENCES:
patent: 5196981 (1993-03-01), Kuo
patent: 5272097 (1993-12-01), Shiota
patent: 5311083 (1994-05-01), Wanlass
patent: 5468984 (1995-11-01), Efland et al.
patent: 5610790 (1997-03-01), Staab et al.
patent: 5617283 (1997-04-01), Krakauer et al.
patent: 5654862 (1997-08-01), Worley et al.
patent: 5706156 (1998-01-01), Narita
patent: 5721658 (1998-02-01), Ma et al.

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