Electrostatic discharge protection circuit and electrostatic...

Details Electrostatic discharge protection circuit and electrostatic... Electrostatic discharge protection circuit and electrostatic...

2007-04-13

2009-11-10

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

Reexamination Certificate

active

07616415

ABSTRACT:
An electrostatic discharge (ESD) protection circuit protects a gate oxide of elements in an internal circuit against ESD. During an ESD test, if the sum of driving voltages of ESD protectors connected between a power pad and a ground pad is higher than the gate oxide breakdown voltage of elements in the internal circuit, the structure of the ESD protector is changed or another ESD protector is additionally provided so as to protect the gate oxide of the elements in the internal circuit against ESD.

REFERENCES:
patent: 5671111 (1997-09-01), Chen
patent: 6338986 (2002-01-01), Kawazoe et al.
patent: 6521893 (2003-02-01), Stark
patent: 6556398 (2003-04-01), Chen
patent: 6696730 (2004-02-01), Kawazoe et al.
patent: 2008/0080107 (2008-04-01), Chow et al.
patent: 02-16764 (1990-01-01), None
patent: 09-148903 (1997-06-01), None
patent: 2002-305254 (2002-10-01), None
patent: 1020030059483 (2003-07-01), None
Korean Patent Gazette, May 7, 2007.

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