Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point
Reexamination Certificate
2007-07-24
2007-07-24
Jackson, Stephen W. (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Arc suppression at switching point
Reexamination Certificate
active
10824850
ABSTRACT:
An integrated circuit is described including internal circuitry and having at least one external connection. A pad cell is electrically interposed between the external connection and the internal circuitry, the pad cell comprising a first group of components adapted to protect the internal circuitry from transients at the external connection and providing, during normal operating conditions of the integrated circuit, a first signal path to the internal circuitry, and a second group of components providing a second signal path from the external connection to the internal circuitry. The second signal path is non-operable during the normal operating conditions but on application of a predefined voltage at the external connection becomes operable.
REFERENCES:
patent: 5164659 (1992-11-01), Schultz et al.
patent: 5602409 (1997-02-01), Olney
patent: 5751525 (1998-05-01), Olney
patent: 6236087 (2001-05-01), Daly et al.
patent: 6329863 (2001-12-01), Lee et al.
patent: 6550664 (2003-04-01), Bradley et al.
patent: 6750517 (2004-06-01), Ker et al.
patent: 2002/0033504 (2002-03-01), Ohnakado
patent: 2004/0001018 (2004-01-01), Hales
patent: 2005/0224883 (2005-10-01), Huang et al.
Razavi, B., Chap 18—Design of Analog CMOS Integrated Circuits, McGraw Hill, International Edition 2001, pp. 657-660.
Analog Devices Inc.
Jackson Stephen W.
Patel Dharti H.
Wolf Greenfield & Sacks P.C.
LandOfFree
Pad cell with multiple signal paths does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pad cell with multiple signal paths, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pad cell with multiple signal paths will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3812475