Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Patent
1996-01-05
1998-05-12
Fleming, Fritz
Electricity: electrical systems and devices
Safety and protection of systems and devices
Load shunting by fault responsive means
361111, 361127, H02H 900
Patent
active
057515255
ABSTRACT:
An electrical overstress (EOS) protection circuit for protecting an active circuit of an integrated circuit including first and second clamping circuits series connected between a first input and a first input/output of the EOS protection circuit and third and fourth clamping circuits connected between a first output of the protection circuit and a second input/output. In embodiments of the present invention an EOS protection circuit provides protection for an active circuit while enabling a voltage at an input pad to the active circuit to exceed a power supply reference by more than several volts and to be less than a ground reference by more than several volts.
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Analog Devices Inc.
Fleming Fritz
Jackson Stephen
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