Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
Patent
1987-07-30
1989-08-08
Jennings, Derek S.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific voltage responsive fault sensor
361 56, 361111, H02H 320
Patent
active
048558630
ABSTRACT:
A MOS integrated circuit comprises a semiconductor body, first and second circuit blocks formed separately on the semiconductor body, first and second power supply terminals for supplying a power voltage to the first circuit blocks, the power voltage exclusively energizing the first circuit block, third and fourth power supply terminals for supplying another power voltage to the second circuit block, the other power voltage exclusively energizing the second circuit block, the second and fourth power supply terminals being coupled through the semiconductor body, and a parallel connection of first and second diodes connected between the second and fourth power supply terminals, an anode of the first diode being connected with a cathode of the second diode and a cathode of the first diode being connected with an anode of the second diode.
REFERENCES:
patent: 4694315 (1987-09-01), Suedberg
patent: 4736271 (1988-04-01), Mack et al.
Jennings Derek S.
NEC Corporation
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