Integrated circuit having two circuit blocks therein independent

Details Integrated circuit having two circuit blocks therein independent Integrated circuit having two circuit blocks therein independent

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.

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