Circuit configuration for monitoring the supply voltage of a pro

Details Circuit configuration for monitoring the supply voltage of a pro Circuit configuration for monitoring the supply voltage of a pro

1994-05-03

1996-07-23

Harvey, Jack B.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

395775, 361 92, G06F 126

Patent

active

055399100

ABSTRACT:
A circuit configuration for monitoring a supply voltage of a processor unit being clocked by an oscillator and requiring a minimum supply voltage, includes an undervoltage detector being connected to the processor unit. The undervoltage detector is in operation and generates a reset signal at a supply voltage being in a range between a lower first limit value and a higher second limit value and being below the minimum supply voltage. A comparator is connected to the processor unit. The comparator is in operation at a supply voltage above the second limit value and the comparator generates an activation signal at a supply voltage above a third limit value being above the minimum supply voltage. The oscillator is in operation at a supply voltage above the second limit value and the processor unit is in operation upon the appearance of the activation signal.

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Component Data Catalog, 1986, pp. 39-46, General Electric Company.

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