MB3771 Power Supply Monitor Description The Cypress MB3771 is designed to monitor the voltage level of one or two power supplies (+5 V and an arbitrary voltage) in a microprocessor circuit, memory board in large-size computer, for example.
If the circuit’s power supply deviates more than a specified amount, then the MB3771 generates a reset signal to the microprocessor.
Thus, the computer data is protected from accidental erasure.
Using the MB3771 requires few external components.
To monitor only a +5 V supply, the MB3771 requires the connection of one external capacitor.
The level of an arbitrary detection voltage is determined by two external resistors.
The MB3771 is available in an 8-pin ...

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