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MB3773 - Power Supply Monitor with Watch-Dog Timer

General Description

The Fujitsu MB3773 is designed to monitor the voltage level of a power supply (+5V or an arbitrary voltage) in a microprocessor circuit, memory board in a large-size computer, for example.

The MB3773 also contains a watch-dog timer function to detect uncontrol.

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FUJITSU SEMICONDUCTOR DATA SHEET DS04-27401-4E ASSP Power Supply Monitor with Watch-Dog Timer MB3773 s DESCRIPTION The Fujitsu MB3773 is designed to monitor the voltage level of a power supply (+5V or an arbitrary voltage) in a microprocessor circuit, memory board in a large-size computer, for example. The MB3773 also contains a watch-dog timer function to detect uncontrol. Table status of processor and reset system/processor. If the circuit’s power supply deviates more than a specified amount, then the MB3773 generates a reset signal to the microprocessor. Thus, the computer data is protected from accidental erasure. When the MB3773 does not receive the clock pulse from the processor in the specified period, the MB3773 generates a reset signal to the mciroprocessor.