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MB3793-30 - POWER-VOLTAGE MONITORING IC

General Description

The MB3793 is an integrated circuit to monitor power voltage; it incorporates a watchdog timer.

A reset signal is output when the power is cut or falls abruptly.

When the power recovers normally after resetting, a power-on reset signal is output to microprocessor units (MPUs).

Key Features

  • Precise detection of power voltage fall:.

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Other Datasheets by Fujitsu Semiconductor Limited

Part Number Description
MB3793-30A POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
MB3793-37A POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FUJITSU SEMICONDUCTOR DATA SHEET To Top / Lineup / Index DS04-27402-2E ASSP POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER MB3793-42/30 DESCRIPTION The MB3793 is an integrated circuit to monitor power voltage; it incorporates a watchdog timer. A reset signal is output when the power is cut or falls abruptly. When the power recovers normally after resetting, a power-on reset signal is output to microprocessor units (MPUs). An internal watchdog timer with two inputs for system operation diagnosis can provide a fail-safe function for various application systems. Two models with detection voltages of 4.2 and 3.0 V are available. There is also a mask option that can detect voltages of 4.9 to 3.0 V in 0.1-V steps. The model numbers are MB3793-42 or -30 corresponding to the detected voltage.