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ZSH330 - SUPPLY VOLTAGE MONITOR

General Description

The ZSH330 is a three terminal under voltage monitor circuit for use in microprocessor systems.

The threshold voltage of the device has been set to 3.1 volts making it ideal for 3.3 volt circuits.

Key Features

  • an open collector output capable of sourcing at least l0mA which only requires a single external resistor to interface to following circuits. Operation of the device is guaranteed from one volt upwards, from this level to the device threshold voltage the output is held high providing a power on reset function. Should the supply voltage, once established, at any time drop below the threshold level then the output again will pull high. The device is available in a TO92 package for through hole app.

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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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SUPPLY VOLTAGE MONITOR ISSUE 1 - DECEMBER 1997 DEVICE DESCRIPTION The ZSH330 is a three terminal under voltage monitor circuit for use in microprocessor systems. The threshold voltage of the device has been set to 3.1 volts making it ideal for 3.3 volt circuits. Included in the device is a precise voltage reference and a comparator with built in hysteresis to prevent erratic operation. The ZSH330 features an open collector output capable of sourcing at least l0mA which only requires a single external resistor to interface to following circuits. Operation of the device is guaranteed from one volt upwards, from this level to the device threshold voltage the output is held high providing a power on reset function.