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MAX1232 - Microprocessor Monitor

General Description

The MAX1232 microprocessor (μP) supervisory circuit provides μP housekeeping and power-supply supervision functions while consuming only 1/10th the power of the DS1232.

Key Features

  • Consumes 1/10th the Power of the DS1232.
  • Precision Voltage Monitor.
  • Adjustable +4.5V or +4.75V.
  • Power-OK/Reset Pulse Width.
  • 250ms Min.
  • No External Components.
  • Adjustable Watchdog Timer.
  • 150ms, 600ms, or 1.2s.
  • Debounced Manual Reset Input for External Override.
  • Available in 8-Pin PDIP/SO and 16-Pin Wide SO Packages Ordering Information PART TEMP RANGE PIN-.

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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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MAX1232 Microprocessor Monitor General Description The MAX1232 microprocessor (μP) supervisory circuit provides μP housekeeping and power-supply supervision functions while consuming only 1/10th the power of the DS1232. The MAX1232 enhances circuit reliability in μP systems by monitoring the power supply, monitoring the software execution, and providing a debounced manual reset input. The MAX1232 is a plug-in upgrade of the Dallas DS1232. A reset pulse of at least 250ms duration is supplied on power-up, power-down, and low-voltage brownout conditions (5% or 10% supply tolerances can be selected digitally). Also featured is a debounced manual reset input that forces the reset outputs to their active states for a minimum of 250ms.