MAX1232CWE Datasheet

Supervisory Circuits


The MAX1232CWE 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. MAX1232CWE 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 MAX1232CWE Applications • Computers• Controllers• Intelligent Instruments• Automotive Systems• Critical μP Power Monitoring


[{"Name":"Number of Voltages Monitored ","Value":"1"},{"Name":"Monitored Voltage ","Value":"4.5 V, 4.75 V "},{"Name":"Undervoltage Threshold ","Value":"4.5 V, 4.25 V"},{"Name":"Overvoltage Threshold","Value":"4.74 V, 4.49 V "},{"Name":"Output Type","Value":"Active High, Active Low, Open Drain "},{"Name":"Manual Reset ","Value":"Resettable"},{"Name":"Watchdog","Value":"Watchdog"},{"Name":"Battery Backup Switching","Value":"No Backup"},{"Name":"Package / Case ","Value":"SOIC W "},{"Name":"Packaging ","Value":"Tube "}]

Manufacturer information


Electrification, automation and digitalization are the long-term growth fields of Siemens. In order to take full advantage of the market potential in these fields, our businesses are bundled into eight divisions and Siemens Healthineers as well as Siemens Wind Power as a separately managed businesses.

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