MAX1232CSA Datasheet

Supervisory Circuits


The MAX1232CSA microprocessor (μP) supervisory circuit provides μP housekeeping and power-supply supervision functions while consuming only 1/10th the power of the DS1232. The MAX1232CSA enhances circuit reliability in μP systems by monitoring the power supply, monitoring the software execution, and providing a debounced manual reset input. The MAX1232CSA is a plug-in upgrade of the Dallas DS1232. MAX1232CSA 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


[{"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":"4.49 V, 4.74 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-8"}]

Manufacturer information


ON Semiconductor - ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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