MAX6369KA Datasheet

Supervisory Circuits


The MAX6369KA are pin-selectable watchdog timers that supervise microprocessor (NP) activity and signal when a system is operating improperly. During normal operation, the microprocessor should repeatedly toggle the watchdog input (WDI) before the selected watchdog timeout period elapses to demonstrate that the system is processing code properly. If the uP does not provide a valid watchdog input transition before the eriod expires, the supervisor asserts a watch-dog cuting output to signal that the system is rat axe-frame.the pPerrors.the desired instructions within the expected timeThe watchdog output pulse can be used to resell or interrupt the system to warn of processing. MAX6369KA Features • Precision Watchdog Timer for Critical• Pin-Selectable Watchdog Timeout Periods• Pin-Selectable Watchdog Startup Delay Periods• Ability to Change Watchdog Timing Characteristics Without Power Cycling• Open-Drain or Push-Pull Pulsed Active-Low Watchdog Output• Watchdog Timer Disable Feature• +2.5V to +5.5V Operating Voltage• 8pA Low Supply Current• No External Components Required• Miniature 8-Pin SOT23 Package MAX6369KA Applications • Embedded Control Systems• Industrial Controllers• Critical µP and Microcontroller (µC) Monitoring• Automotive• Telecommunications• Networking


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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