DS1239S-10+

Supervisors Overview

The DS1239S-10+ is a MicroManager supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a voltage range of 4.5 V to 5.5 V and features a threshold voltage of 4.37 V. The device provides manual reset functionality with a minimum reset delay time of 25 ms. It supports active high and active low outputs, includes a watchdog timer, and offers battery backup switching capabilities. Designed for surface mount installation in a 16-SOIC package, it functions across an operating temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Holds microprocessor in check during power transients
• Converts CMOS SRAM into nonvolatile memory
• Provides orderly shutdown in nonvolatile microprocessor applications

Supervisors Applications

• Nonvolatile microprocessor applications requiring orderly shutdown
• Battery operated hand-held applications needing low-power stop mode control
• High current applications controlled via external power switch

Supervisors Procurement Notes

Verify the specific suffix designation against official documentation to confirm exact electrical characteristics and package variations. Confirm availability status as distribution channels may list obsolete or limited stock items. Ensure the component matches the required industrial temperature range specifications for the intended deployment environment before finalizing procurement decisions.

Supervisors Selection Notes

Select this component when precise monitoring of a single voltage rail is required alongside comprehensive system protection features. The integrated watchdog timer and battery backup switch simplify design complexity compared to discrete solutions. Consider the 16-pin SOIC package for space-constrained printed circuit board layouts requiring surface mount technology compatibility.

Supervisors Part Context

This part belongs to the MicroManager series, which integrates multiple supervisory functions into a single chip. It combines voltage monitoring, reset generation, and battery management capabilities. The series is designed to replace complex discrete logic circuits, reducing component count and improving reliability in embedded systems requiring robust power management supervision.

Supervisors Replacement Considerations

DS1236S-10N+T&R

Supervisors FAQ

Does the DS1239S-10+ include a watchdog timer?

Yes, the device includes a watchdog timer function.

What is the reset delay time for this supervisor?

The reset delay time is a minimum of 25 ms.