DS1236-10

Supervisors Overview

The DS1236-10 is a MicroManager supervisory circuit designed for microprocessor systems. It operates within a voltage range of 4.5 V to 5.5 V, featuring an undervoltage threshold of 4.25 V and an overvoltage threshold of 4.5 V. The device provides a reset delay time of 150 ms and includes a manual reset input. It incorporates a watchdog timer and battery backup switch functionality. The component supports active high and active low outputs and consumes less than 100 nA in battery standby mode.

Supervisors Feature Summary

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

Supervisors Applications

• Nonvolatile microprocessor applications
• Battery operated hand-held applications
• High current applications with external power switch control

Supervisors Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and temperature rating. Confirm availability status as older Maxim Integrated products may be discontinued or limited. Ensure the selected variant matches the required monitoring thresholds and output configuration for the target system design.

Supervisors Selection Notes

Select this component when precise power supply monitoring is required for microprocessor stability. Consider the 10% tolerance monitoring capability and the integrated battery backup switch. Evaluate the need for manual reset inputs and watchdog timer features relative to the system's fault recovery requirements.

Supervisors Part Context

This part belongs to the DS1236S series of supervisory circuits from Analog Devices / Maxim Integrated. These devices are classified under PMIC - Power Management ICs and are specifically designed as Voltage Supervisory components. They are available in surface mount packages such as SOIC-Wide-16.

Supervisors Replacement Considerations

DS1236AS-5

Supervisors FAQ

What is the function of the battery backup switch?

It allows the conversion of CMOS SRAM into nonvolatile memory by switching power sources during power failures.

Does the DS1236-10 include a watchdog timer?

Yes, the device integrates a watchdog timer to monitor microprocessor activity.