DS1238AS-10

Supervisors Overview

The DS1238AS-10 is a voltage supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 4.5 V to 5.5 V, featuring a threshold voltage of 5 V. The device provides manual reset capability and includes a watchdog timer with a reset delay time of 150 ms. It supports power failure detection and battery backup switching. The output types include active high, active low, open drain, and push-pull configurations. Designed for through-hole installation in a PDIP-Narrow-16 package, it functions reliably between 0°C and +70°C.

Supervisors Feature Summary

• Integrates manual reset functionality alongside automatic power monitoring
• Includes built-in watchdog timer for system fault recovery
• Supports battery backup switching for continuous operation during power loss
• Offers versatile output configurations including open drain and push-pull

Supervisors Applications

• Voltage supervision in embedded systems requiring manual intervention
• Power management circuits utilizing battery backup mechanisms
• Industrial control systems needing watchdog timer protection
• Equipment requiring specific reset delay characteristics

Supervisors Procurement Notes

Verify the exact suffix against official datasheets to confirm pinout and electrical specifications. Confirm package type matches the required PCB footprint. Check manufacturer documentation for any recent lifecycle changes or obsolescence notices. Ensure compatibility with existing board designs regarding through-hole mounting requirements.

Supervisors Selection Notes

Select this component when a supervisory circuit with manual reset and watchdog features is required. Consider the 150 ms reset delay and available output types for interface compatibility. Verify that the operating temperature range meets environmental conditions. Evaluate the need for battery backup switching capabilities in the target application design.

Supervisors Part Context

This part belongs to the DS1238A series of supervisory circuits from Maxim Integrated. These devices are designed to monitor voltage levels and provide reset signals to microprocessors and logic circuits. The series typically integrates watchdog timers and battery swap controllers to enhance system reliability in critical applications.

Supervisors Replacement Considerations

Check for direct replacements within the DS1238A family. Verify pin compatibility and electrical parameters before substitution.