DS1233D-15

Supervisors Overview

The DS1233D-15 is a microprocessor supervisory circuit designed to monitor power supply voltage. It features a precision temperature-compensated reference and comparator to detect out-of-tolerance conditions, generating an active reset signal when VCC drops below the threshold. The device maintains the reset state for approximately 350 ms after VCC returns to tolerance, allowing system stabilization. It includes an internal 5 kΩ pull-up resistor and operates within a -40°C to +85°C temperature range.

Supervisors Feature Summary

• Automatically restarts the microprocessor following a power failure event
• Maintains reset assertion for 350 ms after power supply recovery
• Provides accurate monitoring of the 5V microprocessor power supply

Supervisors Applications

• Microprocessor system supervision
• Power-fail detection circuits
• Embedded controller reset management

Supervisors Procurement Notes

Verify the manufacturer designation, as this component was originally produced by Dallas Semiconductor and later Maxim Integrated, now part of Analog Devices Inc. Confirm the package type matches your board layout requirements, typically TO-92 or SOT-223. Ensure the specific suffix indicates the 15% trip point for 5V systems. Cross-reference datasheets from all relevant entity histories to ensure parameter consistency.

Supervisors Selection Notes

Select this component for applications requiring reliable microprocessor reset generation without discrete components. It is suitable for systems needing automatic recovery after power interruptions. Consider the operating temperature range and package constraints. Verify compatibility with the target microprocessor's reset input requirements and voltage levels.

Supervisors Part Context

This device belongs to the EconoReset family, which integrates power-supply monitoring functions into a single low-cost package. It eliminates the need for external comparators and references. The series supports various voltage thresholds and packages, providing a compact solution for system supervision in industrial and consumer electronics.

Supervisors Replacement Considerations

DS1233D-10: Similar function with different voltage threshold specifications.