XC6123C539MR-G

Supervisors Overview

The XC6123C539MR-G is a high-precision voltage monitor manufactured by Torex Semiconductor, designed for supervisory circuit applications. It operates within a supply voltage range of 1 V to 6 V and features a fixed detection threshold of 3.9 V. The device utilizes CMOS technology with an N-channel open-drain output configuration that activates low upon detection. Key functional parameters include a reset delay time of 50 ms and a watchdog timer capability. It supports battery backup switching and functions within an industrial temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Integrates a watchdog timer function for system stability monitoring
• Features an internal delay circuit eliminating the need for external components
• Includes a dedicated pin to control the ON/OFF state of the watchdog function

Supervisors Applications

• Microprocessor watchdog monitoring and reset circuits
• Memory battery backup circuits
• System power-on reset circuits
• Power failure detection systems

Supervisors Procurement Notes

Verify the specific suffix code against official datasheets to confirm the exact detection voltage threshold, as alphanumeric codes in this series denote precise voltage levels. Ensure the package type matches the required PCB footprint. Confirm RoHS compliance status if environmental regulations apply to the final assembly. Cross-reference the manufacturer part number with authorized distributor catalogs to ensure authenticity and traceability.

Supervisors Selection Notes

Select this component when a fixed 3.9 V threshold is required for voltage supervision. Consider the 50 ms reset delay and available watchdog timeout options during design. Verify that the open-drain output interface is compatible with the target microprocessor or logic level. Ensure the operating voltage range covers the minimum system voltage requirements.

Supervisors Part Context

This part belongs to the XC6123 series of voltage detectors from Torex Semiconductor. The series employs CMOS process technology to achieve low current consumption while maintaining high precision. These devices are engineered for compact surface-mount applications, offering integrated timing functions without external passive components.

Supervisors Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure replacement parts match the SOT-25-5 package and maintain identical electrical thresholds and watchdog functionalities.