CAT1027ZI-42-GT3

Supervisors Overview

The CAT1027ZI-42-GT3 is a voltage supervisory circuit manufactured by onsemi, designed for CPU monitoring applications. It operates within a supply voltage range of 2.7 V to 5.5 V and features a threshold voltage of 4.2 V. The device includes an integrated watchdog timer and provides manual reset functionality. It is housed in an MSOP-8 surface-mount package and supports operation across a temperature range of -40°C to +85°C. The component draws a working supply current of 3 mA and dissipates up to 1 W of power.

Supervisors Feature Summary

• Integrated watchdog timer for system reliability
• Manual reset capability for user control
• Single input voltage supervision

Supervisors Applications

• CPU voltage monitoring
• Embedded system supervision
• Power management circuits

Supervisors Procurement Notes

Verify the specific suffix 'GT3' indicates tape and reel packaging configuration. Confirm RoHS compliance status through official documentation. Ensure the MSOP-8 package dimensions match design requirements. Check for any recent product change notices affecting pinout or electrical characteristics before finalizing procurement.

Supervisors Selection Notes

Select this component when a single-channel supervisor with watchdog and manual reset is required. Compare against CAT1027 variants with different thresholds if voltage levels differ. Consider package size constraints for MSOP-8 compatibility. Verify operating temperature range suitability for the target environment.

Supervisors Part Context

This part belongs to the CAT1027 series of voltage supervisors from onsemi. It shares functional similarities with other parts in the family but differs in specific threshold voltages and package options. The series is designed for reliable power management in digital systems.

Supervisors Replacement Considerations

CAT1027ZI-42-T3 is a related variant with similar specifications. Verify package and electrical parameter compatibility before substitution.