CAT1024YI-30-A2

Supervisors Overview

The CAT1024YI-30-A2 is a supervisory circuit integrating a 2k-bit serial EEPROM with an I²C interface and a manual reset function. It monitors a single power supply voltage with a threshold of 3 V, supporting operation from 2.7 V to 5.5 V. The device features open-drain outputs for active high or low reset signals, ensuring valid reset down to 1 V. It includes a 16-byte page write buffer and inadvertent write protection. Operating temperatures range from -40°C to +85°C in a TSSOP-8 package.

Supervisors Feature Summary

• Integrates 2k-bit serial EEPROM with I²C bus interface
• Provides precision power supply voltage monitoring with manual reset input
• Features open-drain reset outputs for flexible logic compatibility

Supervisors Applications

• Microcontroller-based system supervision
• Brown-out protection for memory and controllers
• Data retention during power transitions

Supervisors Procurement Notes

Verify the specific suffix 'A2' against official onsemi documentation to confirm pinout and electrical characteristics, as standard variants may differ. Confirm RoHS compliance status and lead-free finish specifications directly with the manufacturer or authorized distributors prior to ordering. Ensure the selected package matches the PCB footprint requirements.

Supervisors Selection Notes

Select this component when a combined solution for data storage and power supervision is required. It is suitable for systems needing brown-out protection with a 3 V threshold. Consider the I²C interface speed and manual reset requirement. Verify that the open-drain output configuration aligns with the target microcontroller's input requirements.

Supervisors Part Context

This part belongs to the CAT1024 family, which combines supervisory circuits with serial EEPROM. Variants like CAT1024WI-30-T3 offer similar functionality in different packages such as SOIC-8. The family supports 5 V, 3.3 V, and 3 V systems with multiple threshold options and industrial temperature ranges.

Supervisors Replacement Considerations

CAT1024YI-30-T3 offers identical electrical specifications in a TSSOP-8 reel package. CAT1024ZI-25-T3 provides a 2.5 V threshold in an MSOP-8 package. Verify package compatibility and threshold voltage alignment before substitution.