CAT1023YI-28-GT3

Supervisors Overview

The CAT1023YI-28-GT3 is a supervisory circuit manufactured by onsemi, designed for microcontroller-based systems. It integrates a 2-kbit serial EEPROM with an I²C interface and a power supply voltage monitor. The device features a threshold voltage of 2.8 V to 3 V and supports manual reset functionality. It operates within a supply voltage range of 2.7 V to 5.5 V and includes a watchdog timer. The component is housed in an 8-pin SOIC package and functions across a temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Integrates a 2-kbit serial EEPROM with I²C interface and system power supervisor
• Provides brown-out protection with guaranteed reset at low voltage levels
• Includes a watchdog timer and manual reset capability for system reliability

Supervisors Applications

• Microcontroller-based system monitoring
• CPU supervision with integrated memory storage
• Brown-out protection in embedded electronics

Supervisors Procurement Notes

Verify end-of-life status and obsolescence notices before procurement. Confirm availability through authorized distributors as standard stock may be limited. Ensure compatibility with existing I²C bus protocols and voltage requirements. Check for alternative sources if original manufacturing has ceased. Validate package specifications against current design constraints.

Supervisors Selection Notes

Select this component for applications requiring combined memory and supervision in a compact form factor. Consider the 2.8 V to 3 V threshold for appropriate voltage monitoring. Evaluate the SOIC-8 package for surface mount integration. Assess the need for manual reset and watchdog features in the specific system design. Verify operating temperature range suitability for the intended environment.

Supervisors Part Context

This part belongs to the CAT1023 series of supervisory circuits from onsemi. The series typically includes variants with different packages and threshold voltages. These components are designed to provide complete memory and supervisory solutions for microcontroller systems. The specific suffix indicates the package type and threshold voltage configuration.

Supervisors Replacement Considerations

Public confirmed substitute part numbers: CAT1023WI-28-GT3, CAT1023LI-28-G, CAT1023VE-28TE13.