CAT1024WI-42-GT3

Supervisors Overview

The CAT1024WI-42-GT3 is a voltage supervisory circuit manufactured by onsemi, designed for CPU supervision with integrated 2K EEPROM. It operates within a supply voltage range of 2.7 V to 5.5 V and features an undervoltage threshold between 4.25 V and 4.5 V. The device utilizes an SOIC-Wide-8 package and supports manual reset functionality. It includes an open collector/drain output type with a reset delay time of 200 ms. Operating temperatures span from -40°C to +85°C, with power dissipation rated at 1 W.

Supervisors Feature Summary

• Integrates CPU supervision with non-volatile memory storage
• Provides manual reset capability with defined delay timing
• Features open collector or drain output configuration

Supervisors Applications

• CPU power monitoring systems
• Embedded controller supervision
• Industrial control unit protection

Supervisors Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity and pin alignment against datasheet specifications. Check for moisture sensitivity level compliance prior to assembly. Validate electrical parameters against current application requirements as the product is scheduled for discontinuation by the manufacturer.

Supervisors Selection Notes

Select this component when combined supervision and data retention are required in a single package. Ensure the 4.25 V to 4.5 V threshold aligns with system rail voltages. Consider the SOIC-Wide-8 footprint compatibility during PCB layout. Evaluate the 200 ms reset delay against processor startup timing constraints to ensure reliable initialization sequences.

Supervisors Part Context

This part belongs to the CAT1024 series of supervisory circuits from onsemi. It combines voltage monitoring with serial EEPROM capabilities. The series targets applications requiring robust power management and persistent data storage in compact surface-mount packages. It serves as a specialized solution for embedded systems needing both reset generation and configuration memory.

Supervisors Replacement Considerations

Public confirmed substitute part numbers: None available.