CAT1023WI-25-GT3

Supervisors Overview

The CAT1023WI-25-GT3 is a supervisory circuit integrating a 2-kbit I2C serial EEPROM with a voltage monitor, manual reset input, and watchdog timer. It operates within a supply voltage range of 2.7 V to 5.5 V and features a threshold voltage between 2.55 V and 2.7 V. The device utilizes a TSSOP-8 surface-mount package and supports a 400 kHz I2C bus interface. It includes a 16-byte page write buffer and inadvertent write protection via the WP pin. The component ensures valid resets at VCC = 1 V and offers data retention for 100 years with 1,000,000 program/erase cycles.

Supervisors Feature Summary

• Integrates a 2-kbit I2C serial EEPROM with system power supervisor and brown-out protection in low power CMOS technology.
• Includes a watchdog timer and manual reset input for enhanced system reliability and control.
• Features built-in inadvertent write protection via the WP pin and a 16-byte page write buffer for efficient memory operations.

Supervisors Applications

• Microcontroller-based systems requiring integrated memory and supervision
• Consumer electronics needing reliable power monitoring
• Industrial control units utilizing I2C communication

Supervisors Procurement Notes

Verify component authenticity through authorized onsemi distributors or certified partners. Confirm RoHS compliance and lead-free status prior to integration. Check current lifecycle status as discontinuance notifications may affect long-term availability. Ensure proper handling for ESD-sensitive components during storage and assembly processes.

Supervisors Selection Notes

Select this part when a combined EEPROM and voltage supervisor is required for space-constrained designs. The TSSOP-8 package suits applications needing surface-mount integration. Verify that the 2.55 V to 2.7 V threshold aligns with the target system's voltage requirements. Ensure the I2C bus speed and address configuration match the host controller specifications.

Supervisors Part Context

This component belongs to the CAT1023 series, which provides complete memory and supervisory solutions for microcontroller-based systems. The series integrates I2C serial EEPROM with power management functions, offering a compact alternative to discrete components. It is designed for industrial and extended temperature ranges, ensuring robust performance in various electronic environments.

Supervisors Replacement Considerations

Check for direct substitutes within the CAT1023 family with different threshold voltages or packages. Verify compatibility with existing PCB footprints and I2C addressing schemes before transitioning to alternative part numbers.

Supervisors FAQ

What is the maximum operating voltage for the CAT1023WI-25-GT3?

The maximum operating voltage is 5.5 V.

Does the CAT1023WI-25-GT3 include write protection?

Yes, it features built-in inadvertent write protection controlled by the WP pin.