CAT1023WI-30-A2

Supervisors Overview

The CAT1023WI-30-A2 is a supervisory circuit integrating a 2-kbit I2C serial EEPROM with a power supervisor, manual reset input, and watchdog timer. It operates within a supply voltage range of 2.7 V to 5.5 V, featuring a 3 V threshold for brown-out protection. The device supports a 400 kHz I2C bus interface and includes a 16-byte page write buffer with inadvertent write protection via the WP pin. It guarantees valid reset at VCC = 1 V and offers 1,000,000 program/erase cycles with 100-year data retention. Packaged in an 8-pin SOIC, it functions from -40°C to +85°C.

Supervisors Feature Summary

• Integrates 2-kbit I2C EEPROM with system power supervisor and watchdog timer
• Provides precise voltage monitoring with manual reset capability
• Includes built-in inadvertent write protection via dedicated pin
• Supports high endurance with one million program/erase cycles

Supervisors Applications

• Microcontroller-based systems requiring non-volatile memory and supervision
• Industrial control units needing brown-out protection
• Embedded devices utilizing I2C communication interfaces

Supervisors Procurement Notes

Verify the specific suffix A2 against official onsemi documentation to confirm package type and temperature grade accuracy. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer, as availability may vary by region. Ensure the ordering information matches the exact electrical specifications required for your design.

Supervisors Selection Notes

Select this component when a combined solution for data storage and system supervision is required. The integrated watchdog and manual reset features simplify board design compared to discrete components. Verify that the 3 V threshold aligns with the target system voltage rails. Consider the 8-pin SOIC package constraints for PCB layout and thermal management requirements.

Supervisors Part Context

This part belongs to the CAT1023 series, which combines memory and supervisory functions. It is designed for low-power CMOS applications. The series typically includes variants with different voltage thresholds and package options. It serves as a complete solution for microcontroller systems, reducing component count and board space.

Supervisors Replacement Considerations

Check for CAT1023WI-30-G or other suffixes within the same family for equivalent electrical performance. Verify package compatibility if substituting with TSSOP or MSOP variants. Ensure the replacement maintains the 2-kbit capacity and I2C interface speed.