CAT1023WI30

Supervisors Overview

The CAT1023WI-30 is a supervisory circuit integrating an I²C serial 2k-bit CMOS EEPROM with manual reset and watchdog timer functions. It operates within a supply voltage range of 2.7 V to 5.5 V, featuring a 3 V under-voltage threshold and a 3.15 V over-voltage threshold. The device supports a maximum operating temperature of +85°C and consumes 3 mA of working power current. It utilizes an SOIC-8 surface-mount package and includes built-in inadvertent write protection.

Supervisors Feature Summary

• Integrates 2k-bit serial EEPROM memory with system power supervision capabilities
• Includes dedicated watchdog timer for system reliability monitoring
• Provides manual reset functionality with active high or low output options
• Features built-in protection against inadvertent EEPROM data writes

Supervisors Applications

• Microcontroller-based system power management
• Embedded systems requiring non-volatile data storage
• Industrial control units with watchdog requirements
• Consumer electronics with limited board space

Supervisors Procurement Notes

Verify the exact suffix (e.g., -T3, -GT3) as it determines packaging format such as reel or tube. Confirm RoHS compliance status through official documentation. Check manufacturer lifecycle status, as some variants may be discontinued. Ensure the specific threshold voltage matches the target application requirements before ordering.

Supervisors Selection Notes

Select this component when a combined memory and supervision solution is required for microcontroller systems. The 3 V threshold is suitable for 3.3 V logic systems. Consider the SOIC-8 package dimensions for PCB layout constraints. Verify that the I²C interface speed meets the system communication needs.

Supervisors Part Context

This part belongs to the CAT1023 series, which combines EEPROM memory with supervisory circuits. Variants like CAT1021 lack the watchdog timer, while others differ in package type or threshold voltage. The WI-30 designation indicates the industrial temperature range and specific voltage threshold.

Supervisors Replacement Considerations

CAT1023WI-30-GT3 serves as a direct replacement variant with identical electrical specifications but different packaging configuration.