CAT1023WI-42-G

Supervisors Overview

The CAT1023WI-42-G is a serial EEPROM memory device manufactured by onsemi. It features a 2K-bit (256 x 8) memory array organized in pages. The component supports I2C interface communication with two-wire serial connectivity. It operates within a voltage range of 1.8V to 5.5V, ensuring compatibility with various logic levels. The device includes write protection capabilities and an internal write cycle timer. It is housed in a small outline package suitable for space-constrained applications.

Supervisors Feature Summary

• Supports I2C serial interface for efficient data transfer
• Includes hardware write protect functionality
• Features internal write cycle timer for automatic operation
• Operates across wide voltage supply ranges

Supervisors Applications

• Consumer electronics data storage
• Industrial control system configuration
• Smart metering devices
• Portable equipment settings retention

Supervisors Procurement Notes

Verify the specific suffix 'G' indicates lead-free compliance and RoHS adherence as per manufacturer standards. Confirm the 'WI' suffix corresponds to the correct package type and temperature rating required for your design. Ensure the operating voltage matches your system's power rail specifications before integration. Cross-reference the datasheet revision date to confirm current manufacturing status and any potential obsolescence notices from onsemi.

Supervisors Selection Notes

Select this component when a small capacity non-volatile memory solution is needed for storing calibration data or user settings. Consider the I2C interface requirements and available bus lines in your circuit design. Evaluate the physical size constraints against the available package options. Verify that the write endurance and data retention specifications meet the long-term reliability requirements of the target application environment.

Supervisors Part Context

This part belongs to the CAT1023 series of serial EEPROMs designed for low-power applications. It complements other memory solutions by offering a simple two-wire interface. The series is intended for cost-sensitive designs requiring reliable data retention without complex controller overhead. It serves as a compact alternative to larger parallel memory interfaces in embedded systems.

Supervisors Replacement Considerations

Check for direct pin-to-pin compatible alternatives from onsemi or other manufacturers with identical I2C addresses and voltage ranges. Verify that substitute parts maintain the same page size and write cycle timing characteristics. Ensure the replacement offers equivalent data retention periods and environmental operating ranges.