The CAT1161WI-42-T3 is a high-performance, 16-Kb serial Electrically Erasable Programmable Read-Only Memory (EEPROM) device from ON Semiconductor. This robust memory component is designed for optimal data storage solutions, making it an ideal choice for a wide range of applications in the industrial, automotive, and consumer electronics sectors.

With an operating voltage range of 2.5V to 6.0V, the CAT1161WI-42-T3 offers flexibility for various system designs. It utilizes the standard I²C bus interface, supporting a 400 kHz data transfer rate, which enables quick and efficient communication with microcontrollers and processors. The device's I²C interface ensures easy integration into existing designs, minimizing development time and cost.

The EEPROM is organized as 2048 x 8 bits, which allows for ample storage space for calibration data, device configuration settings, and other application-specific information. The CAT1161WI-42-T3 features a hardware write protection pin, which can be used to prevent accidental data overwrites and ensure data integrity. This is particularly useful in applications where data security and reliability are paramount.

ON Semiconductor's CAT1161WI-42-T3 is designed with longevity in mind, capable of withstanding up to 1 million write cycles and retaining data for over 100 years. This endurance and reliability make it an excellent choice for systems that require frequent data updates or long-term data retention without power.

The device comes in a compact TSSOP-8 package, making it suitable for space-constrained applications. Its industrial temperature range of -40°C to +85°C ensures stable operation in harsh environments, further enhancing its versatility across various market segments.

In summary, the CAT1161WI-42-T3 from ON Semiconductor is a durable, reliable, and high-capacity EEPROM solution that provides designers with a secure and efficient way to store critical data in their electronic systems.