The CAT25256XE is a 256-Kilobit serial EEPROM memory IC manufactured by ON Semiconductor. It features a wide voltage operating range from 1.8V to 5.5V, making it suitable for a variety of applications. The IC is organized as 32,768 words of 8 bits each, and it offers high-speed SPI interface with clock frequencies up to 20 MHz. The CAT25256XE also includes a hardware write protection feature to prevent accidental data writes, and it has a maximum write time of 5 ms per byte. This EEPROM IC is designed for use in automotive, industrial, and consumer electronics applications, providing reliable non-volatile memory storage with low power consumption. Overall, the CAT25256XE is a versatile and efficient solution for data storage needs in a range of electronic systems