The CAT24C64YI-GT3 is a 64K-bit EEPROM with a two-wire serial I2C bus interface. It is manufactured by ON Semiconductor and is available in several packages, including the 8-pin TSSOP, 8-pin SOIC and 8-pin PDIP. The device features an 8-bit register addressing and supports both 3.0 and 5.0 V operation. It offers a fast write access time of 1.5 ms for a 256-byte page write, high-speed I2C version support (400 kHz, and 1 MHz) and offers 100,000 write cycle endurance. It is a low-power EEPROM with standby current consumption of just 5 µA at 25 degrees Celsius. The CAT24C64YI-GT3 is suitable for multiple applications, including automotive, industrial and medical.