The Microchip 25LC040T-I/SN is a 4Kb Serial EEPROM with low power CMOS technology. It offers a low voltage operation and supports both SPI and I2C communication interfaces. It also comes with an automatically SLEEP/WAKE feature. The 25LC040T-I/SN is ideal for applications that require low power and non-volatile storage. This device has an 8-pin SOIC package, operates at a voltage range of 1.7V to 5.5V and an operating temperature range of -40 to 85 degrees Celsius. Furthermore, the 25LC040T-I/SN has a wide selection of densities and configurations that make it suitable for automotive, industrial, consumer, and medical applications.