The MICROCHIP TECH. part 25CSM04-I/MF is a high-performance EEPROM (electrically erasable programmable read-only memory) with a capacity of 4Mb (512K x 8). It uses the Serial-SPI interface, making it suitable for a wide range of applications. The EEPROM operates at both 3.3V and 5V, providing flexibility in voltage requirements. It comes in a compact 8-pin WDFN package, which is easy to integrate into various circuit designs. The product is supplied in a convenient tube packaging format. With its excellent performance and versatility, the 25CSM04-I/MF is an ideal choice for applications that require reliable non-volatile memory storage.