The AT25640B-SSHL-B is an automotive-grade EEPROM integrated circuit from Microchip Technology. It is designed for various automotive applications, offering a storage capacity of 64Kbits, equivalent to 8K x 8 bits. The device utilizes a Serial-3Wire interface, making it compatible with a wide range of systems and microcontrollers. It operates at multiple supply voltage levels, including 2.5V, 3.3V, and 5V, providing flexibility in different automotive environments. The AT25640B-SSHL-B comes in an 8-Pin SOIC N package, known for its high reliability and robustness. It is supplied in a tube for easy handling and protection during transportation and storage.