The 93LC56A/SN is a serial EEPROM memory chip manufactured by Microchip Technology. With a 2-wire serial interface, this device offers 128 x 8 bits of non-volatile memory, capable of storing up to 256 bytes of data. The 93LC56A/SN is most commonly used to store small amounts of configuration, calibration, and other non-volatile data. The device is available in a wide selection of package types and voltage levels, making it a suitable solution for various applications.