BUY M93C66 https://www.utsource.net/itm/p/6442991.html
16Kbit , 8Kbit , 4Kbit , 2Kbit , 1Kbit and 256bit 8-bit or 16-bit wide
M93C66 is a SOP-8 serial EEPROM device manufactured by STMicroelectronics. It is a 256-bit, non-volatile memory device that is used for storing data. Description: The M93C66 is a 256-bit, non-volatile memory device with a serial interface. It is organized as 16 words of 16 bits each. The device is accessed via a 3-wire serial interface. The device is available in a 8-pin SOP package. Features: Low power consumption High speed data access Low voltage operation High reliability Low cost Applications: Automotive Industrial Consumer Medical Networking (For reference only)