BUY X25642 https://www.utsource.net/itm/p/9224997.html

Description: 8-Pin Serial EEPROM Features: Low voltage operation: 1.8V to 5.5V High speed clock frequency: 10MHz Low power consumption: Active current 1mA (typical) Low power standby mode: 0.1μA (typical) Endurance: 100,000 write cycles Data retention: 10 years 8-pin SOIC package Application: X25642 is a 8-pin Serial EEPROM which is suitable for a wide range of applications, such as consumer electronics, automotive, industrial, medical, and communication applications. It is used to store data and configuration settings. (For reference only)