BUY DS1666S-100+ https://www.utsource.net/itm/p/7350113.html
Digital Potentiometer 100k Ohm 1 Circuit 128 Taps Up/Down (U/D, INC, CS) Interface 16-SOIC
The DS1666S-100+ is a nonvolatile memory (NVM) device from Maxim Integrated. It is a 16-bit serial EEPROM with a low-voltage interface. The device is available in a 16-pin SOP package. The DS1666S-100+ features a low-voltage interface, which allows it to be operated from a single 2.7V to 5.5V supply. It is also capable of operating over a wide temperature range from -40°C to +85°C. The device has a write cycle endurance of 100,000 cycles and a data retention of 10 years. The DS1666S-100+ is designed for use in a variety of applications, including data logging, system configuration, and calibration. It is also suitable for use in industrial, automotive, and consumer applications. (For reference only)