This part is a kind of semiconductor called AD5141.

Function of this product has (AD5121 / AD5141) Nonvolatile Digital Potentiometer.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

Single Channel, 128-/256-Position, I2C/SPI, Nonvolatile Digital Potentiometer Data Sheet FEATURES 10 kΩ and 100 kΩ resistance options Resistor tolerance: 8% maximum Wiper current: ±6 mA Low temperature coefficient: 35 ppm/°C Wide bandwidth: 3 MHz Fast start-up time < 75 µs Linear gain setting mode Single- and dual-supply operation Independent logic supply: 1.8 V to 5.5 V Wide operating temperature: −40°C to +125°C 3 mm × 3 mm LFCSP package 4 kV ESD protection VLOGIC AD5121/AD5141 FUNCTIONAL BLOCK DIAGRAM VDD INDEP POWER-ON RESET AD5121/ AD5141 RESET DIS SCLK/SCL SDI/SDA SYNC/ADDR0 SDO/ADDR1 SERIAL INTERFACE 7/8 RDAC INPUT REGISTER A W B EEPROM MEMORY APPLICATIONS Portable electronics level adjustment LCD panel brightness and contrast controls Programmable filters, delays, [ ... ]

AD5141 PDF Datasheet Download