This part is a kind of semiconductor called 24C016.

Function of this product has 2 Wire Serial CMOS EEPROM.

Manufacturers : ISSI

Image and pinout :

Some of the text within the PDF file :

IS24C16-2, IS24C16-3 IS24C08-2, IS24C08-3 16,384-bit/8,192-bit 2-WIRE SERIAL CMOS EEPROM FEATURES • Low Power CMOS Technology -- Standby Current less than 2 µA (5.5V) -- Read Current (typical) less than 1 mA (5.5V) -- Write Current (typical) less than 3 mA (5.5V) • Low Voltage Operation -- IS24C16-2 & IS24C08-2: Vcc = 1.8V to 5.5V -- IS24C16-3 & IS24C08-3: Vcc = 2.5V to 5.5V • 100 KHz (1.8V) and 400 KHz (5V) Compatibility • Hardware Data Protection -- Write Protect Pin • Sequential Read Feature • Filtered Inputs for Noise Suppression • 8-pin PDIP and 8-pin SOIC packages ISSI ® MARCH 2000 • Self time write cycle with auto clear -- 5 ms @ 2.5V • Organization: -- IS24C16-2 and IS24C16-3: 2048x8 (eight blocks of 256 bytes) -- IS24C08-2 and IS24C08-3: 1024x8 (four blocks [ ... ]

24C016 PDF Datasheet Download