This part is a kind of semiconductor called 24LC320-IP.

Function of this product has 32K2.5VSPIBusSerialEEPROM.

Manufacturers : MicrochipTechnology

Image and pinout :

Some of the text within the PDF file :

25LC320 32K 2.5V SPI™ Bus Serial EEPROM FEATURES • SPI modes 0,0 and 1,1 • 3.0 MHz Clock Rate • Single supply with Programming Operation down to 2.5V • Low Power CMOS Technology - Max Write Current: 5.0 mA - Read Current: 1 mA at 5.5V, 3 Mhz - Standby Current: 1 µA typical • 4096 x 8 Organization • 32-Byte Page • Sequential Read • Self-timed ERASE and WRITE Cycles • Block Write Protection - Protect none, 1/4, 1/2, or all of Array • Built-in Write Protection - Power On/Off Data Protection Circuitry - Write Enable Latch - Write Protect Pin • High Reliability - Endurance: 1M cycles (guaranteed) - Data Retention: >200 years - ESD protection: >4000V • 8-pin PDIP/SOIC, 14-pin TSSOP • Temperature ranges supported - Commercial (C): 0°C to +70°C - Industrial (I): -40 [ ... ]

24LC320-IP PDF Datasheet Download