This part is a kind of semiconductor called 24C320-EP.
Function of this product has 32K 5.0V SPI Bus Serial EEPROM.
Manufacturers : MicrochipTechnology
Image and pinout :

Some of the text within the PDF file :
25C320 32K 5.0V SPI™ Bus Serial EEPROM FEATURES • • • • SPI modes 0,0 and 1,1 3.0 MHz Clock Rate Single 5V Supply Low Power CMOS Technology - Max Write Current: 5 mA - Read Current: 1.0 mA at 5.5V, 3MHz - 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°C to +85°C - Automotive (E): -40°C to +125°C PACKAGE TYPES DIP/SOIC CS [ ... ]
24C320-EP PDF Datasheet Download
