This part is a kind of semiconductor called AT6005A-4AC.

Function of this product has Coprocessor Field Programmable Gate Arrays.

Manufacturers : ATMEL Corporation

Image and pinout :

Some of the text within the PDF file :

AT6000/LV Series Features • • • • • • • • • • High Performance System Speeds > 100 MHz Flip-Flop Toggle Rates > 250 MHz 1.2 ns/1.5 ns Input Delay 3.0 ns/6.0 ns Output Delay Up to 204 User I/Os Thousands of Registers Cache Logic® Design Complete/Partial In-System Reconfiguration No Loss of Data or Machine State Adaptive Hardware Low Voltage and Standard Voltage Operation 5.0 (VCC = 4.75V to 5.25V) 3.3 (VCC = 3.0V to 3.6V) Automatic Component Generators Reusable Custom Hard Macro Functions Very Low Power Consumption Standby Current of 500 µA/ 200 µA Typical Operating Current of 15 to 170 mA Programmable Clock Options Independently Controlled Column Clocks Independently Controlled Column Resets Clock Skew Less Than 1 ns Across Chip Independently Configurable I/O (PCI [ ... ]

AT6005A-4AC PDF Datasheet Download