This part is a kind of semiconductor called A3P250.

Function of this product has ProASIC3 Flash Family FPGAs.

Manufacturers : Microsemi

Image and pinout :

Some of the text within the PDF file :

Revision 13 ProASIC3 Flash Family FPGAs with Optional Soft ARM Support Features and Benefits High Capacity • 15 k to 1 M System Gates • Up to 144 kbits of True Dual-Port SRAM • Up to 300 User I/Os Reprogrammable Flash Technology • 130-nm, 7-Layer Metal (6 Copper), Flash-Based CMOS Process • Instant On Level 0 Support • Single-Chip Solution • Retains Programmed Design when Powered Off High Performance • 350 MHz System Performance • 3.3 V, 66 MHz 64-Bit PCI† In-System Programming (ISP) and Security • ISP Using On-Chip 128-Bit Advanced Encryption Standard (AES) Decryption (except ARM®-enabled ProASIC®3 devices) via JTAG (IEEE 1532–compliant)† • FlashLock® to Secure FPGA Contents Low Power • Core Voltage for Low Power • Support for 1.5 V-Only Systems • Lo [ ... ]

A3P250 PDF Datasheet Download