This part is a kind of semiconductor called A3P250.

Function of this product has (A3Pxxx) ProASIC3 Flash Family FPGAs.

Manufacturers : Actel Corporation

Image and pinout :

Some of the text within the PDF file :

Advanced v0.2 ™ ProASIC3 Flash Family FPGAs Features and Benefits High Capacity • • • • • • • • • • • • • • • • • 30 k to 1 Million System Gates Up to 144 kbits of True Dual-Port SRAM Up to 288 User I/Os 130-nm, 7-Layer Metal (6 Copper), Flash-Based CMOS Process Live-At-Power-Up Level 0 Support Single-Chip Solution Retains Programmed Design When Powered Off 1 kbit of FlashROM (FROM) 150+ MHz Internal System Performance with 3.3 V, 66 MHz 64-bit PCI (except A3P030) Up to 350 MHz External System Performance Secure ISP Using On-Chip 128-Bit AES Decryption via JTAG (IEEE1532-compliant) (except A3P030) FlashLock™ to Secure FPGA Contents 1.5 V Core Voltage for Low Power Support for 1.5-V-Only Systems Low-Impedance Flash Switches Segment [ ... ]

A3P250 PDF Datasheet Download