This part is a kind of semiconductor called 25F512AN.

Function of this product has AT25F512AN.

Manufacturers : ATMEL Corporation

Image and pinout :

Some of the text within the PDF file :

Features • Serial Peripheral Interface (SPI) Compatible • Supports SPI Modes 0 (0,0) and 3 (1,1) – Datasheet Describes 0 Operation • 33 MHz Clock Rate • Byte Mode and 128-byte Page Mode for Program Operations • Sector Architecture: • • • • • • • • • – Two Sectors with 32K Bytes Each – 256 Pages per Sector Product Identification Mode Low-voltage Operation – 2.7 (VCC = 2.7 to 3.6V) Sector Write Protection Write Protect (WP) Pin and Write Disable Instructions for both Hardware and Software Data Protection Self-timed Program Cycle (75 µs/byte typical) Self-timed Sector Erase Cycle (1 second/sector typical) Single Cycle Reprogramming (Erase and Program) for Status Register High Reliability – Endurance: 10,000 Write Cycles Typical – [ ... ]

25F512AN PDF Datasheet Download