This part is a kind of semiconductor called EN25P80.
Function of this product has 8 Mbit Uniform Sector Flash Memory.
Manufacturers : Eon
Image and pinout :

Some of the text within the PDF file :
EN25P80 EN25P80 8 Mbit Uniform Sector, Serial Flash Memory FEATURES • Single power supply operation - Full voltage range: 2.7-3.6 volt • 8 Mbit Serial Flash - 8 M-bit/1024 K-byte/4096 pages - 256 bytes per programmable page • High performance - 75MHz clock rate • Low power consumption - 5 mA typical active current - 1 μA typical power down current • Uniform Sector Architecture: - Sixteen 64-Kbyte sectors • Software and Hardware Write Protection: - Write Protect all or portion of memory via software - Enable/Disable protection with WP# pin • High performance program/erase speed Byte program time: 7µs typical Page program time: 1.5ms typical Sector erase time: 800ms typical Chip erase time: 10 Seconds typical • Minimum 100K endurance cycle • Package [ ... ]
EN25P80 PDF Datasheet Download
