This part is a kind of semiconductor called 25F005.
Function of this product has SF25F005.
Manufacturers : Saifun
Image and pinout :

Some of the text within the PDF file :
Features •= •= •= Saifun NROM™ Flash Cell Serial Peripheral Interface (SPI) Compatible, Supports SPI Modes 0 (0,0) and 3 (1,1) Page Program Operation: 256 pages (256 Bytes/Page) Single Page Rewrite Cycle (Erase and Program) in 10ms Typical Page Program Mode (up to 256 bytes) in 9ms Typical Page Erase (256 bytes) in 3 ms Sector Erase (256 Kb) in 0.3 s Bulk Erase (512 Kb) Single Supply Voltage: 2.7 V to 3.6 V 25MHz Clock Rate Block Write Protection: Protect Quarter, Half or Entire Array Write Protect Pin and Write Disable Instructions of Both Hardware and Software Data Protection 100,000 Erase Cycles (Minimum) More than 20-Year Data Retention Low-power Standby Current (less than 1µA) 8-SOIC Narrow Package MLF Leadless Package Temperature Range: Industrial: -40° [ ... ]
25F005 PDF Datasheet Download
