This part is a kind of semiconductor called 29F002.
Function of this product has 2M-BIT [256K x 8] CMOS FLASH MEMORY.
Manufacturers : Macronix International
Image and pinout :

Some of the text within the PDF file :
MX29F002/002N 2M-BIT [256K x 8] CMOS FLASH MEMORY FEATURES • • • 262,144x 8 only Fast access time: 55/70/90/120ns Low power consumption - 30mA maximum active current(5MHz) - 1uA typical standby current Programming and erasing voltage 5V ± 10% Command register architecture - Byte Programming (7us typical) - Sector Erase (16K-Byte x1, 8K-Byte x 2, 32K-Byte x1, and 64K-Byte x 3) Auto Erase (chip & sector) and Auto Program - Automatically erase any combination of sectors or the whole chip with Erase Suspend capability. - Automatically programs and verifies data at specified address Erase Suspend/Erase Resume - Suspends an erase operation to read data from, or program data to, a sector that is not being erased, then resumes the erase operation. Status Reply - Data polling & Toggle bit fo [ ... ]
29F002 PDF Datasheet Download
