This part is a kind of semiconductor called 29F200BB.

Function of this product has M29F200BB.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

M29F200BT M29F200BB 2 Mbit (256Kb x8 or 128Kb x16, Boot Block) Single Supply Flash Memory PRELIMINARY DATA s SINGLE 5V±10% SUPPLY VOLTAGE for PROGRAM, ERASE and READ OPERATIONS s ACCESS TIME: 45ns s PROGRAMMING TIME – 8µs per Byte/Word typical s 7 MEMORY BLOCKS – 1 Boot Block (Top or Bottom Location) – 2 Parameter and 4 Main Blocks s PROGRAM/ERASE CONTROLLER – Embedded Byte/Word Program algorithm – Embedded Multi-Block/Chip Erase algorithm – Status Register Polling and Toggle Bits – Ready/Busy Output Pin s ERASE SUSPEND and RESUME MODES – Read and Program another Block during Erase Suspend s UNLOCK BYPASS PROGRAM COMMAND – Faster Production/Batch Programming s TEMPORARY BLOCK UNPROTECTION MODE s LOW POWER CONSUMPTION – Standby and Automatic Standby s 100,000 PROGRAM/ [ ... ]

29F200BB PDF Datasheet Download