This part is a kind of semiconductor called 29LV400BC.

Function of this product has MBM29LV400BC.

Manufacturers : Fujitsu Media Devices

Image and pinout :

Some of the text within the PDF file :

FUJITSU SEMICONDUCTOR DATA SHEET DS05-20862-3E FLASH MEMORY CMOS 4M (512K × 8/256K × 16) BIT MBM29LV400TC-70/-90/-12/MBM29LV400BC-70/-90/-12 s FEATURES • Single 3.0 V read, program, and erase Minimizes system level power requirements • Compatible with JEDEC-standard commands Uses same software commands as E2PROMs • Compatible with JEDEC-standard world-wide pinouts 48-pin TSOP(I) (Package suffix: PFTN – Normal Bend Type, PFTR – Reversed Bend Type) 44-pin SOP (Package suffix: PF) 48-pin CSOP (Package suffix: PCV) 48-ball FBGA (Package suffix: PBT) • Minimum 100,000 program/erase cycles • High performance 70 ns maximum access time • Sector erase architecture One 8K word, two 4K words, one 16K word, and seven 32K words sectors in word mode One 16K byte [ ... ]

29LV400BC PDF Datasheet Download