FUJITSU SEMICONDUCTOR DATA SHEET DS05-20842-4E F.
MBM29F040C-70 - 4M (512K X 8) BIT FLASH MEMORY
MBM29F040C-90 - 4M (512K X 8) BIT FLASH MEMORY
MBM29F040C - 4M (512K X 8) BIT FLASH MEMORY
MBM29F040C-55 - 4M (512K X 8) BIT FLASH MEMORY