M28F420
4 Megabit (x8 or x16, Block Erase) FLASH MEMORY
M28F512
512 Kbit (64Kb x8 Bulk Erase)Flasxh Memory
M28F512-10C1
512 Kbit (64Kb x8 Bulk Erase)Flasxh Memory
M28F512-10C1
512 Kbit (64Kb x8 Bulk Erase)Flasxh Memory
M28F512-12B1
512 Kbit (64Kb x8 Bulk Erase)Flasxh Memory