PRELIMINARY Am29LV004 4 Megabit (512 K x 8-Bit) C.
AM29LV004 - 4 Megabit (512 K x 8-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
AM29LV004B - 4 Megabit (512 K x 8-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory