ES29BDS400FB-12RTG 4Mbit(512Kx 8/256K CMOS Volt-only, Boot Sector Flash Memory
ES29BDS400FB-12TG 16Mbit(2M 8/1M CMOS Volt-only, Boot Sector Flash Memory
ES29BDS400FB-70RWCI 4Mbit(512Kx 8/256K CMOS Volt-only, Boot Sector Flash Memory
ES29BDS400FB-90TGI 32Mbit(4M 8/2M CMOS Volt-only, Boot Sector Flash Memory