ES29DS640D-12RTG 32Mbit(4M 8/2M CMOS Volt-only, Boot Sector Flash Memory
ES29DS640D-70TG 8Mbit(1M 8/512K CMOS Volt-only, Boot Sector Flash Memory
ES29DS640D-90RTG 8Mbit(1M 8/512K CMOS Volt-only, Boot Sector Flash Memory
ES29DS640D-90RWCI 4Mbit(512Kx 8/256K CMOS Volt-only, Boot Sector Flash Memory