512MBit MOBILE SDR SDRAMs based on 4M x 4Bank x32 .
H55S5122EFR-60M - 512Mbit (16Mx32bit) Mobile SDR Memory
H55S5122EFR-75M - 512Mbit (16Mx32bit) Mobile SDR Memory
H55S5122EFR - 512Mbit (16Mx32bit) Mobile SDR Memory
H55S5122EFR-A3M - 512Mbit (16Mx32bit) Mobile SDR Memory