MT42C8255DJ-8 MT42C8256DJ MT42C8256DJ-7 MT42C8256DJ-8 MT42C8257DJ-7 MT42L128M16D1KL-25 IT MT42L128M16D1KL-25 IT:A MT42L128M16D2MH-25 IT:A MT42L128M32D1 MT42L128M32D1GU-18