16Mx72 sdram dimm with pll & register based on 16Mx8, 4Banks 4K ref., 3.3V Synchronous DRAMs with SPD Serial Presence Detect 32mbx72 sdram dimm with pll & register based on 16MBx8, 4Banks 4KB ref., 3.3V Synchronous DRAMs with SPD Serial Presence Detect 32mbx72 sdram dimm with pll & register based on 32MBx4, 4Banks, 4KB ref., 3.3V Synchronous DRAMs with SPD Data Sheet