2M x 8bit x 4 banks synchronous DRAM, 3.3V power supply, LVTTL, 125MHz 2M x 8bit x 4 banks synchronous DRAM, 3.3V power supply, LVTTL, 133MHz 64Mbit SDRAM 2M x 8bit x 4 Banks Synchronous DRAM LVTTL 64Mbit SDRAM00万8位4银行同步DRAM LVTTL 2M x 8bit x 4 banks synchronous DRAM, 3.3V power supply, LVTTL, 100MHz