Micron Semiconductor MT18LSDT6472AY-13ED2 Access Time (max): 5.4ns Chip Density: 256Mb Device Core Size: 72b Lead Free Status / Rohs Status: Compliant Main Category: DRAM Module Maximum Clock Rate: 133MHz Memory Size: 512MB Memory Type: SDRAM Module Type: 168UDIMM Mounting: Socket Number Of Elements: 18 Operating Current: 1.233A Operating Supply Voltage (max): 3.6V Operating Supply Voltage (min): 3V Operating Supply Voltage (typ): 3.3V Operating Temp Range: 0C to 65C Operating Temperature Classification: Commercial Organization: 64Mx72 Package / Case: 168-DIMM Pin Count: 168 Speed: 133MHz Sub-category: SDRAM Total Density: 512MByte