DRAM Alliance Memory DDR1, SDRAM, and DRAM ranges have high-speed data rates, with memory sizes from 64M to 512M. The memory has commercial (0°C~70°C) and industrial (-40°C~85°C) temperatures. Other features include clock frequency range of 133MHz to 167MHz, data bus width range of 8-bit to 64-bit, with an access time of 5.4ns. Available in TSOP and BGA packages.