[. . . ] [. . . ] The components on this module include sixteen stacked 256M x 8-bit DDR2-800 SDRAM. The electrical and mechanical specifications are as follows: FEATURES: Clock Cycle Time (tCK) CL= 6 Row Cycle Time (tRC) Refresh to Active/Refresh Command Time (tRFC) Row Active Time (tRAS) Single Power Supply of Power UL Rating 2. 5ns 60ns (min. ) 195ns 45ns (min. ) / 70, 000ns (max. ) +1. 8V (+/- . 1V) 1. 440 W (operating) 94 V - 0 Note: The module defined in this data sheet is one of several configurations available under this part number. While all configurations are compatible, the DRAM combination and/or the module height may vary from what is described here. (units = millimeters) Figure 1: KVR800D2S6/4G 200-Pin SODIMM Document No. [. . . ] [. . . ]