[. . . ] [. . . ] The components on each module include eight 128M x 8-bit DDR2-400 SDRAM in FBGA packages. The electrical and mechanical specifications are as follows: FEATURES: Clock Cycle Time (tCK) CL=3 Row Cycle Time (tRC) Refresh to Active/Refresh Command Time (tRFC) Row Active Time (tRAS) Single Power Supply of Power UL Rating 5ns (min. ) / 8ns (max. ) 55ns (min. ) 127. 5ns 40ns (min. ) / 70, 000ns (max. ) +1. 8V (+/- . 1V) 1. 025 W (operating per module) 94 V - 0 2GB (1GB 128M x 64-Bit x 2 pcs. ) DDR2-400 CL3 240-Pin DIMM Kit 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: KVR400D2N3K2/2G 240-Pin DIMM Document No. [. . . ] [. . . ]