description: this document describes valueram's 128m x 64-bit 1gb (1024mb) ddr2-667 cl5 sdram ( s ynchronous dram ) memory module. the components on this module include eight 128m x 8-bit ddr2-667 sdram in fbga packages. this 240-pin dimm uses gold contact fingers and requires +1.8v. the electrical and mechanical specifications are as follows: features: clock cycle time (tck) cl=5 3ns (min.) / 8ns (max.) row cycle time (t rc ) 60ns (min.) refresh to active/refresh command time (trfc) 127.5ns row active time (tras) 45ns (min.) / 70,000ns (max.) single power supply of +1.8v (+/- .1v) power 1.225 w (operating) ul rating 94 v - 0 document no. valueram0408-001.c00 09/09/09 figure 1: kvr667d2n5/1g 240-pin dimm kvr667d2n5/1g 1gb 128m x 64-bit ddr2-667 cl5 240-pin dimm units : millimeters 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.
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