description: valueram's kvr400d2r3k2/2g is a kit of two 128m x 72-bit (1gb) ddr2-400 cl3 sdram ( s ynchronous dram ) registered ecc memory modules. total kit capcity is 2gb (2048mb). the components on each module include eighteen 128m x 4-bit (32m x 4-bit x 4 bank) ddr2-400 sdram in fbga packages. each 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=3 5ns (min.) / 8ns (max.) row cycle time (t rc ) 55ns (min.) refresh to active/refresh command time (trfc) 127.5ns row active time (tras) 40ns (min.) / 70,000ns (max.) single power supply of +1.8v (+/- .1v) power 4.050 w (operating) ul rating 94 v - 0 document no. valueram0358-001.b00 10/11/04 figure 1: kvr400d2r3k2/2g 240-pin dimm kvr400d2r3k2/2g 2gb (1gb 128m x 72-bit x 2 pcs.) ddr2-400 cl3 registered 240-pin ecc 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. however, in no configuration will the module height exceed 1.250" (31.75mm).
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