description: valueram's kvr400x64c3ak2/512 is a kit of two 32m x 64-bit (256mb) ddr400 cl3 sdram (synchronous dram) memory modules. total kit capacity is 512mb. the components on each module include eight 32m x 8-bit (8m x 8-bit x 4 bank) ddr400 sdram in tsop packages. each 184-pin dimm uses gold contact fingers and requires +2.6v. the electrical and mechanical specifications are as follows: features: clock cycle time (tck) 5ns (min.) / 10ns (max.) row cycle time (t rc ) 55ns (min.) refresh row cycle time (trfc) 70ns (min.) row active time (tras) 40ns (min.) / 70,000ns (max.) single power supply of +2.6v (+/- .1v) power (idd0) 2.184 w (operating) ul rating 94 v - 0 document no. valueram0310-001.b00 10/05/04 figure 1: kvr400x64c3ak2/512 184-pin dimm kvr400x64c3ak2/512 512mb (256mb 32m x 64-bit x 2 pcs.) ddr400 cl3 184-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. however, in no configuration will the module height exceed 1.250" (31.75mm). 1.200 (30.48)
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