memory module specifcations KVR333S8R25/512 512mb 64m x 72-bit ddr333 cl2.5 registered 184-pin ecc dimm kingston.com document no. valueram0443-001.a00 06/21/05 description this document describes valuerams 64m x 72-bit (512mb) ddr333 cl2.5 sdram (synchronous dram) single rank registered ecc memory module. the components on this module include nine 64m x 8-bit (16m x 8-bit x 4 bank) ddr333 sdram in tsop packages. this 184-pin dimm uses gold contact fngers and requires +2.5v. the electrical and mechanical specifcations are as follows: specifications clock cycle time (tck) 6ns (min.) / 12ns (max.) row cycle time (trc) 60ns (min.) refresh row cycle time (trfc) 72ns (min.) row active time (tras) 42ns (min.) / 70,000ns (max.) single power supply of +2.5v (+/- .2v) power 4.125 w (operating) ul rating 94 v - 0 figure 1: KVR333S8R25/512 184-pin dimm note: the module defned in this data sheet is one of several confgurations available under this part number. while all confgurations are compatible, the dram combination and/or the module height may vary from what is described here.
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