description: this document describes valueram's 128m x 72-bit 1gb (1024mb) ddr333 cl2.5 sdram (synchronous dram) ecc memory module. the components on this module include eigh- teen 64m x 8-bit (16m x 8-bit x 4 bank ) ddr333 sdram in tsop packages. this 184-pin dimm uses gold contact fingers and requires +2.5v. the electrical and mechanical specifi- cations are as follows: features: clock cycle time (tck) 6ns (min.) / 12ns (max.) row cycle time (t rc ) 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 (idd0) 3.950 w (operating) ul rating 94 v - 0 document no. valueram0317-001.b00 08/10/04 figure 1: kvr333x72c25/1g 184-pin dimm kvr333x72c25/1g 1gb 128 x 72-bit ddr333 cl2.5 184-pin ecc dimm
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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