description: this document describes valueram's 32m x 72-bit (256mb), cas latency 3 (cl3) sdram (synchronous dram) pc100 ecc memory module. the components on this module include eighteen 16m x 8-bit (4m x 8-bit x 4 bank / pc100 components) sdram in tsop packages. this 168-pin dimm uses gold contact fingers and requires +3.3v. the electrical and mechanical specifications are as follows: features: clk cycle time (t cc ) min. = 10ns (cas latency = 3) / max. = 1000ns row cycle time (t rc ) 70ns clk to output (ts ac ) max. = 6ns (cas latency = 3) single power supply of +3.3v (+/- .3v) power 4.728 w (operating) ul rating 94 v - 0 document no. valueram0118-001.b00 02/27/02 figure 1: kvr100x72c3/256 168-pin sdram module kvr100x72c3/256 256mb pc100 cl3 168-pin ecc sdram dimm module
! ! ! " # 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 1.375" (34.92mm).
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