description: this document describes valueram's 32m x 72-bit (256mb) cl3 pc133 sdram (syn- chronous dram) ecc dimm module. the components on this module include nine 32m x 8-bit (8m x 8-bit x 4 bank) pc133 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. = 7.5ns (cas latency = 3) / max. = 1000ns row cycle time (t rc ) 65ns clk to output (ts ac ) max. = 5.4ns (cas latency = 3) single power supply of +3.3v (+/- .3v) power 2.376 w (operating) ul rating 94 v - 0 document no. valueram0023-001.c00 01/28/03 figure 1: kvr133x72c3/256 168-pin sdram module kvr133x72c3/256 256mb 32m x 72-bit pc133 cl3 ecc 168-pin 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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