Memory Module Specification KVR100X72C3/256 256MB PC100 CL3 168-Pin ECC SDRAM DIMM Module 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 (tCC) Row Cycle Time (tRC) CLK to Output (tSAC) Single Power Supply of Power UL Rating min. = 10ns (CAS Latency = 3) / max. = 1000ns 70ns max. = 6ns (CAS Latency = 3) +3.3V (+/- .3V) 4.728 W (operating) 94 V - 0 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). Units : Inches (millimeters) 5.250 (133.350) R 0.079 (R 2.000) 0.175 (4.45) 0.157 ± 0.004 (4.000 ± 0.100 ) B A .118DIA ± .004 (3.000DIA ± .100) 0.350 (8.890) .450 (11.430) C 0.250 (6.350) 0.250 (6.350) 1.450 (36.830) 2.150 (54.61) 0.100Min (2.540Min) 0.700 (17.780) 0.118 (3.000) 1.250 (31.75) 0.387 ± 0.062 (9.84 ± 1.59) 0.089 (2.26) 5.014 (127.350) 0.118 (3.000) 4.550 (115.57) 0.200 Min (5.08 Min) 0.150 Max (3.81 Max) 0.050 ± 0.0039 (1.270 ± 0.10) Figure 1: KVR100X72C3/256 168-Pin SDRAM Module Document No. VALUERAM0118-001.B00 02/27/02