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Memory Module Specification KVR400S8R3A/512 512MB 64M x 72-Bit DDR400 CL3 Registered ECC 184-Pin DIMM DESCRIPTION: This document describes Kingston's 64M x 72-bit (512MB) DDR400 CL3 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) DDR400 SDRAM in TSOP packages. This 184-pin DIMM uses gold contact fingers and requires +2.6V. The electrical and mechanical specifications are as follows: FEATURES: Clock Cycle Time (tCK) Row Cycle Time (tRC) Refresh Row Cycle Time (tRFC) Row Active Time (tRAS) Single Power Supply of Power UL Rating 5ns (min.) / 10ns (max.) 55ns (min.) 70ns (min.) 40ns (min.) / 70,000ns (max.) +2.6V (+/- .1V) 2.808 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 1.200" (30.48mm). Units : Inches (Millimeters) 1.200 (30.48) (17.80) 0.700 0.393 (10.00) 0.250 (6.350) 0.157 (4.00) 0.1496 (3.80) 2.175 0.071 (1.80) 0.100 0.26 (6.62) (2.50 ) 2.886 (73.30) 5.250 (133.35) 1 0.000 (00.00) 0.000 (00.00) 0.118 (3.00) 0.039 ± 0.002 (1.000 ± 0.050) 0.0787 (2.00) 0.0078 ±0.006 (0.20 ±0.15) 0.050 (1.270) 0.1575 (4.00) Figure 1: KVR400S8R3A/512 184-Pin DIMM Document No. VALUERAM0420-001.A00 05/17/05
