Memory Module Specification
KVR266X72C2/512
512MB 64M x 72-Bit DDR266
CL2 ECC 184-Pin DIMM
DESCRIPTION:
This document describes ValueRAM's 64M x 72-bit (512MB) DDR266 CL2 SDRAM (Synchronous DRAM) ECC memory module. The components on this module include eighteen 32M x 8-bit DDR266 SDRAM in TSOP packages. This 184-pin DIMM uses gold contact fingers and requires +2.5V. The electrical and mechanical specifications are as follows:
FEATURES: |
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Clock Cycle Time (tCK) |
7.5ns (min.) / 12ns (max.) |
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Row Cycle Time (tRC) |
65ns (min.) |
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Refresh Row Cycle Time (tRFC) |
75ns (min.) |
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Row Active Time (tRAS) |
45ns (min.) / 120,000ns (max.) |
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Single Power Supply of |
+2.5V (+/- .25V) |
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Power (IDD0) |
3.262 W (operating) |
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UL Rating |
94 V - 0 |
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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).
1.250” |
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(31.75) |
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(17.80) |
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0.700” |
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0.393” |
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(10.00) |
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0.000” |
1 |
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(00.00) |
(00.00) |
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0.000” |
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0.250 |
0.157 |
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0.26 |
(6.350) |
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(4.00) |
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(6.62) |
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0.1496 |
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(3.80) |
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2.175 |
0.071 |
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(1.80) |
Units : Inches (Millimeters)
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2.886” (73.30) |
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0.100 |
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0.039 ± 0.002 |
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(2.50 |
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(1.000 ± 0.050) |
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0.0078 ±0.006 |
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(0.20 ±0.15) |
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0.050 |
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(1.270) |
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5.250” (133.35)
0.118
(3.00)
0.0787
(2.00)
0.1575
(4.00)
Figure 1: KVR266X72C2/512 184-Pin DDR SDRAM Module
Document No. VALUERAM0268-001.A00 |
09/26/02 |