Memory Module Specification
KVR667D2D4P5/4G
4GB 512M x 72-Bit DDR2-667
CL5 Registered w/Parity 240-Pin DIMM
DESCRIPTION:
This document describes ValueRAM's 512M x 72-bit 4GB (4096MB) DDR2-667 CL5 SDRAM (Synchronous DRAM) "dual rank" Registered w/Parity memory module. The components on this module include eighteen stacked 512M x 4-Bit (thirty-six 256M x 4-bit) DDR2-667 SDRAM. This 240-pin DIMM uses gold contact fingers and requires +1.8V. The electrical and mechanical specifications are as follows:
FEATURES: |
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Clock Cycle Time (tCK) CL=5 |
3ns (min.) / 8ns (max.) |
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Row Cycle Time (tRC) |
54ns (min.) |
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RefreshtoActive/RefreshCommandTime(tRFC) |
127.5ns |
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Row Active Time (tRAS) |
39ns (min.) / 70,000ns (max.) |
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Single Power Supply of |
+1.8V (+/- .1V) |
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Power |
5.940 W (operating) |
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UL Rating |
94 V - 0 |
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Figure 1: KVR667D2D4P5/4G 240-Pin DIMM
DocumentNo.VALUERAM0527-001.A00 |
12/06/06 |