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Memory Module Specification

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 thirty-six 256M x 4-bit SDRAMs. This 240-pin DIMM uses gold contact fingers

and requires +1.8V. The electrical and mechanical specifications are as follows:

FEATURES:

Clock Cycle Time (tCK) CL=5 3ns (min.) / 8ns (max.)

Row Cycle Time (tRC) 60ns (min.)

Refresh to Active/Refresh Command Time (tRFC) 127.5ns

Row Active Time (tRAS) 45ns (min.) / 70,000ns (max.)

Single Power Supply of +1.8V (+/- .1V)

Power 5.940 W (operating)

UL Rating 94 V - 0

Document No. VALUERAM0887-001.A00

02/02/10

Figure 1: KVR667D2D4P5/4GEF 240-Pin DIMM

KVR667D2D4P5/4GEF

4GB 512M x 72-Bit DDR2-667

CL5 Registered w/Parity 240-Pin DIMM

DRAM Supported:

Elpida F-Die

(Units = millimeters)

Memory Module SpecificationDESCRIPTION:This document describes ValueRAM's 512M x 72-bit 4GB (4096MB) DDR2-667 CL5 SDRAM(Synchronous DRAM) "d

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Kingston Technology KVR667D2D4P5/4GEF Scheda Tecnica