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Memory Module Specification

Document No. 4804756-001.A00

06/12/07

KHX6400D2ULK2/2G

2GB (1GB 128M x 64-Bit x 2 pcs.)

PC2-6400 CL3 240-Pin DIMM Kit

KEYED

Page 1

DESCRIPTION:

Kingston's KHX6400D2ULK2/2G is a kit of two ultra low-latency 128M x 64-bit 1GB (1024MB)

DDR2-800 CL3 SDRAM (Synchronous DRAM) memory modules, based on sixteen 64M x 8-bit

DDR2 FBGA components per module. Total kit capacity is 2GB (2048MB). Each module pair has

been tested to run at DDR2 800MHz at low latency timing of 3-3-3-10 at 2.3-2.35V. The SPD is

programmed to JEDEC standard latency 800Mhz timing of 5-5-5-15 at 1.8V. Each 240-pin DIMM

uses gold contact fingers and requires +1.8V. The electrical and mechanical specifications are as

follows:

FEATURES:

Power supply : Vdd: 1.8V ± 0.1V, Vddq: 1.8V ± 0.1V

Double-data-rate architecture; two data transfers per clock cycle

Bidirectional data strobe(DQS)

Differential clock inputs (CK and CK)

DLL aligns DQ and DQS transition with CK transition

Programmable Read latency 3, 4, 5 (clock)

Burst Length: 4, 8 (Interleave/nibble sequential)

Programmable Burst type (sequential & interleave)

Timing Reference: 800MHz 5-5-5-15 at +1.8V / 800MHz 3-3-3-10 at +2.3-2.35V

Edge aligned data output, center aligned data input

Auto & Self refresh, 7.8us refresh interval (8K/64ms refresh)

Serial presence detect with EEPROM

High Performance Heat Spreader

PCB : Height 1.180” (30.00mm), double sided component

PERFORMANCE:

Clock Cycle Time (tCK) CL=5 2.5ns (min.) / 8ns (max.)

Row Cycle Time (tRC) 57.5ns (min.)

Refresh to Active/Refresh Command Time (tRFC) 105ns

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

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

Power 1.922 W (operating per module)

UL Rating 94 V - 0

Operating Temperature 0

C to 55

Storage Temperature -55

C to +125

TECHNOLOGY

1 2

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Pagina 1 - Memory Module Specification

Memory Module SpecificationDocument No. 4804756-001.A0006/12/07KHX6400D2ULK2/2G2GB (1GB 128M x 64-Bit x 2 pcs.)PC2-6400 CL3 240-Pin DIMM KitKEYEDPage

Pagina 2 - MODULE DIMENSIONS:

Kingston TechnologyDocument No. 4804756-001.A00 Page 2MODULE DIMENSIONS:All Kingston products are tested to meet our published specifications. Some mo

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