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KHX6400D2K2/4G: Memory Module Specifications

The document summarizes the specifications of the Kingston KHX6400D2K2/4G 4GB DDR2 memory module kit. The kit contains two 2GB DDR2-800 memory modules running at 5-5-5-15 latency at 1.85V. Each module uses sixteen 128M x 8-bit DDR2 chips and has a total capacity of 2GB. The key specifications include an operating voltage of 1.8V, refresh interval of 7.8us, burst lengths of 4 or 8, and operating temperatures from 0-55°C.

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115 views2 pages

KHX6400D2K2/4G: Memory Module Specifications

The document summarizes the specifications of the Kingston KHX6400D2K2/4G 4GB DDR2 memory module kit. The kit contains two 2GB DDR2-800 memory modules running at 5-5-5-15 latency at 1.85V. Each module uses sixteen 128M x 8-bit DDR2 chips and has a total capacity of 2GB. The key specifications include an operating voltage of 1.8V, refresh interval of 7.8us, burst lengths of 4 or 8, and operating temperatures from 0-55°C.

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Memory Module Specifications

KHX6400D2K2/4G
4GB (2GB 256M x 64-Bit x 2 pcs.)
PC2-6400 CL5 240-Pin DIMM Kit

SPECIFICATIONS

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

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

Refresh to Active/Refresh 127.5ns


Command Time (tRFC)
d
ye Row Active Time (tRAS) 45ns (min.) / 70,000ns (max.)
Ke
Single Power Supply of +1.8V (+/- .1V)
Y
G
O
L
O
N

Power 2.016 W (operating per module)


H
C
E
T

UL Rating 94 V - 0

Operating Temperature 0 C to 55 C

Storage Temperature -55 C to +125 C

DESCRIPTION FEATURES
Kingstons KHX6400D2K2/4G is a kit of two 256M x 64- Power supply : Vdd: 1.8V 0.1V, Vddq: 1.8V 0.1V
bit 2GB (2048MB) DDR2-800 CL5 SDRAM (Synchro- Double-data-rate architecture; two data transfers per
nous DRAM) memory modules, based on sixteen 128M x clock cycle
8-bit DDR2 FBGA components. Total kit capacity is 4GB
Bidirectional data strobe(DQS)
(4096MB). Each module pair has been tested to run at
DDR2 800MHz at latency timing of 5-5-5-15 at 1.85V. The Differential clock inputs(CK and CK)
SPD is programmed to JEDEC standard latency 667Mhz DLL aligns DQ and DQS transition with CK transition
timing of 5-5-5-15 at 1.8V. Each 240-pin DIMM uses gold Programmable Read latency 5 (clock)
contact fingers and requires +1.8V. The electrical and me-
chanical specifications are as follows: Burst Length: 4, 8 (Interleave/nibble sequential)
Programmable Burst type (sequential & interleave)
Timing Reference: 5-5-5-15 at +1.8V / 5-5-5-15 at +1.85V
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

Continued >>

Kingston.com Document No. 4804737-001.C00 07/18/11 Page 1


continued HyperX

MODULE DIMENSIONS:

FOR MORE INFORMATION, GO TO WWW.KINGSTON.COM

All Kingston products are tested to meet our published specifications. Some motherboards or system configurations may not operate at
the published HyperX memory speeds and timing settings. Kingston does not recommend that any user attempt to run their computers
faster than the published speed. Overclocking or modifying your system timing may result in damage to computer components.

Kingston.com Document No. 4804737-001.C00 07/18/11 Page 2

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