Infineon DDR2 2GB (2x1024MB) Xtune Kit AXT760UD00-25C Scheda Tecnica

AENEON™ Data Sheet

2

Revision 1.10, 2008-06

A Qimonda AG Brand

Doc. # 12282007-AK8L-UZK1

All Rights Reserved.

Attention please!
The information herein is given to describe certain components and shall not be considered
as a guarantee of characteristics. Terms of delivery and rights to technical change reserved.
We hereby disclaim any and all warranties, including but not limited to warranties of non-
infringement, regarding circuits, descriptions and charts stated herein.

Warnings
Under no circumstances may Qimonda AG products of the brand AENEON ("Aeneon
Product(s)") be used in any applications, devices or systems that are safety critical or serve
the purpose of supporting, maintaining, sustaining or protecting human life (such
applications, devices and systems collectively referred to as "Critical Systems"), if

1. A failure of the AENEON Products can reasonable be expected to –directly or indirectly–

a. Have a detrimental effect on such Critical Systems in terms of reliability, effectiveness

or safety; or 

b. Cause the failure of such Critical Systems; or

2. A failure or malfunction of such Critical Systems can reasonably be expected to 

–directly or indirectly– 
a. Endanger the health or the life of the user of such Critical Systems or any other

person; or 

b. Otherwise cause material damages (including but not limited to damages or serious

injury to life or property, whether tangible or intangible).

Unbuffered Memory Module
Double Data Rate Two

DDR2-800C 4-4-4-12
AXT760UD00-25C

AXT76UD00-25CM97-K(n)-2G

AXT760UD00-25C-K-2G

2 x 1GB kit

DDR2-800C CL4 
@1.8 V

DDR2-800D CL5 
@1.8 V

DDR2-800D 5-5-5-12
AXT960UD20-25D

AXT960UD20-25D-K-8G

2 x 4GB kit

DDR2-800D CL5 
@1.8 V

DDR2-800D CL5 
@1.8 V

1) (n) :  Regional versions

2) New naming convention is used for the same product to simplify the Kit Sales Description.

Clock cycle time 

CK.MIN

2.5 ns

1.75 ns

1.87 ns

1.87 ns

2.5 ns

Activate to read/write delay

RCD(MIN)

 

12.5 ns

8.75 ns

9.35 ns

11.22 ns

10 ns

Row cycle time

RC.MIN

 

57.5 ns

35 ns

37.4 ns

44.88 ns

55 ns

Row active time 

RAS.MIN

45 ns

26.25 ns

28.05 ns

233.66 ns

45 ns

Single power supply 

DD 

= 

DDQ

1.8 v ± 0.1V 2.3 V ± 0.1V

1.8 V ± 0.1V  1.8 V ± 0.1V  1.8 V ± 0.1V

Refresh row cycle time 

RFC(MIN)

105 ns

Module dimensions L x W x H (max)

133.35 mm x 31.0 mm x 4.0 mm
5.25” x 1.22” x 0.16”

DRAM Case Temperature 

CASE(MIN/MAX)

0°C / 85°C 0°C / 65°C