ETC BL25664AA804

512MB / 1GB / 2GB (x64)
UNBUFFERED DDR2 SDRAM DIMM
DDR2 UNBUFFERED
SDRAM DIMM
BL6464AA
BL12864AA
BL25664AA
FEATURES
• 240-pin dual in-line memory module (DIMM)
• Fast data transfer rates: PC2-8500, PC2-6400, or PC25300
• 512MB (64 Meg x 64), 1GB (128 Meg x 64), and 2GB
(256 Meg x 64)
• Exclusively designed for high-performance systems
• Critical performance parameters tested for functionality
• Speed verification performed in-system
• VDD = +2.2V ±0.1V, VDDQ = +2.2V ±0.1V
• VDDSPD = +1.7V to +3.6V
• Differential data strobe (DQ, DQS#) option
• Four-bit prefetch architechture
• Auto Refresh (CBR) and Self Refresh Mode
• 7.8125μs maximum average periodic refresh interval
• 64ms, 8,192-cycle refresh
• On-die termination (ODT)
• Serial Presence Detect (SPD) with EEPROM
• Gold edge contacts
• Aluminum heat spreader
• 1.18” (30mm) PCB Height
TIMING PARAMETERS
MODULE
MARKING
1065
804
663
MODULE
BANDWIDTH
8.5 GB/s
6.4 GB/s
5.3 GB/s
LATENCY
(CL - tRCD - tRP - tRAS)
5 - 5 - 5 - 15 *
4 - 4 - 4 - 12 *
3 - 3 - 3 - 12 *
* Perfomance is verified during testing.
PART NUMBERS
PART NUMBER
BL6464AA804
BL6464AA663
BL12864AA1065
BL12864AA804
BL12864AA663
BL25664AA804
MODULE
DENSITY
512MB
512MB
1GB
1GB
1GB
2GB
MEMORY CLOCK/
DATA BIT RATE
2.5ns/800 MT/s
3.0ns/667 MT/s
1.87ns/1066 MT/s
2.5ns/800 MT/s
3.0ns/667 MT/s
2.5ns/800 MT/s
BANKING
CONFIGURATION
Single
Single
Single
Single
Single
Dual
COMPONENT
CONFIGURATION
64 Meg x 8
64 Meg x 8
128 Meg x 8
128 Meg x 8
128 Meg x 8
128 Meg x 8
Crucial® Ballistix™ products are warranted to meet the datasheet specifications as found on its web page www.crucial.com/ballistix.
Some system configurations may not be designed to operate or may not operate at the published Crucial Ballistix memory speed and
timing settings. Overclocking, running your system faster than the speed for which it was designed or the published speed, or otherwise
modifying your system timing may result in damage to computer components and Crucial disclaims any and all liability for such damage.
©2008 Micron Technology, Inc. All rights reserved. Information is subject to change without notice. Micron, Crucial, the Crucial logo,
Ballistix, and the Ballistix logo are trademarks of Micron Technology, Inc. All other trademarks are the property of their respective owners.
64, 128, 256 Meg x 64 Unbuffered DDR2 SDRAM DIMM
BL0001.pdf Rev. 2/14/08
1
Micron Technology reserves the right to change products or specifications without notice.
©2008, Micron Technology