White Electronic Designs
W3HG264M72EER-AD7
ADVANCED*
1GB – 2x64Mx72 DDR2 SDRAM REGISTERED, w/PLL,
VLP Mini-DIMM
FEATURES
244-pin, very low profile dual in-line memory
module (VLP Mini-DIMM)
Fast data transfer rates: PC2-3200, PC2-4200,
PC2-5300*, and PC2-6400*
Supports ECC error detection and correction
V
CC
= V
CCQ
= 1.8V ±0.1V
V
CCSPD
= 1.7V to 3.6V
Differential data strobe (DQS, DQS#) option
Four-bit prefetch architecture
Programmable CAS# latency (CL)
Posted CAS# additive latency (AL)
On-die termination (ODT)
Programmable burst lenghts: 4 or 8
Serial Presence Detect (SPD) with EEPROM
Auto and Self Refresh Capability (64ms: 8,192
cycle refresh)
Gold (Au) edge contacts
RoHS compliant
Dual Rank
Package option
• 244 Pin Mini-DIMM
• PCB – 18.29mm (0.72")
DESCRIPTION
The W3HG264M72EER is a 2x64Mx72 Double Data
Rate DDR2 SDRAM high density module. This memory
module consists of eighteen 64Mx8 bit with 4 banks DDR2
Synchronous DRAMs in FBGA packages, mounted on a
244-pin DIMM FR4 substrate.
* This product is under development, is not qualified or characterized and is subject to
change or cancellation without notice.
NOTE: Consult factory for availability of:
• Vendor source control options
• Industrial temperature option
• Parity option
OPERATING FREQUENCIES
PC2-3200
Clock Speed
CL-t
RCD
-t
RP
* Contact factory for availability
PC2-4200
266MHz
4-4-4
PC2-5300*
333MHz
5-5-5
PC2-6400*
400MHz
6-6-6
200MHz
3-3-3
December 2005
Rev. 0
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
