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W3EG128M72ETSU265D3 Datasheet(PDF) 1 Page - White Electronic Designs Corporation

Part # W3EG128M72ETSU265D3
Description  1GB - 128Mx72 DDR SDRAM UNBUFFERED ECC w/PLL
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Manufacturer  WEDC [White Electronic Designs Corporation]
Direct Link  http://www.whiteedc.com
Logo WEDC - White Electronic Designs Corporation

W3EG128M72ETSU265D3 Datasheet(HTML) 1 Page - White Electronic Designs Corporation

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White Electronic Designs
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
January 2005
Rev. 0
W3EG128M72ETSU-D3
-JD3
-AJD3
ADVANCED*
1GB – 128Mx72 DDR SDRAM UNBUFFERED ECC w/PLL
FEATURES
Double-data-rate architecture
DDR200, DDR266, DDR333 and DDR400
• JEDEC design specification
Bi-directional data strobes (DQS)
Differential clock inputs (CK & CK#)
Programmable Read Latency 2,2.5 (clock)
Programmable Burst Length (2,4,8)
Programmable Burst type (sequential & interleave)
Edge aligned data output, center aligned data input
Auto and self refresh
Serial presence detect
Power supply:
• VCC = VCCQ = +2.5V ± 0.2V (100, 133 and
166MHz)
• VCC = VCCQ = +2.6V ± 0.1V (200MHz)
JEDEC standard 184 pin DIMM package
• Package height options:
JD3: 30.48 mm (1.20”)
AJD3: 28.70 mm (1.13”)
NOTE: Consult factory for availability of:
• Lead-free products
• Vendor source control option
• Industrial temperature option
DESCRIPTION
The W3EG128M72ETSU is a 128Mx72 Double Data Rate
SDRAM memory module based on 1Gb DDR SDRAM
components. The module consists of nine 128Mx8 DDR
SDRAMs in 66 pin TSOP packages mounted on a 184
pin FR4 substrate.
Synchronous design allows precise cycle control with the
use of system clock. Data I/O transactions are possible
on both edges and Burst Lengths allow the same device to
be useful for a variety of high bandwidth, high performance
memory system applications.
* This product is under development, is not qualified or characterized and is subject to
change or cancellation without notice.
OPERATING FREQUENCIES
DDR400@CL=3
DDR333@CL=2.5
DDR266@CL=2
DDR266@CL=2.5
DDR200@CL=2
Clock Speed
200MHz
166MHz
133MHz
133MHz
100MHz
CL-tRCD-tRP
3-3-3
2.5-3-3
2-2-2
2.5-3-3
2-2-2


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