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參數(shù)資料
| 型號： | W3EG7234S202JD3 |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 32M X 72 DDR DRAM MODULE, DMA184 |
| 封裝： | DIMM-184 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 320K |
| 代理商： | W3EG7234S202JD3 |
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White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
W3EG7234S-D3
-JD3
-AJD3
December 2004
Rev. 2
PRELIMINARY*
256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL
DESCRIPTION
The W3EG7234S is a 32Mx72 Double Data Rate
SDRAM memory module based on 128Mb DDR
SDRAM component. The module consists of eighteen
32Mx4 DDR SDRAMs in 66 pin TSOP package
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 Lenths 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 qualied or characterized and is subject to
change without notice.
FEATURES
Double-data-rate architecture
Clock speeds: 100MHz and 133MHz
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: 2.5V ± 0.20V
JEDEC standard 184 pin DIMM package
Package height options:
JD3: 30.48mm (1.20")
AJD3: 28.70mm (1.13")
OPERATING FREQUENCIES
DDR266 @CL=2
DDR266 @CL=2.5
DDR200 @CL=2
Clock Speed
133MHz
100MHz
CL-tRCD-tRP
2-2-2
2.5-3-3
2-2-2
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