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参数资料
| 型号： | W3EG72128S202BD4-M |
| 厂商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分类： | DRAM |
| 英文描述： | 128M X 72 DDR DRAM MODULE, 0.75 ns, DMA200 |
| 封装： | SO-DIMM-200 |
| 文件页数： | 1/14页 |
| 文件大小： | 197K |
| 代理商： | W3EG72128S202BD4-M |
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White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
W3EG72128S-AD4
-BD4
August 2005
Rev. 3
PRELIMINARY*
OPERATING FREQUENCIES
DDR333 @CL=2.5
DDR266 @CL=2
DDR266 @CL=2.5
DDR200 @CL=2
Clock Speed
166MHz
133MHz
100MHz
CL-tRCD-tRP
2.5-3-3
2-2-2
2.5-3-3
2-2-2
1GB – 2x64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL
FEATURES
Double-data-rate architecture
DDR200, DDR266 and DDR333
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
Dual Rank
Power supply: 2.5V ± 0.20V
JEDEC standard 200 pin SO-DIMM package
Package height options:
AD4: 35.5 mm (1.38") and
BD4: 31.75 mm (1.25")
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
DESCRIPTION
The W3EG72128S is a 2x64Mx72 Double Data Rate
SDRAM memory module based on 512Mb DDR SDRAM
components. This module consists of eighteen 64Mx8 bit
DDR SDRAMs in 66 pin TSOP packages mounted on a
200 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 qualied or characterized and is subject to
change without notice.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W3EG72128S202BD4-XG | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
| W3EG72128S202D3 | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR SDRAM UNBUFFERED |
| W3EG72128S202JD3 | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR SDRAM UNBUFFERED |
| W3EG72128S262AD4-XG | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
| W3EG72128S262BD4-XG | 制造商:WEDC 制造商全称:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
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