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參數(shù)資料
| 型號： | WED3EG7218S262D3 |
| 廠商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分類： | DRAM |
| 英文描述： | 16M X 72 DDR DRAM MODULE, 0.75 ns, DMA184 |
| 封裝： | DIMM-184 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 217K |
| 代理商： | WED3EG7218S262D3 |
PRELIMINARY*
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
November 2005
Rev. 1
WED3EG7218S-D3
-JD3
FEATURES
Double-data-rate architecture
DDR200 and DDR266
JEDEC design specied
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 ± 0.25V
JEDEC 184 pin DIMM package
PCB height: 30.48 (1.20")
NOTE: Consult factory for availability of:
RoHS Products
Vendor source control options
Industrial temperature option
128MB – 16Mx72 DDR SDRAM UNBUFFERED
DESCRIPTION
The WED3EG7218S is a 16Mx72 Double Data Rate
SDRAM memory module based on 128Mb DDR SDRAM
component. The module consists of nine 16Mx8 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 qualied or characterized and is subject to
change without notice.
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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| WED3EG7218S262JD3 | 16M X 72 DDR DRAM MODULE, 0.75 ns, DMA184 |
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| WED3EG7232S403JD3F | 32M X 72 DDR DRAM MODULE, 0.7 ns, DMA184 |
| WED3EG7232S202JD3 | 32M X 72 DDR DRAM MODULE, 0.75 ns, DMA184 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WED3EG7218S-JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:128MB - 16Mx72 DDR SDRAM UNBUFFERED |
| WED3EG72256SXX-JD3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DDR SDRAM Modules - 184 Pin DIMM. Registered 72-bit wide |
| WED3EG7232S-JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx72 DDR SDRAM UNBUFFERED |
| WED3EG7233S202D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 2x16Mx72 DDR SDRAM UNBUFFERED |
| WED3EG7233S202JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 2x16Mx72 DDR SDRAM UNBUFFERED |
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