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參數資料
| 型號： | W3EG64255S265JD3SG |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 256M X 64 DDR DRAM MODULE, 0.75 ns, DMA184 |
| 封裝： | ROHS COMPLIANT, DIMM-184 |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 264K |
| 代理商： | W3EG64255S265JD3SG |
1
White Electronic Designs
April 2005
Rev. 3
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
W3EG64255S-JD3
ADVANCED*
FEATURES
Double-data-rate architecture
DDR200, DDR266 and DDR333;
JEDEC design specications
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: VCC 2.5V ± 0.2V
JEDEC standard 184 pin DIMM package
JD3: 30.48 (1.20")
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
DESCRIPTION
The W3EG64255S is a 2x128Mx64 Double Data Rate
SDRAM memory module based on 512Mb DDR SDRAM
component. The module consists of sixteen 256Mx4
stacks, 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 or cancellation without notice.
2GB – 2x128Mx64 DDR SDRAM REGISTERED, w/PLL
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
2-3-3
2.5-3-3
2-2-2
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W3EG64255S265JD3XG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2GB - 2x128Mx64 DDR SDRAM REGISTERED, w/PLL |
| W3EG64255S335JD3XG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2GB - 2x128Mx64 DDR SDRAM REGISTERED, w/PLL |
| W3EG64255S-JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2GB - 2x128Mx64 DDR SDRAM REGISTERED, w/PLL |
| W3EG6432S202D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx64 DDR SDRAM UNBUFFERED |
| W3EG6432S202D4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx64 DDR SDRAM UNBUFFERED |
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