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參數資料
| 型號： | W3EG7266S265AD4I |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 64M X 72 DDR DRAM MODULE, 0.75 ns, DMA200 |
| 封裝： | SODIMM-200 |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 208K |
| 代理商： | W3EG7266S265AD4I |
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
October 2004
Rev. 7
W3EG7266S-AD4
-BD4
PRELIMINARY*
White Electronic Designs
512MB – 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL
FEATURES
Double-data-rate architecture
DDR200, DDR266, DDR300 and DDR400
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
Power supply:
VCC = VCCQ = +2.5V ± 0.2V (100, 133 and
166MHz)
VCC = VCCQ = +2.6V ± 0.1V (200MHz)
JEDEC standard 200 pin SO-DIMM package
Package height options:
AD4: 35.05 mm (1.38”)
BD4: 31.75 mm (1.25”)
NOTE: Consult factory for availability of:
Lead-Free Products
Vendor source control options
Industrial temperature options
DESCRIPTION
The W3EG7266S is a 64Mx72 Double Data Rate
SDRAM memory module based on 512Mb DDR SDRAM
components. The module consists of nine 64Mx8 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 data sheet describes a product that is not fully qualied or characterized and is
subject to change 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
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| W3EG7266S265BD4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
| W3EG7266S265BD4I | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
| W3EG7266S265D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 DDR SDRAM REGISTERED w/PLL |
| W3EG7266S335AD4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
| W3EG7266S335AD4I | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
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