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參數(shù)資料
| 型號(hào)： | W3EG7264S202AD4MG |
| 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： | ROHS COMPLIANT, SO-DIMM-200 |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大小： | 197K |
| 代理商： | W3EG7264S202AD4MG |
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White Electronic Designs
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
January 2005
Rev. 3
W3EG7264S-AD4
-BD4
PRELIMINARY*
512MB – 2x32Mx72 DDR ECC SDRAM UNBUFFERED w/PLL
Double-data-rate architecture
DDR200, DDR266 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: 2.5V ± 0.2V
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:
RoHS compliant products
Vendor source control options
Industrial temperature option
The W3EG7264S is a 2x32Mx72 Double Data Rate
SDRAM memory module based on 512Mb DDR SDRAM
components. The module consists of nine 64Mx8 DDR
SDRAMs stacked in 54 pin TSOP packages mounted on
a 200 pin FR4 substrate. This module is structured as 2
Ranks of 64Mx72 DDR SDRAM.
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.
DESCRIPTION
FEATURES
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
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| W3E32M72S-266SBI | 32M X 72 DDR DRAM, 0.75 ns, PBGA208 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W3EG7264S202BD4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 2x32Mx72 DDR ECC SDRAM UNBUFFERED w/PLL |
| W3EG7264S202JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 DDR SDRAM UNBUFFERED |
| W3EG7264S262AD4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 2x32Mx72 DDR ECC SDRAM UNBUFFERED w/PLL |
| W3EG7264S262BD4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 2x32Mx72 DDR ECC SDRAM UNBUFFERED w/PLL |
| W3EG7264S263JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 64Mx72 DDR SDRAM UNBUFFERED |
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