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參數資料
| 型號： | W3EG64128S202BD4 |
| 英文描述： | 1GB - 2x64Mx64 DDR SDRAM UNBUFFERED w/PLL |
| 中文描述： | 1GB的- 2x64Mx64 DDR SDRAM的緩沖瓦特/鎖相環(huán) |
| 文件頁數： | 1/9頁 |
| 文件大小： | 149K |
| 代理商： | W3EG64128S202BD4 |
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
May 2004
Rev. 0
PRELIMINARY*
W3EG64128S-AD4
-BD4
1GB – 2x64Mx64 DDR SDRAM UNBUFFERED w/PLL
FEATURES
Double-data-rate architecture
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
JEDEC standard 200 pin SO-DIMM package
Package height options:
BD4: 31.75 mm (1.25”)
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
DESCRIPTION
The W3EG64128S is a 2x64Mx64 Double Data Rate
SDRAM memory module based on 512Mb DDR SDRAM
component. The module consists of eight 128Mx8 stack
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 ap pli ca ions.
* This product is under development, is not qualified or characterized and is subject to
change without notice.
DDR333 @CL=2.5
166MHz
2.5-3-3
DDR266 @CL=2
133MHz
2-2-2
DDR266 @CL=2.5
133MHz
2.5-3-3
DDR200 @CL=2
100MHz
2-2-2
Clock Speed
CL-t
RCD
-t
RP
OPERATING FREQUENCIES
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W3EG64128S202D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR SDRAM UNBUFFERED |
| W3EG64128S202JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR SDRAM UNBUFFERED |
| W3EG64128S262AD4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR SDRAM UNBUFFERED w/PLL |
| W3EG64128S262BD4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR SDRAM UNBUFFERED w/PLL |
| W3EG64128S262D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:1GB - 2x64Mx64 DDR SDRAM UNBUFFERED |
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