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參數資料
| 型號： | W3EG7235S265JD3 |
| 英文描述： | 256MB - 2x16Mx72 DDR SDRAM REGISTERED ECC, w/PLL |
| 中文描述： | 256MB的- 2x16Mx72寄存ECC DDR內存，瓦特/鎖相環 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 318K |
| 代理商： | W3EG7235S265JD3 |
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
November 2004
Rev. 2
PRELIMINARY*
W3EG7235S-JD3
OPERATING FREQUENCIES
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
256MB – 2x16Mx72 DDR SDRAM REGISTERED ECC, w/PLL
The WED3DG7235S is a 2x16Mx72 Double Data Rate
SDRAM memory module based on 128Mb DDR SDRAM
component. The module consists of eighteen 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 ap pli ca ions.
* This product is under development, is not qualified or characterized and is subject to
change without notice.
DESCRIPTION
FEATURES
Double-data-rate architecture
Speeds of 100MHz and 133MHz
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 ± 0.20V
JEDEC standard 184 pin DIMM package
Package height option:
JD3 30.48 mm (1:20")
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
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| W3EG7235S-JD3 | 256MB - 2x16Mx72 DDR SDRAM REGISTERED ECC, w/PLL |
| W3EG7236S202D3 | 256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7236S262D3 | 256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7236S265D3 | 256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7236S-D3 | 256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W3EG7235S-JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 2x16Mx72 DDR SDRAM REGISTERED ECC, w/PLL |
| W3EG7236S202D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7236S262D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7236S265D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7236S-D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL |
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