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參數資料
| 型號： | W3EG72129S-JD3 |
| 英文描述： | 1GB - 2x64Mx72 DDR SDRAM REGISTERED w/PLL |
| 中文描述： | 1GB的- 2x64Mx72 DDR SDRAM的注冊瓦特/鎖相環 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 184K |
| 代理商： | W3EG72129S-JD3 |
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
PRELIMINARY*
October 2005
Rev. 3
W3EG72129S-JD3
1GB – 2x64Mx72 DDR SDRAM REGISTERED w/PLL
DESCRIPTION
The W3EG72129S is a 2x64Mx72 Double Data Rate
SDRAM memory module based on 512Mb DDR SDRAM
component. The module consists of eighteen 64Mx8 DDR
SDRAMs in 66 pin TSOP package 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 Lenths 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 qualified or characterized and is subject to
change without notice.
FEATURES
Double-data-rate architecture
Clock speeds of 100MHz, 133MHz, 166MHz and
200MHz
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:
V
CC
= V
CCQ
= +2.5V (100, 133 and 166MHz)
V
CC
= V
CCQ
= +2.6V (200MHz)
JEDEC standard 184 pin DIMM package
PCB height:
JD3: 30.48mm (1.20")
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
OPERATING FREQUENCIES
DDR333 @CL=2.5
DDR266 @CL=2
166MHz
2.5-3-3
DDR400 @CL=3
200MHz
3-3-3
DDR266 @CL=2
133MHz
2-3-3
DDR266 @CL=2.5
133MHz
2.5-3-3
DDR200 @CL=2
100MHz
2-2-2
Clock Speed
CL-t
RCD
-t
RP
133MHz
2-2-2
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| W3EG7217S265D3 | 128MB - 16Mx72 DDR SDRAM REGISTERED, ECC w/PLL |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W3EG7217S202D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:128MB - 16Mx72 DDR SDRAM REGISTERED, ECC w/PLL |
| W3EG7217S262D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:128MB - 16Mx72 DDR SDRAM REGISTERED, ECC w/PLL |
| W3EG7217S265D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:128MB - 16Mx72 DDR SDRAM REGISTERED, ECC w/PLL |
| W3EG7217S-D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:128MB - 16Mx72 DDR SDRAM REGISTERED, ECC w/PLL |
| W3EG7218S202AD4 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:128MB - 16Mx72 DDR SDRAM UNBUFFERED w/PLL |
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