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參數(shù)資料
| 型號： | W3EG7266S265AD4 |
| 英文描述： | 512MB - 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
| 中文描述： | 512MB的- 64Mx72 DDR SDRAM的無緩沖ECC瓦特/鎖相環(huán) |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 203K |
| 代理商： | W3EG7266S265AD4 |
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.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 specifications
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:
V
CC
= V
CCQ
= +2.5V ± 0.2V (100, 133 and
166MHz)
V
CC
= V
CCQ
= +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 ap pli ca ions.
* This data sheet describes a product that is not fully qualified or characterized and is
subject to change without notice.
OPERATING FREQUENCIES
DDR333@CL=2.5
166MHz
2.5-3-3
DDR400@CL=3
200MHz
3-3-3
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
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| W3EG7266S265AD4I | 512MB - 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL |
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| W3EG7266S202D3 | 512MB - 64Mx72 DDR SDRAM REGISTERED w/PLL |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W3EG7266S265AD4I | 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 |
| 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 |
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