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參數(shù)資料
| 型號： | W3EG7232SxxxAD4-MG |
| 英文描述： | 256MB - 32Mx72 DDR SDRAM UNBUFFERED w/PLL |
| 中文描述： | 256MB的- 32Mx72 DDR內存緩沖瓦特/鎖相環(huán) |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 321K |
| 代理商： | W3EG7232SXXXAD4-MG |
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White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
W3EG7232S-AD4
-BD4
August 2005
Rev. 4
PRELIMINARY*
256MB – 32Mx72 DDR SDRAM UNBUFFERED w/PLL
FEATURES
Double-data-rate architecture
DDR200, DDR266 and DDR300
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: 2.5V ± 0.2V
JEDEC standard 200 pin SO-DIMM package
Package height options:
AD4: 35.5 mm (1.38") and
BD4: 31.75 mm (1.25")
DESCRIPTION
The W3EG7232S is a 32Mx72 Double Data Rate
SDRAM memory module based on 256Mb DDR SDRAM
components. The module consists of nine 32Mx8 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.
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
OPERATING FREQUENCIES
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
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| W3EG7232SXXXAD4-SG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx72 DDR SDRAM UNBUFFERED w/PLL |
| W3EG7234S202AJD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7234S202D3 | 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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| W3EG7234S262AJD3 | 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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