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參數(shù)資料
| 型號(hào)： | W3EG72256MS133AJD3SF |
| 英文描述： | 2GB-256Mx72 DDR SDRAM REGISTERED ECC w/PLL |
| 中文描述： | 2GB的- 256Mx72 ECC的DDR SDRAM的注冊(cè)瓦特/鎖相環(huán) |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 320K |
| 代理商： | W3EG72256MS133AJD3SF |
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White Electronic Designs
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
December 2004
Rev. 2
W3EG72256S-JD3
-AJD3
PRELIMINARY*
FEATURES
Double-data-rate architecture
DDR200, DDR266 and DDR333:
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
= 2.5V ± 0.20V
JEDEC standard 184 pin DIMM package
Package height option:
JD3: 30.48mm (1.20")
AJD3: 28.70mm (1.13")
Consult factory for availability of lead-free
products.
DESCRIPTION
The W3EG72256S is a 256Mx72 Double Data Rate
SDRAM memory module based on 1Gb DDR SDRAM
components. The module consists of eighteen 1Gb 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 applications.
* This product is under development, is not qualified or characterized and is subject to
change without notice.
2GB-256Mx72 DDR SDRAM REGISTERED ECC w/PLL
OPERATING FREQUENCIES
DDR266 @CL=2
133MHz
2-2-2
DDR333 @CL=2.5
166MHz
2.5-3-3
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
Advance information: Speed may not be available.
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| W3EG72256MS166AJD3MG | 2GB-256Mx72 DDR SDRAM REGISTERED ECC w/PLL |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W3EG72256MS133AJD3SG | 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:2GB-256Mx72 DDR SDRAM REGISTERED ECC w/PLL |
| W3EG72256MS166AJD3MF | 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:2GB-256Mx72 DDR SDRAM REGISTERED ECC w/PLL |
| W3EG72256MS166AJD3MG | 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:2GB-256Mx72 DDR SDRAM REGISTERED ECC w/PLL |
| W3EG72256MS166AJD3SF | 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:2GB-256Mx72 DDR SDRAM REGISTERED ECC w/PLL |
| W3EG72256MS166AJD3SG | 制造商:WEDC 制造商全稱(chēng):White Electronic Designs Corporation 功能描述:2GB-256Mx72 DDR SDRAM REGISTERED ECC w/PLL |
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