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參數(shù)資料
| 型號： | W3EG72255S262AJD3MG |
| 廠商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分類： | DRAM |
| 英文描述： | 256M X 72 DDR DRAM MODULE, 0.75 ns, DMA184 |
| 封裝： | ROHS COMPLIANT, DIMM-184 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 305K |
| 代理商： | W3EG72255S262AJD3MG |
W3EG72255S-D3
-JD3
-AJD3
1
White Electronic Designs
November 2004
Rev. 2
PRELIMINARY*
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
FEATURES
Double-data-rate architecture
DDR200, DDR266 and DDR333:
JEDEC design specications
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: VCC = 2.5V ± 0.2V
JEDEC standard 184 pin DIMM package
Package height options:
JD3: 30.48mm (1.2"),
AJD3: 28.70mm (1.13")
NOTE: Consult factory for availability of:
RoHS compliant products
Vendor source control options
Industrial temperature option
DESCRIPTION
The W3EG72255S is a 2x128Mx72 Double Data Rate
SDRAM memory module based on 512Mb DDR SDRAM
components. The module consists of eighteen 256Mx4
stacks, 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.
* wThis product is under development, is not qualied or characterized and is subject
to change without notice.
PRELIMINARY*
2GB – 2x128Mx72 DDR SDRAM REGISTERED ECC, w/PLL
OPERATING FREQUENCIES
DDR333 @CL=2.5
DDR266 @CL=2
DDR266 @CL=2.5
DDR200 @CL=2
Clock Speed
166MHz
133MHz
100MHz
CL-tRCD-tRP
2.5-3-3
2-2-2
2-3-3
2.5-3-3
2-2-2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| W3EG72255S262AJD3XG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2GB - 2x128Mx72 DDR SDRAM REGISTERED ECC, w/PLL |
| W3EG72255S262D3XG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2GB - 2x128Mx72 DDR SDRAM REGISTERED ECC, w/PLL |
| W3EG72255S262JD3XG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2GB - 2x128Mx72 DDR SDRAM REGISTERED ECC, w/PLL |
| W3EG72255S263AJD3XG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2GB - 2x128Mx72 DDR SDRAM REGISTERED ECC, w/PLL |
| W3EG72255S263D3XG | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:2GB - 2x128Mx72 DDR SDRAM REGISTERED ECC, w/PLL |
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