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參數(shù)資料
| 型號： | W3EG7264S-JD3 |
| 英文描述： | 512MB - 64Mx72 DDR SDRAM UNBUFFERED |
| 中文描述： | 512MB的- 64Mx72 DDR SDRAM內(nèi)存緩沖 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 185K |
| 代理商： | W3EG7264S-JD3 |
White Electronic Designs
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
May 2005
Rev. 5
W3EG7264S-JD3-D3
PRELIMINARY*
Double-data-rate architecture
DDR200, DDR266, DDR333 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: DDR333, 266, 200: V
CC
= V
CCQ
=
+2.5V ± 0.2V; DDR400: V
CC
= V
CCQ
= +2.6V ± 0.1V
JEDEC standard 184 pin DIMM package
PCB Height: 30.48mm (1.20") Max
NOTE: Consult Factory for availability of:
* Lead-Free Products
* Vendor source control options
* Industrial Temperature option
512MB – 64Mx72 DDR SDRAM UNBUFFERED
FEATURES
DESCRIPTION
The W3EG7264S 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 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.
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W3EG7265S202JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 2x32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7265S262JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 2x32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7265S265JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 2x32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7265S-JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512MB - 2x32Mx72 DDR SDRAM REGISTERED, w/PLL |
| W3EG7266S202AD4 | 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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