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參數(shù)資料
| 型號： | WED3EG72256SXX-JD3 |
| 英文描述： | DDR SDRAM Modules - 184 Pin DIMM. Registered 72-bit wide |
| 中文描述： | DDR SDRAM內(nèi)存模塊- 184引腳的DIMM。注冊的72位全 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 86K |
| 代理商： | WED3EG72256SXX-JD3 |
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White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
WED3EG72256SX X -J D3
2GB- 256Mx72, ECC, DDR SDRAM DIMM REGISTERED
MODULE
The WED3EG72256SXX-JD3 is a 256Mx72 Double
Data Rate SDRAM memory module based on 1
Gigabit DDR SDRAM components. The module
consists of eighteen, 256Mx4 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.
DESCRIPTION
FEATURES
Double data rate architecture; two data transfers
per clock cycle
Clock speeds of 100MHz and 133MHz
Bi-directional data strobes (DQS)
Differential clock inputs (CK & CK)
DLL aligns DQ and DQS transition with CK
transition
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
JEDEC standard 184 pin DIMM package
Power supply: Vdd: 2.5V ± 0.2V, Vddq: 2.5V ±
0.2V
January 2004 Rev. 0
OPERATING FREQUENCIES
262JD3
265JD3
202JD2
(DDR266@CL=2)
133MHz
2-3-3
(DDR266@CL=2.5)
133MHz
2.5-3-3
(DDR200@CL=2)
100MHz
2-2-2
Speed
CL-tRCD-tRP
Advance information: Speed may not be available.
ADVANCED
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| WED3EG7232S-JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 32Mx72 DDR SDRAM UNBUFFERED |
| WED3EG7233S202D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 2x16Mx72 DDR SDRAM UNBUFFERED |
| WED3EG7233S202JD3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 2x16Mx72 DDR SDRAM UNBUFFERED |
| WED3EG7233S262D3 | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:256MB - 2x16Mx72 DDR SDRAM UNBUFFERED |
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