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W3EG7234S262JD3 PDF预览

W3EG7234S262JD3

更新时间: 2024-02-25 01:25:30
品牌 Logo 应用领域
WEDC 存储内存集成电路动态存储器双倍数据速率
页数 文件大小 规格书
14页 388K
描述
256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL

W3EG7234S262JD3 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DIMM
包装说明:DIMM,针数:184
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.36风险等级:5.79
访问模式:FOUR BANK PAGE BURST其他特性:AUTO/SELF REFRESH
JESD-30 代码:R-XDMA-N184内存密度:2415919104 bit
内存集成电路类型:DDR DRAM MODULE内存宽度:72
功能数量:1端口数量:1
端子数量:184字数:33554432 words
字数代码:32000000工作模式:SYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:32MX72封装主体材料:UNSPECIFIED
封装代码:DIMM封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified自我刷新:YES
最大供电电压 (Vsup):2.7 V最小供电电压 (Vsup):2.3 V
标称供电电压 (Vsup):2.5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子形式:NO LEAD端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

W3EG7234S262JD3 数据手册

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W3EG7234S-D3  
-JD3  
White Electronic Designs  
-AJD3  
PRELIMINARY*  
256MB - 32Mx72 DDR SDRAM REGISTERED, w/PLL  
FEATURES  
DESCRIPTION  
Double-data-rate architecture  
The W3EG7234S is a 32Mx72 Double Data Rate  
SDRAM memory module based on 128Mb DDR  
SDRAM component. The module consists of eighteen  
32Mx4 DDR SDRAMs in 66 pin TSOP package  
mounted on a 184 Pin FR4 substrate.  
Clock speeds: 100MHz and 133MHz  
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  
Synchronous design allows precise cycle control with  
the use of system clock. Data I/O transactions are  
possible on both edges and Burst Lenths 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.  
Serial presence detect  
Power Supply: 2.5V 0.20V  
JEDEC standard 184 pin DIMM package  
Package height options:  
JD3: 30.48mm (1.20")  
AJD3: 28.70mm (1.13")  
OPERATING FREQUENCIES  
DDR266 @CL=2  
133MHz  
DDR266 @CL=2.5  
133MHz  
DDR200 @CL=2  
100MHz  
Clock Speed  
CL-tRCD-tRP  
2-2-2  
2.5-3-3  
2-2-2  
December 2004  
Rev. 2  
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  

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