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W3EG72255S335JD3 PDF预览

W3EG72255S335JD3

更新时间: 2024-09-30 20:32:15
品牌 Logo 应用领域
美高森美 - MICROSEMI 动态存储器双倍数据速率
页数 文件大小 规格书
14页 237K
描述
DDR DRAM Module, 256MX72, 0.7ns, CMOS, DIMM-184

W3EG72255S335JD3 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:5.83
访问模式:DUAL BANK PAGE BURST最长访问时间:0.7 ns
其他特性:AUTO/SELF REFRESHJESD-30 代码:R-XDMA-N184
JESD-609代码:e4内存密度:19327352832 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:268435456 words
字数代码:256000000工作模式:SYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:256MX72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
端子面层:Gold (Au)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 SPECIFIED
Base Number Matches:1

W3EG72255S335JD3 数据手册

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W3EG72255S-D3  
-JD3  
White Electronic Designs  
-AJD3  
PRELIMINARY*  
2GB-256Mx72 DDR SDRAM REGISTERED ECC, w/PLL  
FEATURES  
DESCRIPTION  
Double-data-rate architecture  
The W3EG72255S is a 256Mx72 Double Data Rate  
SDRAM memory module based on 512Mb DDR SDRAM  
component. The module consists of eighteen 256Mx4  
stacks, in 66 pin TSOP packages mounted on a 184 pin  
FR4 substrate. This module is structured as 2 Ranks of  
128Mx72 DDR SDRAM.  
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  
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.  
Serial presence detect  
*This product is under development, is not qualified or characterized and is subject to  
change without notice.  
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")  
• Consult factory for availability of lead-free  
products.  
OPERATING FREQUENCIES  
DDR333 @CL=2.5  
166MHz  
DDR266 @CL=2  
133MHz  
2-2-2  
DDR266 @CL=2  
133MHz  
2-3-3  
DDR266 @CL=2.5  
133MHz  
DDR200 @CL=2  
100MHz  
Clock Speed  
CL-tRCD-tRP  
2.5-3-3  
2.5-3-3  
2-2-2  
November 2004  
Rev. 2  
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com  

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