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DS21FT44N PDF预览

DS21FT44N

更新时间: 2024-10-28 13:07:23
品牌 Logo 应用领域
达拉斯 - DALLAS /
页数 文件大小 规格书
110页 678K
描述
Framer, CMOS, PBGA300, 27 X 27 MM, BGA-300

DS21FT44N 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:27 X 27 MM, BGA-300Reach Compliance Code:unknown
风险等级:5.75JESD-30 代码:S-PBGA-B300
JESD-609代码:e0功能数量:12
端子数量:300最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:BGA封装等效代码:BGA300,20X20,50
封装形状:SQUARE封装形式:GRID ARRAY
电源:3.3 V认证状态:Not Qualified
子类别:Digital Transmission Controllers标称供电电压:3.3 V
表面贴装:YES技术:CMOS
电信集成电路类型:FRAMER温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:BALL
端子节距:1.27 mm端子位置:BOTTOM
Base Number Matches:1

DS21FT44N 数据手册

 浏览型号DS21FT44N的Datasheet PDF文件第2页浏览型号DS21FT44N的Datasheet PDF文件第3页浏览型号DS21FT44N的Datasheet PDF文件第4页浏览型号DS21FT44N的Datasheet PDF文件第5页浏览型号DS21FT44N的Datasheet PDF文件第6页浏览型号DS21FT44N的Datasheet PDF文件第7页 
DS21FT44/DS21FF44  
4x3 Twelve Channel E1 Framer  
4x4 Sixteen Channel E1 Framer  
www.dalsemi.com  
FEATURES  
S Sixteen (16) or twelve (12) completely  
independent E1 Framers in one small 27mm  
x 27mm Package  
S DS21FF44 and DS21FT44 are pin  
compatible with DS21FF42 and DS21FT42,  
respectively to allow the same footprint to  
support T1 and E1 applications  
S Each Multi-Chip Module (MCM) contains  
either four (FF) or three (FT) DS21Q44 die  
S 300–pin MCM BGA 1.27 mm pitch package  
(27mm X 27mm)  
S Each quad framer can be concatenated into a  
single 8.192MHz Backplane Data Stream  
S Low power 3.3V CMOS with 5V tolerant  
input & outputs  
S IEEE 1149.1 JTAG-Boundary Scan  
Architecture  
1. MULTI-CHIP MODULE (MCM) DESCRIPTION  
The Four x Four and Four x Three MCMs offer a high density packaging arrangement for the DS21Q44  
E1 Enhanced Quad Framer. Either three (DS21FT44) or four (DS21FF44) silicon die of these devices is  
packaged in a Multi-Chip Module (MCM) with the electrical connections as shown in Figure 1-1.  
All of the functions available on the DS21Q44 are also available in the MCM packaged version.  
However, in order to minimize package size, some signals have been deleted or combined. These  
differences are detailed in Table 1-1. In the Four x Three (FT) version, the fourth quad framer is not  
populated and hence all of the signals to and from this fourth framer are absent and should be treated as  
No Connects (NC). Table 2-1 lists all of the signals on the MCM and it also lists the absent signals for  
the Four x Three.  
The availability of both a twelve and a sixteen-channel version allow the maximum framer density with  
the lowest cost.  
1 of 110  
120601  

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