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IDT728980DB PDF预览

IDT728980DB

更新时间: 2024-11-19 20:10:47
品牌 Logo 应用领域
艾迪悌 - IDT 电信电信集成电路
页数 文件大小 规格书
10页 78K
描述
Digital Time Switch, PQFP44, 10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44

IDT728980DB 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
针数:44Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.89
JESD-30 代码:S-PQFP-G44JESD-609代码:e0
长度:10 mm湿度敏感等级:3
功能数量:1端子数量:44
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:QFP
封装等效代码:QFP44,.57SQ,32封装形状:SQUARE
封装形式:FLATPACK峰值回流温度(摄氏度):240
电源:5 V认证状态:Not Qualified
座面最大高度:2.35 mm子类别:Other Telecom ICs
最大压摆率:0.01 mA标称供电电压:5 V
表面贴装:YES电信集成电路类型:DIGITAL TIME SWITCH
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子节距:0.8 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:10 mmBase Number Matches:1

IDT728980DB 数据手册

 浏览型号IDT728980DB的Datasheet PDF文件第2页浏览型号IDT728980DB的Datasheet PDF文件第3页浏览型号IDT728980DB的Datasheet PDF文件第4页浏览型号IDT728980DB的Datasheet PDF文件第5页浏览型号IDT728980DB的Datasheet PDF文件第6页浏览型号IDT728980DB的Datasheet PDF文件第7页 
TIME SLOT INTERCHANGE  
DIGITAL SWITCH  
256 x 256  
IDT728980  
outputs,eachofwhichconsistsof32channels(64Kbit/sperchannel)toform  
amultiplexed2.048Mb/sstream.  
ꢀEATURES:  
256 x 256 channel non-blocking switch  
Serial Telecom Bus Compatible (ST-BUS®)  
8 RX inputs32 channels at 64 Kbit/s per serial line  
8 TX output32 channels at 64 Kbit/s per serial line  
Three-state serial outputs  
ꢀUNCTIONALDESCRIPTION  
AfunctionalblockdiagramoftheIDT728980deviceisshownonbelow. The  
serialST-BUS®streamsoperatecontinuouslyat2.048Mb/sandarearranged  
in125µswideframeseachcontaining32,8-bitchannels. Eightinput(RX0-7)  
andeightoutput(TX0-7)serialstreamsareprovidedintheIDT728980device  
allowing a complete 256 x 256 channel non-blocking switch matrix to be  
constructed. The serialinterface clock(C4i)forthe device is 4.096MHz.  
Thereceivedserialdataisinternallyconvertedtoaparallelformatbytheon  
chipserial-to-parallelconvertersandstoredsequentiallyina256-positionData  
Memory.Byusinganinternalcounterthatisresetbytheinput8KHzframepulse,  
F0i,theincomingserialdatastreamscanbeframedandsequentiallyaddressed.  
Datatobeoutputontheserialstreamsmaycomefromtwosources:Data  
MemoryorConnectionMemory. TheConnectionMemoryis16bitswideand  
Microprocessor Interface (8-bit data bus)  
5V Power Supply  
Available in 44-pin Plastic Leaded Chip Carrier (PLCC), 40-pin  
Plastic Dip (P-DIP) and 44-pin Plastic Quad Flatpack (PQFP)  
Operating Temperature Range -40°C to +85°C  
DESCRIPTION:  
The IDT728980 is a ST-BUS® compatible digital switch controlled by a  
microprocessor. TheIDT728980canhandleasmanyas256,64Kbit/sinput  
andoutputchannels. Those256channelsaredividedinto8serialinputsand  
ꢀUNCTIONAL BLOCK DIAGRAM  
ODE  
C4i  
F0i  
VCC GND  
TX0  
TX1  
TX2  
TX3  
TX4  
TX5  
TX6  
TX7  
Timing  
Unit  
RX0  
RX1  
RX2  
RX3  
RX4  
RX5  
RX6  
RX7  
Output MUX  
Receive  
Serial Data  
Streams  
Transmit  
Serial Data  
Streams  
Data  
Memory  
Connection  
Memory  
Control Register  
Microprocessor Interface  
5706 drw01  
CCO  
DS  
A0/  
A5  
CS  
R/W  
D0/  
D7  
DTA  
JANUARY 2001  
1
2001 Integrated Device Technology, Inc.  
DSC-5706/1  

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