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IDT728981DB PDF预览

IDT728981DB

更新时间: 2024-11-23 04:58:31
品牌 Logo 应用领域
艾迪悌 - IDT 开关电信集成电路电信转换电路电信电路
页数 文件大小 规格书
10页 81K
描述
TIME SLOT INTERCHANGE DIGITAL SWITCH 128 x 128

IDT728981DB 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:QFP
包装说明:10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44针数:44
Reach Compliance Code:not_compliantHTS代码:8542.39.00.01
风险等级:5.24JESD-30 代码:S-PQFP-G44
JESD-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:20宽度:10 mm
Base Number Matches:1

IDT728981DB 数据手册

 浏览型号IDT728981DB的Datasheet PDF文件第2页浏览型号IDT728981DB的Datasheet PDF文件第3页浏览型号IDT728981DB的Datasheet PDF文件第4页浏览型号IDT728981DB的Datasheet PDF文件第5页浏览型号IDT728981DB的Datasheet PDF文件第6页浏览型号IDT728981DB的Datasheet PDF文件第7页 
IDT728981  
TIME SLOT INTERCHANGE  
DIGITAL SWITCH  
128 x 128  
outputs,eachofwhichconsistsof32channels(64Kbit/sperchannel)toform  
amultiplexed2.048Mb/sstream.  
ꢀEATURES:  
128 x 128 channel non-blocking switch  
Serial Telecom Bus Compatible (ST-BUS®)  
4 RX inputs32 channels at 64 Kbit/s per serial line  
4 TX output32 channels at 64 Kbit/s per serial line  
Three-state serial outputs  
ꢀUNCTIONALDESCRIPTION  
AfunctionalblockdiagramoftheIDT728981deviceisshownbelow. The  
serial streamsoperatecontinuouslyat2.048Mb/sandarearrangedin125µs  
wideframeseachcontaining32,8-bitchannels. Fourinput(RX0-3)andfour  
output(TX0-3)serialstreamsareprovidedintheIDT728981deviceallowing  
acomplete128x128channelnon-blockingswitchmatrixtobeconstructed.  
The serial interface (C4i) clock for the device is 4.096 MHz.  
Thereceivedserialdataisinternallyconvertedtoaparallelformatbytheon  
chipserial-to-parallelconvertersandstoredsequentiallyina128-positionData  
Memory.Byusinganinternalcounterthatisresetbytheinput8KHzframepulse,  
F0i, the incoming serial data streams can be framed and sequentially ad-  
dressed.  
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 IDT728981 is a ST-BUS® compatible digital switch controlled by a  
microprocessor. TheIDT728981canhandleasmanyas128,64Kbit/sinput  
andoutputchannels. Those128channelsaredividedinto4serialinputsand  
ꢀUNCTIONAL BLOCK DIAGRAM  
ODE  
C4i  
F0i  
VCC GND  
Timing  
Unit  
Output MUX  
RX0  
RX1  
TX0  
TX1  
TX2  
TX3  
Transmit  
Serial Data  
Streams  
Receive  
Serial Data  
Streams  
Data  
Memory  
RX2  
RX3  
Connection  
Memory  
Control Register  
Microprocessor Interface  
5703 drw01  
DS  
A0/  
A5  
CS  
R/W  
D0/  
D7  
DTA  
JANUARY 2001  
1
2001 Integrated Device Technology, Inc.  
DSC-5703/1  

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