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FX909AP4

更新时间： 2024-09-13 14:51:03
品牌 Logo 应用领域
CMLMICRO 电信光电二极管电信集成电路
页数 文件大小 规格书
47页 943K
描述
Modem-Support Circuit, CMOS, PDIP24, DIP-24

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中文翻译

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FX909AP4 技术参数

生命周期：Obsolete包装说明：DIP, DIP24,.6
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.82Is Samacsys：N
其他特性：ALSO OPERATES AT 5V SUPPLYJESD-30 代码：R-PDIP-T24
长度：31.37 mm功能数量：1
端子数量：24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：DIP封装等效代码：DIP24,.6
封装形状：RECTANGULAR封装形式：IN-LINE
电源：3.3/5 V认证状态：Not Qualified
座面最大高度：5.59 mm子类别：Modems
最大压摆率：0.0045 mA标称供电电压：3.3 V
表面贴装：NO技术：CMOS
电信集成电路类型：MODEM-SUPPORT CIRCUIT温度等级：INDUSTRIAL
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL宽度：15.24 mm
Base Number Matches：1

FX909AP4 数据手册

 浏览型号FX909AP4的Datasheet PDF文件第2页浏览型号FX909AP4的Datasheet PDF文件第3页浏览型号FX909AP4的Datasheet PDF文件第4页浏览型号FX909AP4的Datasheet PDF文件第5页浏览型号FX909AP4的Datasheet PDF文件第6页浏览型号FX909AP4的Datasheet PDF文件第7页 
CML Semiconductor Products  
Wireless Modem Data Pump FX909A  
D/909A/4 March 1996  
1.0  
Features  
Provisional Issue  
· GMSK Modulation  
· Flexible Operating Modes  
· Host Processor Interface  
· Rx or Tx up to 19.2k bits/sec  
· Full Data Packet Framing  
· Mobitex Compatible  
· Low Power 3.3V/5V Operation  
· 24-Pin Small Form Package Option  
1.1  
Brief Description  
The FX909A is a CMOS integrated circuit that contains all of the baseband signal processing and  
Medium Access Control (MAC) protocol functions required for a high performance GMSK Wireless  
Packet Data Modem. It interfaces with the modem host processor and the radio  
modulation/demodulation circuits to deliver reliable two-way transfer of the application data over the  
wireless link.  
The FX909A assembles application data received from the processor, adds error correction code  
(FEC), adds error detection code (CRC), time-spreads this data by interleaving (burst-error  
protection) and scrambles (randomises) the bit pattern. After adding bit and frame sync codewords,  
it converts the packet into analogue GMSK signals for modulating the radio transmitter.  
In receive mode, the FX909A performs the reverse function using the analogue signals from the  
receiver discriminator. After error correction and removal of the packet overhead, the recovered  
application data is supplied to the processor. Any residual uncorrected errors in the data will be  
flagged. A readout of the SNR value during receipt of a packet is also provided.  
The FX909A uses data block sizes and FEC/CRC algorithms compatible with the Mobitex Wide Area  
Network over-air standard. The format used is suitable for other private applications which require  
the high-speed transfer of data over narrow-band wireless links. The FX909A is programmable to  
operate at most standard bit-rates from a wide choice of Xtal/clock frequencies.  
ã 1996 Consumer Microcircuits Limited  
1234567...47

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