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73K321L PDF预览

73K321L

更新时间: 2024-02-26 18:49:01
品牌 Logo 应用领域
东电化 - TDK 调制解调器
页数 文件大小 规格书
24页 134K
描述
CCITT V.23, V.21 Single-Chip Modem

73K321L 技术参数

生命周期:Transferred包装说明:,
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.09其他特性:HALF DUPLEX; FULL DUPLEX
数据速率:1.2 MbpsJESD-30 代码:R-PDIP-T22
功能数量:1端子数量:22
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装形状:RECTANGULAR
封装形式:IN-LINE认证状态:Not Qualified
最大压摆率:12 mA标称供电电压:5 V
表面贴装:NO电信集成电路类型:MODEM
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子位置:DUALBase Number Matches:1

73K321L 数据手册

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73K321L  
CCITT V.23, V.21  
Single-Chip Modem  
DTE USER INTERFACE  
NAME  
EXCLK  
RXCLK  
RXD  
TYPE  
DESCRIPTION  
PLCC/DIP  
PIN NUMBER  
19  
23  
22  
I
External Clock. Used for serial control interface to clock control data  
in or out of the 73K321L.  
O
Receive Clock. A clock which is 16 x1200, or 16 x 75 in V.23 mode,  
or 16 x 300 baud data rate is output in V.21.  
O/  
Weak  
Received Digital Data Output. Serial receive data is available on this  
pin. The data is always valid on the rising edge of RXCLK when in  
Pull-up Synchronous mode. RXD will output constant marks if no carrier is  
detected.  
TXCLK  
TXD  
18  
21  
O
Transmit Clock. TXCLK is always active. In V.23 mode the output is  
either a 16 x 1200 baud clock or 16 x 75 baud, in V.21 mode the clock  
is 16 x 300 baud.  
I
Transmit Digital Data Input. Serial data for transmission is input on  
this pin. In Asynchronous modes (1200 or 300 baud) no clocking is  
necessary.  
ANALOG INTERFACE AND OSCILLATOR  
RXA  
TXA  
27  
16  
I
Received modulated analog signal input from the phone line.  
Transmit analog output to the phone line.  
O
XTL1  
XTL2  
2
3
I
I
These pins are for the internal crystal oscillator requiring an 11.0592  
MHz Parallel mode crystal and two load capacitors to Ground. XTL2  
can also be driven from an external clock.  
5

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