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M75177P PDF预览

M75177P

更新时间： 2024-11-03 22:30:31
品牌 Logo 应用领域
三菱 - MITSUBISHI /
页数 文件大小 规格书
9页 169K
描述
RS-485 TRANSCEIVER

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中文翻译

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M75177P 数据手册

 浏览型号M75177P的Datasheet PDF文件第2页浏览型号M75177P的Datasheet PDF文件第3页浏览型号M75177P的Datasheet PDF文件第4页浏览型号M75177P的Datasheet PDF文件第5页浏览型号M75177P的Datasheet PDF文件第6页浏览型号M75177P的Datasheet PDF文件第7页 
MITSUBISHI DIGITALASSP
M75176P,M75177P
M75178P,M75179P
RS-485 TRANSCEIVER  
DESCRIPTION  
PIN CONFIGURATION (TOP VIEW)  
Each of the M75176 to M75179 is a semiconductor IC with a  
built-in differential driver and a built-in differential receiver  
both of which meet the EIA standards RS-422A and RS-485.  
←
→
→
→
RECEIVER OUTPUT  
1
2
3
4
8
7
6
5
R
RE  
DE  
D
VCC  
FEATURES  
Common  
• 5V single power supply  
• With output control input (except M75179P)  
RECEIVER OUTPUT  
CONTROL INPUT  
DRIVER OUTPUT  
CONTROL INPUT  
↔
↔
B
I/O BUS  
A
DRIVER INPUT  
GND  
Driver  
• 54Ω terminal resistor connectable between outputs.  
• High output impedance at power-OFF time  
• Built-in output current limit circuit  
M75176P  
M75177P  
M75178P  
M75179P  
Receiver  
• High input sensitivity (±200mV max.)  
• Hysteresis input (50mV typ.)  
• High input impedance (12kΩ min.)  
• “H” emitted when input is open (failsafe function)  
←
←
→
→
1
2
3
4
8
7
6
5
VCC  
T
A
RECEIVER INPUT  
DRIVER OUTPUT  
←
→
REPEATER OUTPUT  
B
Z
Y
OUTPUT CONTROL INPUT  
EN  
GND  
APPLICATION  
High-speed data transmission interface for digital equipment  
DESCRIPTION OF FUNCTION  
The M75176P to M75179P are line interface ICs which meet  
EIA standards RS-422A and RS-485, and are suitable for  
long-distance, high-speed data transmission.  
←
←
→
→
The M75176P is designed to connect the driver circuit output  
and the receiver input to each other internally, and serves as  
a line transceiver. The M75177P/M75178P is designed to  
connect the receiver circuit output and the driver circuit input  
internally, and serves as a line repeater. The M75177P and  
M75178P enter the output enabled state with active “H” and  
active “L”, respectively. The M75179P is equipped with a  
built-in differential driver and a built-in differential receiver. It  
does not have an output control input pin but its output im-  
pedance at the power-OFF time goes high.  
VCC  
T
1
2
3
4
8
7
6
5
A
B
Z
Y
RECEIVER INPUT  
DRIVER OUTPUT  
←
→
REPEATER OUTPUT  
OUTPUT CONTROL INPUT EN  
GND  
←
←
→
→
1
2
3
4
8
7
6
5
VCC  
A
B
Z
Y
RECEIVER INPUT  
DRIVER OUTPUT  
←
→
RECEIVER OUTPUT  
DRIVER INPUT  
R
D
GND  
Outline 8P4  
1
1234567...9

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