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ST491ACN Datasheet(PDF) 3 Page - STMicroelectronics

Part # ST491ACN
Description  Low power high speed RS-485/RS-422 transceiver
PDF  17 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST491ACN Datasheet(HTML) 3 Page - STMicroelectronics

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ST491A
Pin configuration
3/17
1
Pin configuration
Figure 1.
Pin connections
Table 1.
Pin description
Pin n°
Symbol
Name and function
1
NC
Not connected
2
RO
Receiver output.
3
RE
Receiver output enable
4
DE
Driver output enable
5
DI
Inverting driver input
6
GND
Ground
7
GND
Ground
8
NC
Not connected
9
Y
Non-inverting driver output
10
Z
Inverting driver output
11
A
Inverting receiver input
12
B
Non-inverting receiver input
13
VCC
Supply voltage
14
VCC
Supply voltage



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