IL3522 Datasheet, PDF (3/10 Pages) List of Unclassifed Manufacturers – Isolated RS485/RS422 Interface

IL3522 Pin Connections
1
V_DD1 Input Power Supply
2
GND₁ Input Power Supply Ground Return
3
R
Output Data from Bus
4
RE
Read Data Enable
(if RE is high, R = high impedance)
5
DE Drive Enable
6
D
Data Input to Bus
7
NC No Internal Connection
8
GND₁ Input Power Supply Ground Return
9
GND₂ Output Power Supply Ground Return
Isolated DE Output for use in Profibus
10
ISODE applications where the state of the isolated
drive enable node needs to be monitored
11
Y
Y Bus (Drive – True)
12
Z
Z Bus (Drive – Inverse)
13
B
B Bus (Receive – Inverse)
14
A
A Bus (Receive – True)
15
GND₂ Output Power Supply Ground Return
16
V_DD2 Output Power Supply
IL3522
VDD₁
GND₁
R
RE
DE
D
NC
GND₁
IL3522
VDD₂
GND₂
A
B
Z
Y
ISODE
GND₂
3
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