PIN FUNCTION DESCRIPTION
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Mnemonic
R5
OUT
A
R4
OUT
A
R3
OUT
A
R2
OUT
A
R1
OUT
A
T3
IN
A
T2
IN
A
T1
IN
A
STBY
V
DD
C+
T1
IN
B
T2
IN
B
T3
IN
B
R1
OUT
B
R2
OUT
B
R3
OUT
B
R4
OUT
B
R5
OUT
B
R5
IN
B
R4
IN
B
R3
IN
B
R2
IN
B
R1
IN
B
T3
OUT
B
T2
OUT
B
T1
OUT
B
GND
C–
V–
T1
OUT
A
T2
OUT
A
T3
OUT
A
R1
IN
A
R2
IN
A
R3
IN
A
R4
IN
A
R5
IN
A
Function
Receiver Output (3.3 V/5 V TTL/CMOS Logic Levels)
Receiver Output (3.3 V/5 V TTL/CMOS Logic Levels)
Receiver Output (3.3 V/5 V TTL/CMOS Logic Levels)
Receiver Output (3.3 V/5 V TTL/CMOS Logic Levels)
Receiver Output (3.3 V/5 V TTL/CMOS Logic Levels)
Driver Input (3.3 V/5 V TTL/CMOS Logic Levels)
Driver Input (3.3 V/5 V TTL/CMOS Logic Levels)
Driver Input (3.3 V/5 V TTL/CMOS Logic Levels)
3.3 V/5 V Standby Power Supply for Receiver R5 in Ports A and B
Positive Power Supply, Nominally +12 V
Positive Terminal of C1 (If C1 is polarized capacitor.)
Driver Input (3.3 V/5 V TTL/CMOS Logic Levels)
Driver Input (3.3 V/5 V TTL/CMOS Logic Levels)
Driver Input (3.3 V/5 V TTL/CMOS Logic Levels)
Receiver Output (3.3 V/5 V TTL/CMOS Logic Levels)
Receiver Output (3 V/5 V TTL/CMOS Logic Levels)
Receiver Output (3.3 V/5 V TTL/CMOS Logic Levels)
Receiver Output (3.3 V/5 V TTL/CMOS Logic Levels)
Receiver Output (3.3 V/5 V TTL/CMOS Logic Levels)
Receiver Input (EIA-232 Signal Levels)
Receiver Input (EIA-232 Signal Levels)
Receiver Input (EIA-232 Signal Levels)
Receiver Input (EIA-232 Signal Levels)
Receiver Input (EIA-232 Signal Levels)
Driver Output (EIA-232 Signal Levels)
Driver Output (EIA-232 Signal Levels)
Driver Output (EIA-232 Signal Levels)
Ground Pin. Must Be Connected to 0 V
Negative Terminal of C1 (If C1 is polarized capacitor.)
Inverter Output (–12 V Nominal)–Terminal of C2 (If C2 is polarized capacitor.)
Driver Output (EIA-232 Signal Levels)
Driver Output (EIA-232 Signal Levels)
Driver Output (EIA-232 Signal Levels)
Receiver Input (EIA-232 Signal Levels)
Receiver Input (EIA-232 Signal Levels)
Receiver Input (EIA-232 Signal Levels)
Receiver Input (EIA-232 Signal Levels)
Receiver Input (EIA-232 Signal Levels)
–4–
REV. 0
AD [ ANALOG DEVICES ]
