ML145403, ML145404, ML145405, ML145408
PIN ASSIGNMENTS
(DIP AND SOG)
ML145403
3 DRIVERS/5 RECEIVERS
VDD
Rx1
Tx1
Rx2
Rx3
Tx2
Rx4
Rx5
Tx3
VSS
1
2
3
4
5
6
7
8
9
10
20 V
CC
R
D
R
R
D
R
R
D
19
18
17
16
15
14
13
12
11
DO1
DI1
DO2
DO3
DI2
DO4
DO5
DI3
GND
LANSDALE Semiconductor, Inc.
ML145404
4 DRIVERS/4 RECEIVERS
VDD
Rx1
Tx1
Rx2
Tx2
Rx3
Tx3
Rx4
Tx4
VSS
1
2
3
4
5
6
7
8
9
10
20 V
CC
R
D
R
D
R
D
R
D
19
18
17
16
15
14
13
12
11
DO1
DI1
DO2
DI3
DO3
DI3
DO4
DI4
GND
ML145405
5 DRIVERS/3 RECEIVERS
VDD
Rx1
Tx1
Tx2
Rx2
Tx3
Tx4
Rx3
Tx5
VSS
1
2
3
4
5
6
7
8
9
10
20 V
CC
R
D
D
R
D
D
R
D
19
18
17
16
15
14
13
12
11
DO1
DI1
DI2
DO2
DI3
DI4
DO3
DI5
GND
ML145408
5 DRIVERS/5 RECEIVERS
VDD
Rx1
Tx1
Rx2
Tx2
Rx3
Tx3
Rx4
Tx4
Rx5
Tx5
VSS
1
2
3
4
5
6
7
8
9
10
11
12
R
D
R
D
R
D
R
D
R
D
24 V
CC
23
22
21
20
19
18
17
16
15
14
13
DO1
DI1
DO2
DI2
DO3
DI3
DO4
DI4
DO5
DI5
GND
FUNCTIONAL DIAGRAM
RECEIVER
ESD
PROTECTION
15 kΩ
Rx
5.4 kΩ
VSS
1.0 V
1.8 V
VSS
+
DO
–
Tx
VDD
VCC
300
Ω
VDD
VCC
LEVEL
SHIFT
++
–
–
1.4 V
DI
DRIVER
VCC
Page 2 of 8
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Issue A
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