HD75153
Quadruple Differential Line Drivers With 3 State Outputs
HD75153 features line drivers which satisfy the
requirements of EIA RS 422 A and Federal
Standard 1020. This device is designed to provide
differential signals with high current capability on
bus lines. The circuit provides strobe and enable
inputs to control all four drivers. The output circuit
has active pull up and pull down and is capable of
sinking or sourcing 40 mA.
Pin Arrangement
1A
1Y
1Z
1
2
3
16 V
CC
15 4A
14 4Y
13 4Z
12 S
11 3Z
10 3Y
9 3A
CC 4
2Z
5
6
7
8
Function Table
Input
Enable
CC
L
H
H
H
H
L
X
Z
:
:
:
:
Strobe
S
X
L
X
H
High level
Low level
Irrelevant
High impedance
Data
A
X
X
L
H
Y
Z
L
L
H
Output
Z
Z
H
H
L
2Y
2A
GND
(Top View)