Datasheet

MC1489, MC1489A, SN55189, SN55189A, SN75189, SN75189A
QUADRUPLE LINE RECEIVERS
SLLS095D – SEPTEMBER 1973 – REVISED OCTOBER 1998
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
logic symbol
†
THRS ADJ
4Y
11
3Y
8
2Y
6
1Y
3
1
1A
2
1 CONT
4
2A
5
2 CONT
10
3A
9
3 CONT
13
4A
4 CONT
12
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the D, J, N, NS, and W packages.
logic diagram (positive logic)
Control
Response
AY
schematic (each receiver)
Input A
10 kΩ
4 kΩ
Response
Control
R1
9 kΩ 5 kΩ
1.66 kΩ
GND
Output Y
V
CC
MC1489
SN55189
SN75189
MC1489A
SN55189A
SN75189A
R1 8.4 kΩ 1.84 kΩ
Resistor values shown are nominal.