MC3486
QUADRUPLE DIFFERENTIAL LINE RECEIVER
WITH 3-STATE OUTPUTS
SLLS097C – JUNE 1980 – REVISED FEBRUARY 2002
FUNCTION TABLE
(each receiver)
DIFFERENTIAL INPUTS
A–B
VID
≤
0.2 V
– 0.2 V < VID < 0.2 V
VID
≤
– 0.2 V
Irrelevant
Open
ENABLE
H
H
H
L
H
OUTPUT
Y
H
?
L
Z
?
H = high level, L = low level, Z = high impedance (off),
? = indeterminate
logic diagram (positive logic)
1, 2EN
1A
1B
2A
2B
3, 4EN
3A
3B
4A
4B
4
2
1
6
7
12
10
9
14
15
3
1Y
5
2Y
11
3Y
13
4Y
schematics of inputs and outputs
EQUIVALENT OF EACH INPUT
EXCEPT OUTPUT ENABLE
VCC
EQUIVALENT OF OUTPUT ENABLE
TYPICAL OF ALL OUTPUTS
VCC
VCC
8.3 kΩ
NOM
85
Ω
NOM
16.8 kΩ
NOM
Input
960
Ω
NOM
960
Ω
NOM
Output
Enable
4.9 kΩ
NOM
Output
2
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265