SN75177B, SN75178B
DIFFERENTIAL BUS REPEATERS
SLLS002C – D2606, JULY 1985 – REVISED FEBRUARY 1993
TYPICAL CHARACTERISTICS
DRIVER HIGH-LEVEL OUTPUT VOLTAGE
DRIVER LOW-LEVEL OUTPUT VOLTAGE
vs
vs
HIGH-LEVEL OUTPUT CURRENT
LOW-LEVEL OUTPUT CURRENT
5
4.5
4
5
4.5
4
V
= 5 V
V
= 5 V
CC
CC
T
A
= 25°C
T
A
= 25°C
3.5
3
3.5
3
2.5
2
2.5
2
1.5
1
1.5
1
0.5
0
0.5
0
0
–20
OH
–40
–60
–80
–100 –120
0
20
40
60
80
100
120
I
– High-Level Output Current – mA
I
– Low-Level Output Current – mA
OH
Figure 8
Figure 9
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
RECEIVER OUTPUT VOLTAGE
vs
vs
DRIVER OUTPUT CURRENT
DIFFERENTIAL INPUT VOLTAGE
5
4
4
3.5
3
V
CC
= 5 V
I
O
= 0
T = 25°C
A
V
= 5 V
CC
T
A
= 25°C
V
=
V
0 V
=
V
IC
=
12 V
IC
–12 V
IC
2.5
2
3
2
V
T–
V
V
T–
V
T–
V
V
T+
T+
T+
1.5
1
1
0
0.5
0
0
10 20 30 40 50 60 70 80 90 100
–125 –100 –75 –50 –25
0
25 50 75 100 125
I
O
– Output Current – mA
V
ID
– Differential Input Voltage – mV
Figure 10
Figure 11
2–8
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