Datasheet

SN75177B, SN75178B
DIFFERENTIAL BUS REPEATERS
SLLS002C – D2606, JULY 1985 – REVISED FEBRUARY 1993
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
2–8
TYPICAL CHARACTERISTICS
– High-Level Output Voltage – V
DRIVER HIGH-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT CURRENT
T
A
= 25°C
V
CC
= 5 V
4.5
4
3.5
3
2.5
2
1.5
1
0.5
–100–80–60–40–20
0
–120
5
I
OH
– High-Level Output Current – mA
0
DRIVER LOW-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
V
CC
= 5 V
T
A
= 25°C
I
OH
– Low-Level Output Current – mA
0 12020 40 60 80 100
5
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
V
OH
– High-Level Output Voltage – V
V
OH
Figure 8 Figure 9
100
– Differential Output Voltage – V
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
vs
DRIVER OUTPUT CURRENT
V
CC
= 5 V
T
A
= 25°C
3.5
3
2.5
2
1.5
1
0.5
908070605040302010
0
4
I
O
– Output Current – mA
0
VO – Output Voltage – V
V
ID
– Differential Input Voltage – mV
2
1
0
–125 –75 –25 0 25
3
4
5
50 75 100 125
RECEIVER OUTPUT VOLTAGE
vs
DIFFERENTIAL INPUT VOLTAGE
T
A
= 25°CI
O
= 0V
CC
= 5 V
V
T–
V
T+
V
IC
=
12 V
V
T–
V
T+
V
O
OD
V
V
T–
V
T+
V
IC
=
0 V
V
IC
=
–12 V
–100 –50
Figure 10 Figure 11