SN75177B, SN75178B
DIFFERENTIAL BUS REPEATERS
SLLS002C – D2606, JULY 1985 – REVISED FEBRUARY 1993
TYPICAL CHARACTERISTICS
DRIVER HIGH-LEVEL OUTPUT VOLTAGE
vs
HIGH-LEVEL OUTPUT CURRENT
5
4.5
VOH – High-Level Output Voltage – V
4
3.5
3
2.5
2
1.5
1
VCC = 5 V
TA = 25°C
5
4.5
VOH – High-Level Output Voltage – V
4
3.5
3
2.5
2
1.5
1
VCC = 5 V
TA = 25°C
DRIVER LOW-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
0.5
0
0
– 20
– 40
– 60
– 80
– 100
– 120
IOH – High-Level Output Current – mA
Figure 8
DRIVER DIFFERENTIAL OUTPUT VOLTAGE
vs
DRIVER OUTPUT CURRENT
4
VOD – Differential Output Voltage – V
3.5
3
2.5
2
1.5
1
1
VCC = 5 V
TA = 25°C
4
VO
VO – Output Voltage – V
VIC =
– 12 V
3
5
VCC = 5 V
0.5
0
0
10
20
30
40
50
60
70
80
90 100
IO – Output Current – mA
0
–125 –100 –75 –50 –25
Figure 10
2–8
POST OFFICE BOX 655303
ÁÁÁ
ÁÁÁ
ÁÁÁ
ÁÁ
ÁÁ
ÁÁ
ÁÁ
ÁÁ
0.5
0
0
20
40
60
80
100
120
IOH – Low-Level Output Current – mA
Figure 9
RECEIVER OUTPUT VOLTAGE
vs
DIFFERENTIAL INPUT VOLTAGE
IO = 0
TA = 25°C
VIC =
0V
VT–
VT+
VIC =
12 V
VT–
VT+
VT–
VT+
2
0
25
50
75 100 125
VID – Differential Input Voltage – mV
Figure 11
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DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
