SN65HVD72
SN65HVD75
SN65HVD78
www.ti.com
SLLSE11B –MARCH 2012–REVISED JUNE 2012
PARAMETER MEASUREMENT INFORMATION (continued)
50%
50%
A
B
»
»
W
W
Figure 3. Measurement of Driver Differential Output Rise and Fall Times and Propagation Delays
3 V
A
B
S1
VO
D
VI
50%
50%
3 V
0 V
DE
0.5 V
RL = 110 W
± 1%
CL = 50 pF ±20%
tPZH
VOH
90%
Input
Generator
CL Includes Fixture
50 W
VI
and Instrumentation
Capacitance
VO
50%
» 0 V
tPHZ
S0304-01
D at 3 V to test non-inverting output, D at 0 V to test inverting output.
Figure 4. Measurement of Driver Enable and Disable Times with Active High Output and Pull-Down Load
3 V
RL = 110 W
±1%
» 3 V
A
B
VI
50%
50%
S1
D
VO
3 V
0 V
tPZL
tPLZ
DE
CL = 50 pF ±20%
» 3 V
Input
Generator
VI
50 W
CL Includes Fixture
VO
50%
and Instrumentation
Capacitance
10%
VOL
S0305-01
D at 0V to test non-inverting output, D at 3V to test inverting output.
Figure 5. Measurement of Driver Enable and Disable Times with Active Low Output and Pull-Up Load
3 V
A
VI
50%
50%
VO
R
Input
Generator
50 W
0 V
VI
B
tPLH
tPHL
1.5 V
0 V
CL = 15 pF ±20%
VOH
RE
90% 90%
VO
50%
10%
50%
10%
VOL
CL Includes Fixture
tr
tf
and Instrumentation
Capacitance
S0306-01
Figure 6. Measurement of Receiver Output Rise and Fall Times and Propagation Delays
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