7
HCPL-M454
I
F
0
V
O
V
THHL
V
CC
PULSE
GEN.
Z
O
= 50
Ω
t
r
= 5 ns
I
F
1
6
R
L
5
V
THLH
V
OL
t
PHL
t
PLH
I
F
MONITOR
R
M
3
4
0.1µF
C
L
V
O
V
CC
Figure 6. Switching Test Circuit.
HCPL-M454
V
CM
0V
t
r
10 V
10%
90%
90%
10%
t
f
V
CC
SWITCH AT A: I
F
= 0 mA
V
O
SWITCH AT B: I
F
= 12 mA, 16 mA
V
OL
+
3
V
FF
V
CM
–
PULSE GEN.
4
C
L
A
B
5
0.1µF
I
F
1
6
R
L
V
O
V
CC
V
O
Figure 7. Test Circuit for Transient Immunity and Typical Waveforms.
0.50
t
p
– PROPAGATION DELAY – µs
t
PLH
t
p
– PROPAGATION DELAY – µs
0.8
0.6
0.4
0.2
0.0
t
PHL
I
F
= 10 mA
I
F
= 16 mA
t
PLH
0.25
0.20
0.15
0.10
-60 -40 -20 0
I
F
= 10 mA
I
F
= 16 mA
20 40 60 80 100 120
0
2
4
6
8 10 12 14 16 18 20
t
p
– PROPAGATION DELAY – µs
V
CC
= 5.0 V
0.45 R
L
= 1.9 kΩ
C
L
= 15 pF
0.40 V
THHL
= V
THLH
= 1.5 V
10% DUTY CYCLE
0.35
t
PHL
0.30
1.4
V
CC
= 5.0 V
T
A
= 25° C
1.2
C
L
= 15 pF
1.0 V
THHL
= V
THLH
= 1.5 V
10% DUTY CYCLE
2.6
V
= 5.0 V
2.4
CC
T
A
= 25° C
2.2 C
L
= 100 pF
2.0 V
THHL
= 1.5 V
1.8 V
THLH
= 2.0 V
1.6 50% DUTY CYCLE
1.4
t
PLH
1.2
1.0
I
F
= 10 mA
0.8
I
F
= 16 mA
t
PHL
0.6
0.4
0.2
0.0
0 2 4 6 8 10 12 14 16 18 20
R
L
– LOAD RESISTANCE – kΩ
T
A
– TEMPERATURE – °C
R
L
– LOAD RESISTANCE – kΩ
Figure 8. Propagation Delay Time vs.
Temperature.
Figure 9. Propagation Delay Time vs.
Load Resistance.
Figure 10. Propagation Delay Time vs.
Load Resistance.
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
