PULSE GEN.
t
r
= t
f =
5 ns
f = 500 kHz
25 % DUTY
CYCLE
I
F
INPUT
MONITORING
NODE
100
Ω
C1
15 pF
GND
D.U.T.
V
CC
V
CC
V
O
OUTPUT
MONITORING
NODE
5.0 V
1.3 KΩ
0.1 µF
30 pF
C2
2.5 KΩ
THE PROBE AND JIG CAPACITANCES
ARE REPRESENTED BY C
1
AND C
2.
ALL DIODES ARE 1N4150 OR EQUIVALENT.
Figure 5. Test Circuit for t
PLH
, t
PHL
, t
r
, and t
f
.
Figure 6. Typical Propagation Delay
vs. Ambient Temperature.
Figure 7. Typical Propagation Delay
vs. Input Forward Current.
PULSE
GENERATOR
Z
O
= 50
Ω
t
r
= t
f =
5 ns
1
I
F
2
3
4
INPUT V
E
MONITORING
NODE
D.U.T.
V
CC
8
V
CC
5.0 V
S1
0.1 µF
7
6
GND
5
V
O
C1
30 pF
D
1
1.3 KΩ
D
2
2.5 KΩ
D
3
D
4
S2
Figure 8. Test Circuit for t
PHZ
, t
PZH
, t
PLZ
, and t
PZL
. (Single Channel Product Only).
1-532