I
F
I
PULSE
GEN.
F
0
8
7
6
5
3.3 V
1
2
3
4
Z
t
= 50 Ω
= 5 ns
O
r
3.3 V
V
O
R
L
10% DUTY CYCLE
I/f < 100 µs
(SATURATED
RESPONSE)
50%
50%
V
O
V
OL
0.1 µF
I
MONITOR
F
t
t
PHL
PLH
C
= 15 pF*
L
R
M
3.3 V
* INCLUDES PROBE AND
FIXTURE CAPACITANCE
V
O
90%
10%
90%
10%
(NON-SATURATED
RESPONSE)
t
f
t
r
Figure 5. Switching test circuit.
R
(SEE NOTE 6)
CC
I
F
t , t = 16 ns
8
7
6
5
1
2
3
4
+3.3 V
r
f
10 V
90% 90%
V
CM
B
A
0 V
10%
10%
R
L
t
r
t
f
V
O
V
3.3 V
O
V
FF
SWITCH AT A: I = 0 mA
F
V
V
O
V
CM
OL
+
–
SWITCH AT B: I = 1.6 mA
F
PULSE GEN.
Figure 6. Test circuit for transient immunity and typical waveforms.
11