PULSE GEN. IF
ZO = 50 Ω�
1
ft = tr = 5 ns
INPUT
MONITORING
3
NODE RM
3.3 V
VCC 6
5
0.1 µF
BYPASS
RL
OUTPUT VO
MONITORING
INPUT
IF
*CL
NODE
tPHL
GND 4
OUTPUT
VO
*CL IS APPROXIMATELY 15 pF WHICH INCLUDES
PROBE AND STRAY WIRING CAPACITANCE.
PULSE GEN.
Z O = 50 Ω
tf = t r = 5 ns
IF
1
INPUT
MONITORING
3
NODE
RM
+5 V
V CC 6
0.1µF
RL
BYPASS
5
OUTPUT V O
MONITORING
INPUT
IF
*C L
NODE
tPHL
GND 4
OUTPUT
VO
*C L IS APPROXIMATELY 15 pF WHICH INCLUDES
PROBE AND STRAY WIRING CAPACITANCE.
Figure 6. Test circuit for tPHL and tPLH.
IF = 7.50 mA
IF = 3.75 mA
tPLH
1.5 V
IF = 7.5 mA
IF = 3.75 mA
tPLH
1.5 V
150
VCC = 3.3 V
IF = 7.5 mA
120
tPLH , RL = 350 Ω
90
100
V CC = 5.0 V
IF = 7.5 mA
80
tPHL , R L = 350Ω
60
60
tPHL , RL = 350 Ω
30
40
tPLH , R L = 350Ω
20
0
-60 -40 -20 0 20 40 60
TA – TEMPERATURE – C
80 100
Figure 7. Typical propagation delay vs. temperature.
0
-60 -40 -20 0 20 40 60
T A - TEMPERATURE - °C
80 100
10