ML65245**/ML65L245*
CH1 1.00V
CH2 1.00V
10.0ns
CH1 1.00V
CH2 1.00V
10.0ns
74FCT245
ML65245
Figure 1. Ground Bounce Comparison, Four Outputs Switching into 50pF Loads.
220
200
180
160
+20
0
–20
–40
I
OL
(mA)
I
OH
(mA)
140
120
100
80
60
40
20
0
0.0
0.5
1.0
V
OL
(V)
1.5
2.0
2.5
–60
–80
–100
–120
–140
–160
–180
–200
2.5
3.0
V
OH
(V)
3.5
4.0
Figure 2a. Typical V
OL
Versus I
OL
for One Buffer Output.
3.0
210
Figure 2b. Typical V
OH
Versus I
OH
for One Buffer Output.
150pF
2.5
ML65L245
2.0
t
pd
(ns)
190
100pF
170
75pF
50pF
ML65245
1.5
I
CC
(mA)
150
130
110
90
30pF
1.0
0.5
70
0.0
30
50
75
LOAD CAPACITANCE (pF)
100
150
50
10
20
30
40
50
60
70
80
90
FREQUENCY (MHz)
Figure 3. Propagation Delay (t
PLH
, t
PHL
) Versus Load
Capacitance, One Output Switching.
Figure 4. I
CC
Versus Frequency for Various Load
Capacitances, Four Outputs Switching.
4