ML65244/ML65L244
CH1 1.00V
CH2 1.00V
10.0ns
CH1 1.00V
CH2 1.00V
10.0ns
ML65244
74FCT244
Figure 1. Ground Bounce Comparison, Four Outputs Switching into 50pF Loads.
+20
220
200
180
160
140
120
100
80
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
60
40
20
0
2.5
3.0
3.5
4.0
0.0
0.5
1.0
1.5
2.0
2.5
V (V)
OH
V
OL
(V)
Figure 2b. Typical V
Versus I
Figure 2a. Typical V Versus I
OH
OH
OL
OL
for One Buffer Output.
for One Buffer Output.
3.0
210
150pF
190
170
150
130
110
90
50pF
2.5
2.0
1.5
1.0
0.5
0.0
100pF
75pF
ML65L244
ML65244
30pF
70
50
30
50
75
100
150
10
20
30
40
50
60
70
80
90
LOAD CAPACITANCE (pF)
FREQUENCY (MHz)
Figure 4. I Versus Frequency for Various Load
Figure 3. Propagation Delay (t , t ) Versus Load
CC
PLH PHL
Capacitances, Four Outputs Switching.
Capacitance, One Output Switching.
4