Micrel, Inc.
Symbol
t
D2
t
PW
f
max
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
4. Minimum footprint.
5. Guaranteed by design.
MIC4421A/4422A
Parameter
Delay Time
Minimum Input Pulse Width
Maximum Input Frequency
Condition
Test Figure 1
See Figure 1 and Figure 2.
See Figure 1 and Figure 2.
Min
Typ
35
50
1
Max
60
80
Units
ns
ns
ns
MHz
Switching Time (Note 5)
continued
Test Circuit
V
S
= 18V
0.1µF
V
IN
MIC4421A
0.1µF
V
OUT
10,000pF
4.7µF
V
S
= 18V
0.1µF
V
IN
MIC4422A
0.1µF
V
OUT
10,000pF
4.7µF
INPUT
5V
90%
10%
0V
V
S
90%
t
D1
t
PW
2.5V
t
PW
t
F
t
D2
50ns
t
R
INPUT
5V
90%
10%
0V
V
S
90%
t
D1
t
PW
2.5V
t
PW
t
R
t
D2
50ns
t
F
OUTPUT
10%
0V
OUTPUT
10%
0V
Figure 1. Inverting Driver Switching Time
Figure 2. Non-Inverting Driver Switching Time
Control Input Behavior
Logic 1
Logic 0
V
IL
0V
V
IL
0.8V
1.5V
2.1V
3V
V
IH
V
IH
V
S
Figure 3. Input Hysteresis
June 2007
4
M9999-062707
MICREL [ MICREL SEMICONDUCTOR ]
