MIC4421/4422
Electrical Characteristics:
Micrel, Inc.
(Over operating temperature range with 4.5V ≤ V S ≤ 18V unless otherwise speci?ed.)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
INPUT
V IH
Logic 1 Input Voltage
2.4
1.4
V
V IL
V IN
Logic 0 Input Voltage
Input Voltage Range
–5
1.0
0.8
V S +0.3
V
V
I IN
Input Current
0V ≤ V IN ≤ V S
–10
10
μA
OUTPUT
V OH
V OL
High Output Voltage
Low Output Voltage
Figure 1
Figure 1
V S –.025
0.025
V
V
R O
R O
Output Resistance,
Output High
Output Resistance,
Output Low
I OUT = 10mA, V S = 18V
I OUT = 10mA, V S = 18V
0.8
1.3
3.6
2.7
Ω
Ω
SWITCHING TIME (Note 3)
t R
t F
t D1
t D2
Rise Time
Fall Time
Delay Time
Delay Time
Figure 1, C L = 10,000pF
Figure 1, C L = 10,000pF
Figure 1
Figure 1
23
30
20
40
120
120
80
80
ns
ns
ns
ns
POWER SUPPLY
I S
V S
Power Supply Current
Operating Input Voltage
V IN = 3V
V IN = 0V
4.5
0.6
0.1
3
0.2
18
mA
V
Note 1:
Note 2:
Note 3:
Functional operation above the absolute maximum stress ratings is not implied.
Static-sensitive device. Store only in conductive containers. Handling personnel and equipment should be grounded to
prevent damage from static discharge.
Switching times guaranteed by design.
Test Circuits
V S = 18V
V S = 18V
0.1μF
IN
MIC4421
0.1μF
OUT
15000pF
4.7μF
0.1μF
IN
MIC4422
0.1μF
OUT
15000pF
4.7μF
INPUT
5V
90%
10%
0V
V S
90%
t D1
t P W
t F
2.5V
t P W ≥ 0.5μs
t D2 t R
INPUT
5V
90%
10%
0V
V S
90%
t D1
t P W
t R
2.5V
t P W ≥ 0.5μs
t D2 t F
O U TPU T
10%
0V
Figure 1. Inverting Driver Switching Time
O U TPU T
10%
0V
Figure 2. Noninverting Driver Switching Time
M9999-081005
4
August 2005
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