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MC74AC138 Datasheet, PDF (4/7 Pages) ON Semiconductor – 1−of−8 Decoder/Demultiplexer
MC74AC138 MC74ACT138
DC CHARACTERISTICS
Symbol
Parameter
VIH
VIL
VOH
Minimum High Level
Input Voltage
Maximum Low Level
Input Voltage
Minimum High Level
Output Voltage
VCC
(V)
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
74AC
74AC
TA = +25°C
TA =
–40°C to +85°C
Typ Guaranteed Limits
1.5 2.1
2.1
2.25 3.15
3.15
2.75 3.85
3.85
1.5 0.9
0.9
2.25 1.35
1.35
2.75 1.65
1.65
2.99 2.9
2.9
4.49 4.4
4.4
5.49 5.4
5.4
VOL
Maximum Low Level
Output Voltage
3.0
2.56
2.46
4.5
3.86
3.76
5.5
4.86
4.76
3.0 0.002 0.1
0.1
4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
IIN
Maximum Input
Leakage Current
3.0
0.36
0.44
4.5
0.36
0.44
5.5
0.36
0.44
5.5
±0.1
±1.0
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5
75
5.5
–75
5.5
8.0
80
* All outputs loaded; thresholds on input associated with output under test.
† Maximum test duration 2.0 ms, one output loaded at a time.
Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Unit
V
V
V
V
V
V
µA
mA
mA
µA
Conditions
VOUT = 0.1 V
or VCC – 0.1 V
VOUT = 0.1 V
or VCC – 0.1 V
IOUT = –50 µA
*VIN = VIL or VIH
–12 mA
IOH
–24 mA
–24 mA
IOUT = 50 µA
*VIN = VIL or VIH
12 mA
IOL
24 mA
24 mA
VI = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
FACT DATA
5-4