MC74AC138(2015) 查看數據表（PDF） - ON Semiconductor
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MC74AC138 Datasheet PDF : 10 Pages
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MC74AC138, MC74ACT138
DC CHARACTERISTICS
74ACT
74ACT
Symbol
Parameter
VCC
(V)
TA = +25°C
TA =
−40°C to +85°C
Unit
Conditions
Typ
Guaranteed Limits
VIH
Minimum High Level
Input Voltage
VIL
Maximum Low Level
Input Voltage
VOH
Minimum High Level
Output Voltage
4.5
1.5 2.0
2.0
5.5
1.5 2.0
2.0
4.5
1.5 0.8
0.8
5.5
1.5 0.8
0.8
4.5 4.49 4.4
4.4
5.5 5.49 5.4
5.4
V
VOUT = 0.1 V
or VCC − 0.1 V
V
VOUT = 0.1 V
or VCC − 0.1 V
V
IOUT = −50 μA
4.5
− 3.86
3.76
5.5
− 4.86
4.76
*VIN = VIL or VIH
V
−24 mA
IOH
−24 mA
VOL
Maximum Low Level
Output Voltage
4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
V
IOUT = 50 μA
4.5
− 0.36
0.44
5.5
− 0.36
0.44
*VIN = VIL or VIH
V
IOL
24 mA
24 mA
IIN
Maximum Input
Leakage Current
5.5
− ±0.1
±1.0
μA
VI = VCC, GND
ΔICCT
Additional Max. ICC/Input
5.5
0.6
−
1.5
mA
VI = VCC − 2.1 V
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5
−
−
75
5.5
−
−
−75
5.5
−
8.0
80
mA
VOLD = 1.65 V Max
mA
VOHD = 3.85 V Min
μA
VIN = VCC or GND
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
AC CHARACTERISTICS
74ACT
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max
Min
Max
tPLH
Propagation Delay
An to On
tPHL
Propagation Delay
An to On
tPLH
Propagation Delay
E1 or E2 to On
tPHL
Propagation Delay
E1 or E2 to On
tPLH
Propagation Delay
E3 to On
tPHL
Propagation Delay
E3 to On
*Voltage Range 5.0 V is 5.0 V ± 0.5 V
CAPACITANCE
5.0 1.5 7.0 10.5
1.5
5.0 1.5 6.5 10.5
1.5
5.0 2.5 8.0 11.5
2.0
5.0 2.0 7.5 11.5
2.0
5.0 2.5 8.0 12.0
2.0
5.0 2.0 6.5 10.5
1.5
11.5
ns
3−6
11.5
ns
3−6
12.5
ns
3−6
12.5
ns
3−6
13.0
ns
3−6
11.5
ns
3−6
Symbol
Parameter
Value
Typ
Unit
Test Conditions
CIN
Input Capacitance
CPD
Power Dissipation Capacitance
4.5
pF
60
pF
VCC = 5.0 V
VCC = 5.0 V
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