MC74AC138_15 Datasheet, PDF (6/10 Pages) ON Semiconductor – 1-of-8 Decoder/Demultiplexer

MC74AC138, MC74ACT138
DC CHARACTERISTICS
74ACT
74ACT
Symbol
Parameter
V_CC
(V)
T_A = +25°C
T_A =
−40°C to +85°C
Unit
Conditions
Typ
Guaranteed Limits
V_IH
Minimum High Level
Input Voltage
V_IL
Maximum Low Level
Input Voltage
V_OH
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
V_OUT = 0.1 V
or V_CC − 0.1 V
V
V_OUT = 0.1 V
or V_CC − 0.1 V
V
I_OUT = −50 μA
4.5
− 3.86
3.76
5.5
− 4.86
4.76
*V_IN = V_IL or V_IH
V
−24 mA
I_OH
−24 mA
V_OL
Maximum Low Level
Output Voltage
4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
V
I_OUT = 50 μA
4.5
− 0.36
0.44
5.5
− 0.36
0.44
*V_IN = V_IL or V_IH
V
I_OL
24 mA
24 mA
I_IN
Maximum Input
Leakage Current
5.5
− ±0.1
±1.0
μA
V_I = V_CC, GND
ΔI_CCT
Additional Max. I_CC/Input
5.5
0.6
−
1.5
mA
V_I = V_CC − 2.1 V
I_OLD
I_OHD
I_CC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5
−
−
75
5.5
−
−
−75
5.5
−
8.0
80
mA
V_OLD = 1.65 V Max
mA
V_OHD = 3.85 V Min
μA
V_IN = V_CC 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
V_CC*
(V)
T_A = +25°C
C_L = 50 pF
T_A = −40°C to +85°C
C_L = 50 pF
Unit
Fig.
No.
Min Typ Max
Min
Max
t_PLH
Propagation Delay
A_n to O_n
t_PHL
Propagation Delay
A_n to O_n
t_PLH
Propagation Delay
E₁ or E₂ to O_n
t_PHL
Propagation Delay
E₁ or E₂ to O_n
t_PLH
Propagation Delay
E_{3 to} O_n
t_PHL
Propagation Delay
E₃ to O_n
*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
C_IN
Input Capacitance
C_PD
Power Dissipation Capacitance
4.5
pF
60
pF
V_CC = 5.0 V
V_CC = 5.0 V
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