MC74AC157, MC74ACT157
DC CHARACTERISTICS
74ACT
Symbol
Parameter
V
CC
(V)
T
A
= +25°C
Typ
V
IH
V
IL
V
OH
Minimum High Level
u
g e e
Input Voltage
Maximum Low Level
a
u
o
e e
Input Voltage
Minimum High Level
u
g e e
Output Voltage
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
V
OL
Maximum Low Level
a
u
o
e e
Output Voltage
4.5
5.5
4.5
5.5
I
IN
DI
CCT
I
OLD
I
OHD
I
CC
Maximum Input
a
u
u
Leakage Current
Additional Max. I
CC
/Input
†Minimum Dynamic
Output C
O t t Current
t
Maximum Quiescent
a
u Qu esce
Supply Current
5.5
55
5.5
5.5
5.5
5.5
55
1.5
1.5
1.5
1.5
4.49
5.49
−
−
0.001
0.001
−
−
−
0.6
−
−
−
74ACT
T
A
=
−40°C to
+85°C
Unit
Conditions
Guaranteed Limits
2.0
2.0
0.8
0.8
4.4
5.4
3.86
4.86
0.1
0.1
0.36
0.36
±0.1
±0
1
−
−
−
8.0
80
2.0
2.0
0.8
0.8
4.4
5.4
3.76
4.76
0.1
0.1
0.44
0.44
±1.0
±1
0
1.5
75
−75
80
V
V
V
V
OUT
= 0.1 V
or V
CC
− 0.1 V
V
OUT
= 0.1 V
or V
CC
− 0.1 V
I
OUT
= −50
mA
*V
IN
= V
IL
or V
IH
−24 mA
I
OH
−24 mA
I
OUT
= 50
mA
*V
IN
= V
IL
or V
IH
24 mA
I
OL
24 mA
V
I
= V
CC
, GND
V
I
= V
CC
− 2.1 V
V
OLD
= 1.65 V Max
V
OHD
= 3.85 V Min
V
IN
= V
CC
or GND
V
V
V
mA
mA
mA
mA
mA
*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
(For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74ACT
Symbol
Parameter
V
CC
*
(V)
Min
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Propagation Delay
Pro agation
S to Z
n
Pro agation
Propagation Delay
S to Z
n
Pro agation
Propagation Delay
E
n
to Z
n
Pro agation
Propagation Delay
E
n
to Z
n
Pro agation
Propagation Delay
I
n
to Z
n
Propagation Delay
Pro agation
I
n
to Z
n
50
5.0
5.0
50
5.0
50
5.0
50
5.0
50
50
5.0
20
2.0
2.0
20
1.5
15
1.5
15
1.5
15
15
1.5
T
A
= +25°C
C
L
= 50 pF
Typ
−
−
−
−
−
−
Max
90
9.0
9.5
95
10
8.5
85
7.0
70
75
7.5
74ACT
T
A
= −40°C
to +85°C
C
L
= 50 pF
Min
15
1.5
2.0
20
1.5
15
1.0
10
1.0
10
10
1.0
Max
10 0
10.0
10.5
10 5
11.5
11 5
9.0
90
8.5
85
85
8.5
ns
ns
ns
ns
ns
ns
3−6
3−6
3−6
3−6
3−5
3−5
Unit
Fig.
No.
*Voltage Range 5.0 V is 5.0 V
±0.5
V.
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