74AC74 • 74ACT74
DC Electrical Characteristics for ACT
Symbol
V
IH
V
IL
V
OH
Parameter
Minimum HIGH Level
Input Voltage
Maximum LOW Level
Output Voltage
Minimum HIGH Level
Output Voltage
V
CC
(V)
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
V
OL
Maximum LOW Level
Output Voltage
4.5
5.5
4.5
5.5
I
IN
I
CCT
I
OLD
I
OHD
I
CC
Maximum Input
Leakage Current
Maximum
I
CC
/Input
Minimum Dynamic
Output Current (Note 6)
Maximum Quiescent
Supply Current
5.5
5.5
5.5
5.5
5.5
2.0
0.6
0.001
0.001
T
A
= +25°C
Typ
1.5
1.5
1.5
1.5
4.49
5.49
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
T
A
= −40°C
to
+85°C
Guaranteed Limits
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
1.5
75
−75
20.0
µA
mA
mA
mA
µA
V
Units
V
V
V
Conditions
V
OUT
=
0.1V
or V
CC
−
0.1V
V
OUT
=
0.1V
or V
CC
−
0.1V
I
OUT
= −50 µA
V
IN
=
V
IL
or V
IH
V
I
OH
= −24
mA
I
OH
= −24
mA (Note 5)
I
OUT
=
50
µA
V
IN
=
V
IL
or V
IH
V
I
OL
=
24 mA
I
OL
=
24 mA (Note 5)
V
I
=
V
CC
, GND
V
I
=
V
CC
−
2.1V
V
OLD
=
1.65V Max
V
OHD
=
3.85V Min
V
IN
=
V
CC
or GND
Note 5:
All outputs loaded; thresholds on input associated with output under test.
Note 6:
Maximum test duration 2.0 ms, one output loaded at a time.
AC Electrical Characteristics for AC
V
CC
Symbol
Parameter
(V)
(Note 7)
f
MAX
Maximum Clock
Frequency
t
PLH
Propagation Delay
C
Dn
or S
Dn
to Q
n
or Q
n
t
PHL
Propagation Delay
C
Dn
or S
Dn
to Q
n
or Q
n
t
PLH
Propagation Delay
CP
n
to Q
n
or Q
n
t
PHL
Propagation Delay
CP
n
to Q
n
or Q
n
Note 7:
Voltage Range 3.3 is 3.3V
±
0.3V
Voltage Range 5.0 is 5.0V
±
0.5V
T
A
= +25°C
C
L
=
50 pF
Min
100
140
3.5
2.5
4.0
3.0
4.5
3.5
3.5
2.5
Typ
125
160
8.0
6.0
10.5
8.0
8.0
6.0
8.0
6.0
12.0
9.0
12.0
9.5
13.5
10.0
14.0
10.0
Max
T
A
= −40°C
to
+85°C
C
L
=
50 pF
Min
95
125
2.5
2.0
3.5
2.5
4.0
3.0
3.5
2.5
13.0
10.0
13.5
10.5
16.0
10.5
14.5
10.5
Max
MHz
Units
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
ns
ns
ns
ns
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