AC Electrical Characteristics
74AC
Symbol
Parameter
V
CC
(V)
Min
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
Data to Output
Propagation Delay
Data to Output
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
33
50
33
50
33
50
33
50
33
50
33
50
10
10
10
10
10
10
10
10
10
10
10
10
T
A
e a
25 C
C
L
e
50 pF
Typ
65
55
65
50
60
50
75
55
75
65
75
65
Max
90
70
90
70
10 5
70
10 0
80
10 0
90
10 5
90
54AC
T
A
e b
55 C
to
a
125 C
C
L
e
50 pF
Min
Max
74AC
T
A
e b
40 C
to
a
85 C
C
L
e
50 pF
Min
10
10
10
10
10
10
10
10
10
10
10
10
Max
10 0
75
10 0
75
11 0
80
11 0
85
10 5
95
11 5
95
ns
ns
ns
ns
ns
ns
Units
Voltage Range 3 3 is 3 3V
g
0 3V
Voltage Range 5 0 is 5 0V
g
0 5V
AC Electrical Characteristics
74ACT
Symbol
Parameter
V
CC
(V)
Min
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
Data to Output
Propagation Delay
Data to Output
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
50
50
50
50
50
50
10
10
10
10
10
10
T
A
e a
25 C
C
L
e
50 pF
Typ
65
70
60
70
70
75
Max
90
90
85
95
95
10 0
74ACT
T
A
e b
40 C
to
a
85 C
C
L
e
50 pF
Min
10
10
10
10
10
10
Max
10 0
10 0
95
10 5
10 5
10 5
ns
ns
ns
ns
ns
ns
Units
Voltage Range 5 0 is 5 0V
g
0 5V
Capacitance
Symbol
C
IN
C
PD
Parameter
Input Capacitance
Power Dissipation
Capacitance
AC ACT
Typ
45
45 0
pF
pF
V
CC
e
OPEN
V
CC
e
5 0V
Units
Conditions
4
NSC [ NATIONAL SEMICONDUCTOR ]
