74AC240 • 74ACT240
AC Electrical Characteristics
V
CC
Symbol
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Parameter
Propagation Delay
Data to Output
Propagation Delay
Data to Output
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
(V)
(Note 7)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
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
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
Typ
6.0
4.5
5.5
4.5
6.0
5.0
7.0
5.5
7.0
6.5
7.5
6.5
Max
8.0
6.5
8.0
6.0
10.5
7.0
10.0
8.0
10.0
9.0
10.5
9.0
T
A
= −40°C
to
+85°C
C
L
=
50 pF
Min
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Max
9.0
7.0
8.5
6.5
11.0
8.0
11.0
8.5
10.5
9.5
11.5
9.5
ns
ns
ns
ns
ns
ns
Units
AC Electrical Characteristics
V
CC
Symbol
Parameter
(V)
(Note 8)
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
5.0
5.0
5.0
5.0
5.0
5.0
Min
1.5
1.5
1.5
2.0
2.0
2.5
T
A
= +25°C
C
L
=
50 pF
Typ
6.0
5.5
7.0
7.0
8.0
6.5
Max
8.5
7.5
8.5
9.5
9.5
10.0
T
A
= −40°C
to
+85°C
C
L
=
50 pF
Min
1.5
1.5
1.0
1.5
2.0
2.0
Max
9.5
8.5
9.5
10.5
10.5
10.5
ns
ns
ns
ns
ns
ns
Units
Note 8:
Voltage Range 5.0 is 5.0V
±
0.5V
Capacitance
Symbol
C
IN
C
PD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
4.5
45.0
Units
pF
pF
V
CC
=
OPEN
V
CC
=
5.0V
Conditions
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