
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
http://onsemi.com
4
AC CHARACTERISTICS
(For Figures and Waveforms See AND8277/D at www.onsemi.com)
Symbol
Parameter
V
CC
*
(V)
74AC
74AC
Unit
Fig.
No.
T
A
= +25
°
C
C
L
= 50 pF
T
A
= 40
°
C to +85
°
C
C
L
= 50 pF
Min
Typ
Max
Min
Max
t
PLH
Propagation Delay
Data to Output (
′
AC540)
3.3
5.0
1.5
1.5
5.5
4.0
7.5
6.0
1.0
1.0
8.0
6.5
ns
35
t
PHL
Propagation Delay
Data to Output (
′
AC540)
3.3
5.0
1.5
1.5
5.0
4.0
7.0
5.5
1.0
1.0
7.5
6.0
ns
35
t
PZH
Output Enable Time
(
′
AC540)
3.3
5.0
3.0
2.0
8.5
6.5
11
8.5
2.5
2.0
12
9.5
ns
37
t
PZL
Output Enable Time
(
′
AC540)
3.3
5.0
2.5
2.0
7.5
6.0
10
7.5
2.0
1.5
11
8.5
ns
38
t
PHZ
Output Disable Time
(
′
AC540)
3.3
5.0
2.5
1.5
8.5
7.5
13
10.5
1.5
1.0
14
11
ns
37
t
PLZ
Output Disable Time
(
′
AC540)
3.3
5.0
2.0
1.5
7.0
6.0
10
8.0
2.0
1.5
11
9.0
ns
38
t
PLH
Propagation Delay
Data to Output (
′
AC541)
3.3
5.0
2.0
1.5
5.5
4.0
8.0
6.0
1.5
1.0
9.0
6.5
ns
35
t
PHL
Propagation Delay
Data to Output (
′
AC541)
3.3
5.0
2.0
1.5
5.5
4.0
8.0
6.0
1.5
1.0
8.5
6.5
ns
35
t
PZH
Output Enable Time
(
′
AC541)
3.3
5.0
3.0
2.0
8.0
6.0
11.5
8.5
3.0
1.5
12.5
9.5
ns
37
t
PZL
Output Enable Time
(
′
AC541)
3.3
5.0
2.5
1.5
7.0
5.5
10
7.5
2.5
1.0
11.5
8.5
ns
38
t
PHZ
Output Disable Time
(
′
AC541)
3.3
5.0
3.5
2.0
9.0
7.0
12.5
9.5
2.5
1.0
14
10.5
ns
37
t
PLZ
Output Disable Time
(
′
AC541)
3.3
5.0
2.5
2.0
6.5
5.5
9.5
7.5
2.0
1.0
10.5
8.5
ns
38
*Voltage Range 3.3 V is 3.3 V
±
0.3 V.
Voltage Range 5.0 V is 5.0 V
±
0.5 V.