MC74AC574, MC74ACT574
AC CHARACTERISTICS
(For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74AC
Symbol
Parameter
V
CC
*
(V)
Min
f
max
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Maximum Clock
Frequency
Propagation Delay
CP to O
n
Propagation Delay
CP to O
n
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
75
95
3.5
2.0
3.5
2.0
2.5
2.0
3.0
1.5
4.0
2.0
2.0
1.5
T
A
= +25°C
C
L
= 50 pF
Typ
−
−
−
−
−
−
−
−
−
−
−
−
−
−
Max
−
−
13.5
9.5
12
8.5
11
8.5
10.5
8.0
12
9.5
9.0
7.5
74AC
T
A
= −40°C to +85°C
C
L
= 50 pF
Min
60
85
3.5
2.0
3.5
2.0
2.5
2.0
3.5
2.0
4.5
2.0
2.5
1.5
Max
−
−
15
11
13.5
9.5
12
9.0
11.5
9.0
13
10.5
10
8.5
MHz
ns
ns
ns
ns
ns
ns
3−3
3−6
3−6
3−7
3−8
3−7
3−8
Unit
Fig.
No.
* Voltage Range 3.3 V is 3.3 V
±0.3
V.
Voltage Range 5.0 V is 5.0 V
±0.5
V.
AC OPERATING REQUIREMENTS
74AC
Symbol
Parameter
V
CC
*
(V)
T
A
= +25°C
C
L
= 50 pF
Typ
t
s
t
h
t
w
Setup Time, HIGH or LOW
D
n
to CP
Hold Time, HIGH or LOW
D
n
to CP
3.3
5.0
3.3
5.0
3.3
5.0
−
−
−
−
−
−
74AC
T
A
= −40°C to +85°C
C
L
= 50 pF
Unit
Fig.
No.
Guaranteed Minimum
2.5
1.5
1.5
1.5
6.0
4.0
3.0
2.0
1.5
1.5
7.0
5.0
ns
ns
ns
3−9
3−9
3−6
CP Pulse Width
HIGH or LOW
*Voltage Range 3.3 V is 3.3 V
±0.3
V.
Voltage Range 5.0 V is 5.0 V
±0.5
V.
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