MC74AC574, MC74ACT574
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4
AC CHARACTERISTICS (For Figures and Waveforms See AND8277/D at www.onsemi.com)
Symbol
Parameter
VCC*
(V)
74AC
Unit
Fig.
No.
TA = +25°C
CL = 50 pF
TA = 40°C to +85°C
CL = 50 pF
Min
Typ
Max
Min
Max
fmax
Maximum Clock
3.3
75
60
MHz
33
Frequency
5.0
95
85
tPLH
Propagation Delay
3.3
3.5
13.5
3.5
15
ns
36
CP to On
5.0
2.0
9.5
2.0
11
tPHL
Propagation Delay
3.3
3.5
12
3.5
13.5
ns
36
CP to On
5.0
2.0
8.5
2.0
9.5
tPZH
Output Enable Time
3.3
2.5
11
2.5
12
ns
37
5.0
2.0
8.5
2.0
9.0
tPZL
Output Enable Time
3.3
3.0
10.5
3.5
11.5
ns
38
5.0
1.5
8.0
2.0
9.0
tPHZ
Output Disable Time
3.3
4.0
12
4.5
13
ns
37
5.0
2.0
9.5
2.0
10.5
tPLZ
Output Disable Time
3.3
2.0
9.0
2.5
10
ns
38
5.0
1.5
7.5
1.5
8.5
* 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
Symbol
Parameter
VCC*
(V)
74AC
Unit
Fig.
No.
TA = +25°C
CL = 50 pF
TA = 40°C to +85°C
CL = 50 pF
Typ
Guaranteed Minimum
ts
Setup Time, HIGH or LOW
3.3
2.5
3.0
ns
39
Dn to CP
5.0
1.5
2.0
th
Hold Time, HIGH or LOW
3.3
1.5
ns
39
Dn to CP
5.0
1.5
tw
CP Pulse Width
3.3
6.0
7.0
ns
36
HIGH or LOW
5.0
4.0
5.0
*Voltage Range 3.3 V is 3.3 V
±0.3 V.
Voltage Range 5.0 V is 5.0 V
±0.5 V.