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MC74AC374 Datasheet PDF : 10 Pages
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MC74AC374, MC74ACT374
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Min
Typ
Max
Min
Max
Maximum Clock
fmax
Frequency
3.3
60
110
−
60
−
5.0 100
155
−
100
−
Propagation Delay
tPLH
CP to On
Propagation Delay
tPHL
CP to On
tPZH
Output Enable Time
3.3
3.0
5.0
2.5
3.3
2.5
5.0
2.0
3.3
3.0
5.0
2.0
11
13.5
1.5
15.5
8.0
9.5
1.5
10.5
10
12.5
2.0
14
7.0
9.0
1.5
10
9.5
11.5
1.5
13
7.0
8.5
1.0
9.5
tPZL
Output Enable Time
3.3
2.5
9.0
11.5
1.5
13
5.0
2.0
6.5
8.5
1.0
9.5
tPHZ
Output Disable Time
3.3
3.0
10.5 12.5
2.0
14.5
5.0
2.0
8.0
11
2.0
12.5
tPLZ
Output Disable Time
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
3.3
2.0
5.0
1.5
8.0
11.5
1.0
12.5
6.5
8.5
1.0
10
Unit
MHz
ns
ns
ns
ns
ns
ns
AC OPERATING REQUIREMENTS
Symbol
Parameter
Setup Time, HIGH or LOW
ts
Dn to CP
Hold Time, HIGH or LOW
th
Dn to CP
CP Pulse Width
tw
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.
74AC
74AC
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
Unit
CL = 50 pF
Typ
Guaranteed Minimum
3.3 2.0
5.5
5.0 1.0
4.0
6.0
4.5
ns
3.3 −1.0
1.0
5.0
0
1.5
1.0
1.5
ns
3.3 4.0
5.5
5.0 2.5
4.0
6.0
4.5
ns
Fig.
No.
3−3
3−6
3−6
3−7
3−8
3−7
3−8
Fig.
No.
3−9
3−9
3−6
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