MC74AC57N View Datasheet(PDF) -
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MC74AC57 MC74ACT574
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
fmax
Maximum Clock
Frequency
3.3 75
5.0 95
60
MHz
3-3
85
tPLH
tPHL
tPZH
Propagation Delay
CP to On
Propagation Delay
CP to On
Output Enable Time
3.3 3.5
5.0 2.0
3.3 3.5
5.0 2.0
3.3 2.5
5.0 2.0
13.5 3.5 15
ns
3-6
9.5 2.0 11
12
3.5 13.5
ns
3-6
8.5 2.0 9.5
11 2.5 12
ns
3-7
8.5 2.0 9.0
tPZL
Output Enable Time
3.3 3.0
5.0 1.5
10.5 3.5 11.5
ns
3-8
8.0 2.0 9.0
tPHZ
Output Disable Time
3.3 4.0
5.0 2.0
12 4.5 13
ns
3-7
9.5 2.0 10.5
tPLZ
Output Disable Time
3.3 2.0
5.0 1.5
9.0 2.5 10
ns
3-8
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
ts
Setup Time, HIGH or LOW
Dn to CP
th
Hold Time, HIGH or LOW
Dn to CP
tw
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.
74AC
74AC
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
3.3
2.5
3.0
ns
3-9
5.0
1.5
2.0
3.3
1.5
1.5
ns
3-9
5.0
1.5
1.5
3.3
6.0
7.0
ns
3-6
5.0
4.0
5.0
FACT DATA
5-5
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