MC74ACT374M 查看數據表（PDF） - ON Semiconductor
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MC74ACT374M Datasheet PDF : 12 Pages
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MC74AC374, MC74ACT374
DC CHARACTERISTICS (continued)
Symbol
Parameter
74AC
74AC
VCC
(V)
TA = +25°C TA = –40°C to +85°C
Unit
Typ
Guaranteed Limits
ICC
Maximum Quiescent
Supply Current
5.5
–
8.0
80
mA
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
NOTE: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Conditions
VIN = VCC or GND
AC CHARACTERISTICS (For Figures and Waveforms – See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
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
Maximum Clock
fmax
Frequency
3.3 60 110
–
60
–
5.0 100 155 – 100 –
MHz 3–3
Propagation Delay
tPLH
CP to On
Propagation Delay
tPHL
CP to On
tPZH
Output Enable Time
3.3 3.0 11 13.5 1.5 15.5
5.0 2.5 8.0 9.5 1.5 10.5
ns
3–6
3.3 2.5 10 12.5 2.0 14
5.0 2.0 7.0 9.0 1.5 10
ns
3–6
3.3 3.0 9.5 11.5 1.5 13
5.0 2.0 7.0 8.5 1.0 9.5
ns
3–7
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
ns
3–8
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
ns
3–7
tPLZ
Output Disable Time
3.3 2.0 8.0 11.5 1.0 12.5
5.0 1.5 6.5 8.5 1.0 10
ns
3–8
*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
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
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
3.3 2.0
5.5
5.0 1.0
4.0
6.0
4.5
ns
3–9
3.3 –1.0
1.0
5.0
0
1.5
1.0
1.5
ns
3–9
3.3 4.0
5.5
5.0 2.5
4.0
6.0
4.5
ns
3–6
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