74AC174 查看數據表（PDF） - ON Semiconductor
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74AC174 Datasheet PDF : 9 Pages
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MC74AC174, MC74ACT174
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 90 100 −
70
−
5.0 100 125
−
100
−
MHz
3−3
Propagation Delay
tPLH
CP to Qn
Propagation Delay
tPHL
CP to Qn
Propagation Delay
tPHL
MR to Qn
*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 9.0 11.5 1.5 12.5
5.0 1.5 6.0 8.5 1.0 9.5
ns
3−6
3.3 2.0 8.5 11.0 1.5 12.0
5.0 1.5 6.0 8.0 1.0 9.0
ns
3−6
3.3 2.5 9.0 11.5 2.0 12.5
5.0 1.5 7.0 9.0 1.5 10.5
ns
3−6
AC OPERATING REQUIREMENTS
Symbol
Parameter
Setup Time, HIGH or LOW
ts
Dn to CP
Hold Time, HIGH or LOW
th
Dn to CP
tw
MR Pulse Width, LOW
tw
CP Pulse Width
Recovery TIme
trec
MR to CP
*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
6.5
5.0 2.0
5.0
7.0
5.5
ns
3−9
3.3 1.0
3.0
5.0 0.5
3.0
3.0
3.0
ns
3−9
3.3 1.0
5.5
5.0 1.0
5.0
7.0
5.0
ns
3−6
3.3 1.0
5.5
5.0 1.0
5.0
7.0
5.0
ns
3−6
3.3
0
2.5
5.0
0
2.0
2.5
2.0
ns
3−6
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