MC74AC273(2001) 데이터 시트보기 (PDF) - ON Semiconductor
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MC74AC273 Datasheet PDF : 12 Pages
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MC74AC273, MC74ACT273
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
fmax
Maximum Clock
Frequency
3.3 90 125 –
75
–
5.0 140 175 – 125 –
Mhz
3–3
tPLH
Propagation Delay
Clock to Output
3.3 4.0 7.0 12.5 3.0 14.0
5.0 3.0 5.5 9.0 2.5 10.0
ns
3–6
tPHL
Propagation Delay
Clock to Output
3.3 4.0 7.0 13.0 3.5 14.5
5.0 3.0 5.0 10.0 2.5 11.0
ns
3–6
tPHL
Propagation Delay
MR to Output
3.3 4.0 7.0 13.0 3.5 14.0
5.0 3.0 5.0 10.0 2.5 10.5
ns
3–6
*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
Data to CP
Hold Time, HIGH or LOW
th
Data to CP
Clock Pulse Width
tw
HIGH or LOW
MR Pulse Width
tw
HIGH or LOW
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 3.5
5.5
5.0 2.5
4.0
3.3 –2.0
0
5.0 –1.0
1.0
6.0
4.5
ns
3–9
0
1.0
ns
3–9
3.3 3.5
5.5
5.0 2.5
4.0
3.3 2.0
5.5
5.0 1.5
4.0
6.0
4.5
ns
3–6
6.0
4.5
ns
3–6
3.3 1.5
3.5
5.0 1.0
2.0
4.5
3.0
ns
3–9
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