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74AC74 Datasheet(PDF) 4 Page - ON Semiconductor

Part No. 74AC74
Description  Dual D−Type Positive Edge−Triggered Flip−Flop
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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74AC74 Datasheet(HTML) 4 Page - ON Semiconductor

 
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MC74AC74, MC74ACT74
http://onsemi.com
4
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol
Parameter
VCC*
(V)
74AC
74AC
Unit
Fig.
No.
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Min
Typ
Max
Min
Max
fmax
Maximum Clock
Frequency
3.3
100
125
95
MHz
3−3
5.0
140
160
125
tPLH
Propagation Delay
CDn or SDn to Qn or Qn
3.3
5.0
8.0
12.5
4.0
13.0
ns
3−6
5.0
3.5
6.0
9.0
3.0
10.0
tPHL
Propagation Delay
CDn or SDn to Qn or Qn
3.3
4.0
10.5
12.0
3.5
13.5
ns
3−6
5.0
3.0
8.0
9.5
2.5
10.5
tPLH
Propagation Delay
CPn to Qn or Qn
3.3
4.5
8.0
13.5
4.0
16.0
ns
3−6
5.0
3.5
6.0
10.0
3.0
10.5
tPHL
Propagation Delay
CPn to Qn or Qn
3.3
3.5
8.0
14.0
3.5
14.5
ns
3−6
5.0
2.5
6.0
10.0
2.5
10.5
*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
VCC*
(V)
74AC
74AC
Unit
Fig.
No.
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Typ
Guaranteed Minimum
ts
Set-up Time, HIGH or LOW
3.3
1.5
4.0
4.5
ns
3−9
Dn to CPn
5.0
1.0
3.0
3.0
th
Hold Time, HIGH or LOW
3.3
−2.0
0.5
0.5
ns
3−9
Dn to CPn
5.0
−1.5
0.5
0.5
tw
CPn or CDn or SDn
3.3
3.0
5.5
7.0
ns
3−6
Pulse Width
5.0
2.5
4.5
5.0
trec
Recovery TIme
3.3
−2.5
0
0
ns
3−9
CDn or SDn to CP
5.0
−2.0
0
0
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.


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