IN74ACT74D 查看數據表（PDF） - IK Semicon Co., Ltd
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IN74ACT74D Datasheet PDF : 6 Pages
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IN74ACT74
AC ELECTRICAL CHARACTERISTICS (VCC=5.0 V ± 10%, CL=50pF,Input tr=tf=3.0 ns)
Symbol
Parameter
fmax Maximum Clock Frequency (Figure 1)
tPLH Propagation Delay, Clock to Q or Q
(Figure 1)
tPHL Propagation Delay, Clock to Q or Q
(Figure 1)
tPLH Propagation Delay, Set or Reset to Q or Q
(Figure 2)
tPHL Propagation Delay, Set or Reset to Q or Q
(Figure 2)
CIN Maximum Input Capacitance
Guaranteed Limits
25 °C
-40°C to 85°C
Min Max Min Max
145
125
4.0 11.0 4.0 13.0
3.5 10.0 3.0 11.5
3.0 9.5 2.5 10.5
3.0 10.0 3.0 11.5
4.5
4.5
Unit
MHz
ns
ns
ns
ns
pF
CPD Power Dissipation Capacitance
Typical @25°C,VCC=5.0 V
35
pF
TIMING REQUIREMENTS (VCC=5.0 V ± 10%, CL=50pF, Input tr=tf=3.0 ns)
Symbol
Parameter
tsu
Minimum Setup Time, Data to Clock (Figure 3)
th
Minimum Hold Time, Clock to Data (Figure 3)
tw
Minimum Pulse Width, Clock, Set or Reset (Figures
1,2)
trec
Minimum Recovery Time, Set or Reset to Clock
(Figure 2)
Guaranteed Limits
25 °C
-40°C to
Unit
85°C
3.0
3.5
ns
1.0
1.0
ns
5.0
6.0
ns
0
0
ns
Rev. 00
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