IN74HC74A データシートの表示（PDF） - IK Semicon Co., Ltd
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IN74HC74A Datasheet PDF : 6 Pages
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IN74HC74A
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
VCC
Guaranteed Limit
V 25 °C ≤85°C ≤125°C
to
-55°C
fmax Maximum Clock Frequency (50% Duty Cycle)
(Figures 1 and 4)
2.0 6.0
4.8
4.0
4.5 30
24
20
6.0 35
28
24
tPLH, tPHL Maximum Propagation Delay, Clock to Q or Q
(Figures 1 and 4)
2.0 100
125
150
4.5 20
25
30
6.0 17
21
26
tPLH, tPHL Maximum Propagation Delay, Set or Reset to Q or 2.0 105
130
160
Q (Figures 2 and 4)
4.5 21
26
32
6.0 18
22
27
tTLH, tTHL Maximum Output Transition Time, Any Output
(Figures 1 and 4)
2.0 75
4.5 15
6.0 13
95
110
19
22
16
19
CIN Maximum Input Capacitance
-
10
10
10
Unit
MHz
ns
ns
ns
pF
CPD Power Dissipation Capacitance (Per Flip-Flop)
Used to determine the no-load dynamic power
consumption:
PD=CPDVCC2f+ICCVCC
Typical @25°C,VCC=5.0 V
pF
39
TIMING REQUIREMENTS (CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
VCC
Guaranteed Limit
Unit
V 25 °C ≤85°C ≤125°C
to-
55°C
tsu
Minimum Setup Time, Data to Clock (Figure 3)
2.0 80
100
120
ns
4.5 16
20
24
6.0 14
17
20
th
Minimum Hold Time, Clock to Data (Figure 3)
2.0 3.0
3.0
3.0
ns
4.5 3.0
3.0
3.0
6.0 3.0
3.0
3.0
trec Minimum Recovery Time, Set or Reset Inactive to 2.0 8.0
8.0
8.0
ns
Clock (Figure 2)
4.5 8.0
8.0
8.0
6.0 8.0
8.0
8.0
tw
Minimum Pulse Width, Clock (Figure 1)
2.0 60
75
90
ns
4.5 12
15
18
6.0 10
13
15
tw
Minimum Pulse Width, Set or Reset (Figure 2)
2.0 60
75
90
ns
4.5 12
15
18
6.0 10
13
15
tr, tf Maximum Input Rise and Fall Times (Figure 1)
2.0 1000 1000 1000
ns
4.5 500
500
500
6.0 400
400
400
Rev. 00
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