IN74HC74AD Просмотр технического описания (PDF) - Integral Corp.
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IN74HC74AD Datasheet PDF : 5 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 Unit
to
-55°C
fmax Maximum Clock Frequency (50% Duty Cycle) 2.0 6.0
4.8
4.0 MHz
(Figures 1 and 4)
4.5 30
24
20
6.0 35
28
24
tPLH, tPHL Maximum Propagation Delay, Clock to Q or Q 2.0 100
125
150
ns
(Figures 1 and 4)
4.5 20
25
30
6.0 17
21
26
tPLH, tPHL Maximum Propagation Delay, Set or Reset to Q 2.0 105
130
160
ns
or Q (Figures 2 and 4)
4.5 21
26
32
6.0 18
22
27
tTLH, tTHL Maximum Output Transition Time, Any Output 2.0
75
95
110
ns
(Figures 1 and 4)
4.5 15
19
22
6.0 13
16
19
CIN Maximum Input Capacitance
-
10
10
10
pF
Power Dissipation Capacitance (Per Flip-Flop)
Typical @25°C,VCC=5.0 V
CPD Used to determine the no-load dynamic power
consumption:
PD=CPDVCC2f+ICCVCC
39
pF
TIMING REQUIREMENTS(CL=50pF,Input tr=tf=6.0 ns)
Symbol
Parameter
VCC
Guaranteed Limit
V 25 °C to-55°C ≤85°C ≤125°C Unit
tsu
Minimum Setup Time, Data to Clock 2.0
80
(Figure 3)
4.5
16
6.0
14
100
120
ns
20
24
17
20
th
Minimum Hold Time, Clock to Data 2.0
3.0
(Figure 3)
4.5
3.0
6.0
3.0
3.0
3.0
ns
3.0
3.0
3.0
3.0
trec
Minimum Recovery Time, Set or
2.0
8.0
Reset Inactive to Clock (Figure 2)
4.5
8.0
6.0
8.0
8.0
8.0
ns
8.0
8.0
8.0
8.0
tw
Minimum Pulse Width, Clock (Figure 2.0
60
1)
4.5
12
6.0
10
75
90
ns
15
18
13
15
tw
Minimum Pulse Width, Set or Reset
2.0
60
(Figure 2)
4.5
12
6.0
10
75
90
ns
15
18
13
15
tr, tf Maximum Input Rise and Fall Times 2.0
(Figure 1)
4.5
6.0
1000
500
400
1000
1000
ns
500
500
400
400
82
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