IN74AC74 查看數據表（PDF） - Integral Corp.
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IN74AC74 Datasheet PDF : 5 Pages
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IN74AC74
AC ELECTRICAL CHARACTERISTICS(CL=50pF,Input tr=tf=3.0 ns)
Symbol
Parameter
VCC*
Guaranteed Limits
V
25 °C
-40°C to
85°C
Min Max Min Max
fmax Clock Frequency (Figure 1)
3.3 100
95
5.0 140
125
tPLH Propagation Delay, Clock to Q or Q
(Figure 1)
3.3 4.5 13.5 4.0 16.0
5.0 3.5 10.0 3.0 10.5
tPHL Propagation Delay, Clock to Q or Q
(Figure 1)
3.3 3.5 14.0 3.5 14.5
5.0 2.5 10.0 2.5 10.5
tPLH Propagation Delay, Set or Reset to Q or Q
(Figure 2)
3.3 5.0 12.5 4.0 13.0
5.0 3.5 9.0 3.0 10.0
tPHL Propagation Delay, Set or Reset to Q or Q
(Figure 2)
3.3 4.0 12.0 3.5 13.5
5.0 3.0 9.5 2.5 10.5
CIN Maximum Input Capacitance
5.0
4.5
4.5
Unit
MHz
ns
ns
ns
ns
pF
CPD Power Dissipation Capacitance
*Voltage Range 3.3 V is 3.3 V ±0.3 V
Voltage Range 5.0 V is 5.0 V ±0.5 V
Typical @25°C,VCC=5.0 V
35
pF
TIMING REQUIREMENTS(CL=50pF,Input tr=tf=3.0 ns)
Symbol
Parameter
VCC*
V
tsu
Minimum Setup Time, Data to Clock
3.3
(Figure 3)
5.0
th
Minimum Hold Time, Clock to Data
3.3
(Figure 3)
5.0
tw
Minimum Pulse Width, Clock, Set or Reset
3.3
(Figures 1,2)
5.0
trec
Minimum Recovery Time, Set or Reset to
3.3
Clock (Figure 2)
5.0
*Voltage Range 3.3 V is 3.3 V ±0.3 V
Voltage Range 5.0 V is 5.0 V ±0.5 V
Guaranteed Limits
25 °C
-40°C to
Unit
85°C
4.0
4.5
ns
3.0
3.0
0.5
0.5
ns
0.5
0.5
5.5
7.0
ns
4.5
5.0
0
0
ns
0
0
102
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