IN74AC112 查看數據表（PDF） - Integral Corp.
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IN74AC112 Datasheet PDF : 5 Pages
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IN74AC112
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 Maximum Clock Frequency (Figure 1)
3.3 145
125
5.0 145
125
tPLH Propagation Delay, Clock to Q or Q
(Figure 1)
3.3 1.0 16.0 1.0 17.0
5.0 1.0 13.0 1.0 13.5
tPHL Propagation Delay, Clock to Q or Q
(Figure 1)
3.3 1.0 16.0 1.0 16.5
5.0 1.0 13.0 1.0 13.5
tPLH Propagation Delay, Set or Reset to Q or Q
(Figure 2)
3.3 1.0 11.0 1.0 11.5
5.0 1.0 9.5 1.0 10.0
tPHL Propagation Delay, Set or Reset to Q or Q
(Figure 2)
3.3 1.0 11.0 1.0 11.5
5.0 1.0 9.5 1.0 10.0
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, J or K to Clock (Figure 3.3
3)
5.0
th
Minimum Hold Time, Clock to J or K (Figure 3.3
3)
5.0
tw
Minimum Pulse Width, Clock (Figure 1)
3.3
5.0
tw
Minimum Pulse Width,Set or Reset
3.3
(Figure 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
6.5
7.5
ns
4.5
5.0
0
0
ns
0
0
6.0
6.5
ns
5.0
5.5
6.5
7.5
ns
5.0
5.5
0
0
ns
0
0
130
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