IN74AC374 查看數據表（PDF） - Integral Corp.
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IN74AC374 Datasheet PDF : 5 Pages
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IN74AC374
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 60
60
5.0 100
100
tPLH Propagation Delay, Clock to Q (Figure 1)
3.3 3.0 13.5 1.5 15.5
5.0 2.5 9.5 1.5 10.5
tPHL Propagation Delay, Clock to Q (Figure 1)
3.3 2.5 12.5 2.0 14.0
5.0 2.0 9.0 1.5 10.0
tPZH Propagation Delay, Output Enable to Q
(Figure 2)
3.3 3.0 11.5 1.5 13.0
5.0 2.0 8.5 1.0 9.5
tPZL Propagation Delay, Output Enable to Q
(Figure 2)
3.3 2.5 11.5 1.5 13.0
5.0 2.0 8.5 1.0 9.5
tPHZ Propagation Delay, Output Enable to Q
(Figure 2)
3.3 3.0 12.5 2.0 14.5
5.0 2.0 11.0 2.0 12.5
tPLZ Propagation Delay, Output Enable to Q
(Figure 2)
3.3 2.0 11.5 1.0 12.5
5.0 1.5 8.5 1.0 10.0
CIN Maximum Input Capacitance
5.0
4.5
4.5
Unit
MHz
ns
ns
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
80
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 (Figure 1)
3.3
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
5.5
6.0
ns
4.0
4.5
1.0
1.0
ns
1.5
1.5
5.5
6.0
ns
4.0
4.5
429
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