IN74AC574 查看數據表（PDF） - Integral Corp.
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IN74AC574 Datasheet PDF : 5 Pages
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IN74AC574
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 (50% Duty Cycle) 3.3 75
60
(Figure 1)
5.0 95
85
tPLH Propagation Delay, Clock to Q (Figure 1)
3.3 3.5 13.5 3.5 15
5.0 2.0 9.5 2.0 11
tPHL Propagation Delay, Clock to Q (Figure 1)
3.3 3.5 12 3.5 13.5
5.0 2.0 8.5 2.0 9.5
tPZH Propagation Delay, Output Enable to Q
(Figure 2)
3.3 2.5 11 2.5 12
5.0 2.0 8.5 2.0 9.0
tPZL Propagation Delay, Output Enable to Q
(Figure 2)
3.3 3.0 10.5 3.5 11.5
5.0 1.5 8.0 2.0 9.0
tPHZ Propagation Delay, Output Enable to Q
(Figure 2)
3.3 4.0 12 4.5 13
5.0 2.0 9.5 2.0 10.5
tPLZ Propagation Delay, Output Enable to Q
(Figure 2)
3.3 2.0 9.0 2.5 10
5.0 1.5 7.5 1.5 8.5
CIN Maximum Input Capacitance
5.0
5.0
5.0
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
25
pF
TIMING REQUIREMENTS (CL=50pF, Input tr=tf=3.0 ns)
Symbol
tSU
th
tw
Parameter
Minimum Setup Time, Data to Clock (Figure
3)
Minimum Hold Time, Clock to Data (Figure
3)
Minimum Pulse Width, Clcok (Figure 1)
*Voltage Range 3.3 V is 3.3 V ±0.3 V
Voltage Range 5.0 V is 5.0 V ±0.5 V
VCC*
V
3.3
5.0
3.3
5.0
3.3
5.0
Guaranteed Limit
25°C
-40°C to 85°C Unit
2.5
3.0
ns
1.5
2.0
1.5
1.5
ns
1.5
1.5
6.0
7.0
ns
4.0
5.0
469
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