IN74ACT251
AC ELECTRICAL CHARACTERISTICS (VCC=5.0 V ± 10%, CL=50pF, Input tr=tf=3.0 ns)
Guaranteed Limits
25 °C -40°C to 85°C
Min Max
Symbol
Parameter
Unit
Min
2.0
Max
17.0
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
CIN
Propagation Delay, Input A to
Output Y or Y (Figure 3)
2.5
2.5
2.5
2.5
1.5
1.5
2.0
1.5
15.5
16.5
12.0
12.5
8.5
ns
ns
ns
ns
ns
ns
ns
ns
pF
Propagation Delay, Input A to
Output Y or Y (Figure 3)
2.5
2.0
2.5
1.5
1.5
2.0
1.5
18.5
13.0
14.0
9.0
Propagation Delay, Input D to
Output Y or Y (Figures 1,2)
Propagation Delay, Input D to
Output Y or Y (Figures 1,2)
Propagation Delay, Output Enable to
Output Y or Y (Figure 4)
Propagation Delay, Output Enable to
Output Y or Y (Figure 4)
8.5
9.5
Propagation Delay, Output Enable to
Output Y or Y (Figure 4)
12.0
8.5
13.0
9.0
Propagation Delay, Output Enable to
Output Y or Y (Figure 4)
Maximum Input Capacitance
Power Dissipation Capacitance
4.5
4.5
Typical @25°C,VCC=5.0 V
CPD
70
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
Rev. 00
IKSEMICON [ IK SEMICON CO., LTD ]
