IN74AC245
AC ELECTRICAL CHARACTERISTICS
(CL=50pF, Input tr=tf=3.0 ns)
*
VCC
V
Guaranteed Limits
Symbol
Parameter
Unit
25 °C
-40°C to
85°C
Min
Max
Min
Max
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation Delay, A to B, B to A
(Figure 1)
3.3
5.0
1.5
1.5
8.5
6.5
1.0
1.0
9.0
7.0
ns
ns
ns
ns
ns
ns
Propagation Delay, A to B, B to A
(Figure 1)
3.3
5.0
1.5
1.5
8.5
6.0
1.0
1.0
9.0
7.0
Propagation Delay, Direction or Output
Enable to A or B (Figure 2)
3.3
5.0
1.5
1.5
11.5
8.5
2.0
1.0
12.5
9.0
Propagation Delay, Direction or Output
Enable to A or B (Figure 2)
3.3
5.0
2.5
1.5
12.0
9.0
2.0
1.0
13.5
9.5
Propagation Delay, Direction or Output
Enable to A or B (Figure 2)
3.3
5.0
2.0
1.5
12.0
9.0
1.0
1.0
12.5
10.0
Propagation Delay, Direction or Output
Enable to A or B (Figure 2)
3.3
5.0
2.0
1.5
11.5
9.0
1.5
1.0
13.0
10.0
CIN
Maximum Input Capacitance
5.0
5.0
4.5
15
4.5
15
pF
pF
COUT
Maximum Three-State I/O Capacitance
(I/O in High-Impedance State)
Typical @25°C,VCC=5.0 V
CPD
Power Dissipation Capacitance
45
pF
*Voltage Range 3.3 V is 3.3 V ±0.3 V
Voltage Range 5.0 V is 5.0 V ±0.5 V
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
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