IN74AC640
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 or B to A
(Figure 1)
3.3
5.0
1.5
1.5
8.5
6.5
1.0
1.0
9.5
7.5
ns
ns
ns
ns
ns
ns
Propagation Delay, A to B or B to A
(Figure 1)
3.3
5.0
1.5
1.5
8.5
6.5
1.0
1.0
9.5
7.5
Propagation Delay, Direction or Output
Enable to A or B (Figure 2)
3.3
5.0
2.5
1.5
11.5
8.0
2.0
1.0
12.5
9.0
Propagation Delay, Directionor Output Enable
to A or B (Figure 2)
3.3
5.0
2.5
1.5
12.5
9.5
2.0
1.0
13.5
10.0
Propagation Delay, Directionor 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
12.0
9.5
1.5
1.0
13.5
10.5
CIN
Maximum Input Capacitance
5.0
5.0
4.5
15
4.5
15
pF
pF
COUT
Maximum Tree-State I/O Capacitance
(Output in High-Impedance State0
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
Rev. 00
IKSEMICON [ IK SEMICON CO., LTD ]
