IN74AC244
AC ELECTRICAL CHARACTERISTICS
(C
L
=50pF, Input t
r
=t
f
=3.0 ns)
V
CC*
Symbol
Parameter
V
Guaranteed Limits
25
°C
Min
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
C
IN
Propagation Delay, A to YA or B to YB
(Figure 1)
Propagation Delay, A to YA or B to YB
(Figure 1)
Propagation Delay, Output Enable to YA or
YB (Figure 2)
Propagation Delay, Output Enable to YA or
YB (Figure 2)
Propagation Delay, Output Enable to YA or
YB (Figure 2)
Propagation Delay, Output Enable to YA or
YB (Figure 2)
Maximum Input Capacitance
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
5.0
2.0
1.5
2.0
1.5
2.0
1.5
2.5
1.5
3.0
2.5
2.5
2.0
4.5
Max
9.0
7.0
9.0
7.0
10.5
7.0
10.0
8.0
10.0
9.0
10.5
9.0
-40°C to
85°C
Min
1.5
1.0
2.0
1.0
1.5
1.5
2.0
1.5
1.5
1.0
2.5
2.0
4.5
Max
10.0
7.5
10.0
7.5
11.0
8.0
11.0
8.5
10.5
9.5
11.5
9.5
ns
ns
ns
ns
ns
ns
pF
Unit
Typical @25°C,V
CC
=5.0 V
C
PD
*
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
321
INTEGRAL [ INTEGRAL CORP. ]
