IN74HCT245A
AC ELECTRICAL CHARACTERISTICS
(V
CC
=5.0 V
±
10%, C
L
=50pF,Input t
r
=t
f
=6.0 ns)
Guaranteed Limit
Symbol
Parameter
25
°C
to
-55°C
22
32
30
12
10
15
≤85°C
≤125°C
Unit
t
PLH
, t
PHL
t
PLZ
, t
PHZ
t
PZL
, t
PZH
t
TLH
, t
THL
C
IN
C
OUT
Maximum Propagation Delay, A to B or B to A
(Figures 1 and 3)
Maximum Propagation Delay , Direction or
Output Enable to A or B (Figures 2 and 4)
Maximum Propagation Delay , Direction or
Output Enable to A or B (Figures 2 and 4)
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
Maximum Input Capacitance (Pin 1 or Pin 19)
Maximum Three-State I/O Capacitance
(I/O in High-Impedance State)
Power Dissipation Capacitance (Per Enable
Output)
28
40
38
15
10
15
33
48
45
18
10
15
ns
ns
ns
ns
pF
pF
Typical @25°C,V
CC
=5.0 V
97
pF
C
PD
Used to determine the no-load dynamic power
consumption:
P
D
=C
PD
V
CC2
f+I
CC
V
CC
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
Rev. 00
IKSEMICON [ IK SEMICON CO., LTD ]
