SL74HC245
AC ELECTRICAL CHARACTERISTICS
(C
L
=50pF,Input t
r
=t
f
=6.0 ns)
V
CC
Symbol
t
PLH
, t
PHL
Parameter
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 Transceiver
Channel)
C
PD
Used to determine the no-load dynamic power
consumption:
P
D
=C
PD
V
CC2
f+I
CC
V
CC
V
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
-
-
Guaranteed Limit
25
°C
to
-55°C
75
15
13
110
22
19
110
22
19
60
12
10
10
15
≤85°C
95
19
16
140
28
24
140
28
24
75
15
13
10
15
≤125°C
110
22
19
165
33
28
165
33
28
90
18
15
10
15
Unit
ns
t
PLZ
, t
PHZ
ns
t
PZL
, t
PZH
ns
t
TLH
, t
THL
ns
C
IN
C
OUT
pF
pF
Typical @25°C,V
CC
=5.0 V
40
pF
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
SLS
System Logic
Semiconductor
SLS [ SYSTEM LOGIC SEMICONDUCTOR ]
