SL74HC154
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, Input A to
Output Y (Figures 1and 3)
Maximum Propagation Delay , CS to
Output Y (Figures 2 and 3)
Maximum Output Transition Time, Any Output
(Figures 2 and 3)
Maximum Input Capacitance
Power Dissipation Capacitance (Per Package)
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
-
Guaranteed Limit
25
°C
to
-55°C
190
38
32
175
35
30
75
15
13
10
≤85°C
240
48
41
220
44
37
95
19
16
10
≤125°C
285
57
48
265
53
45
110
22
19
10
Unit
ns
t
PLH
, t
PHL
ns
t
TLH
, t
THL
ns
C
IN
pF
Typical @25°C,V
CC
=5.0 V
80
pF
FUNCTION TABLE
Inputs
CS1 CS2 A3 A2 A1 A0 Y0
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
X
X
X
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
X
X
X
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
X
X
X
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
X
X
X
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Y1
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Y2
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Y3
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Y4
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Y5
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
Y6
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
Outputs
Y7
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
Y8
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
Y9 Y10 Y11 Y12 Y13 Y14 Y15
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
SLS
System Logic
Semiconductor
SLS [ SYSTEM LOGIC SEMICONDUCTOR ]
