SN54-74LS155 ON Semiconductor, SN54-74LS155 Datasheet - Page 3

• Manufacturer Part Number: SN54-74LS155
• Description: DUAL 1-OF-4 DECODER/ DEMULTIPLEXER
• Manufacturer: ON Semiconductor

GUARANTEED OPERATING RANGES
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
V CC
T A
I OH
I OL
V IH
V IL
V IL
V IK
V OH
V OH
V OL
V OL
I IH
I IH
I IL
I OS
I CC
t PLH
t PHL
t PLH
t PHL
t PLH
t PHL
Symbol
S
Symbol
S
Symbol
b l
b l
Supply Voltage
Operating Ambient Temperature Range
Output Current — High
Output Current — Low
V OUT
V IN
Input HIGH Voltage
Input LOW Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
Output HIGH Voltage
Output LOW Voltage
Output LOW Voltage
Input HIGH Current
Input HIGH Current
Input LOW Current
Short Circuit Current (Note 1)
Power Supply Current
Propagation Delay
Address, E a or E b to Output
Propagation Delay
Address to Output
Propagation Delay
E a to Output
1.3 V
(T A = 25 C)
P
Parameter
P
Parameter
Figure 1
t PHL
1.3 V
Parameter
54, 74
1.3 V
54
74
54
74
74
FAST AND LS TTL DATA
1.3 V
t PLH
SN54/74LS155
Min
– 20
Min
2.0
2.5
2.7
AC WAVEFORMS
Limits
Limits
– 0.65
0.25
0.35
Typ
Typ
3.5
3.5
5-3
10
19
17
19
18
18
– 100
– 1.5
– 0.4
Max
Max
54, 74
0.7
0.8
0.4
0.5
0.1
V OUT
20
10
15
30
26
30
27
27
54
74
54
74
54
74
V IN
(unless otherwise specified)
U i
Unit
U i
Unit
mA
mA
mA
mA
ns
ns
ns
V
V
V
V
V
V
V
V
A
1.3 V
4.75
– 55
Min
4.5
0
1.3 V
t PHL
Guaranteed Input HIGH Voltage for
All Inputs
Guaranteed Input LOW Voltage for
All Inputs
V CC = MIN, I IN = – 18 mA
V CC = MIN, I OH = MAX, V IN = V IH
or V IL per Truth Table
I OL = 4.0 mA
I OL = 8.0 mA
V CC = MAX, V IN = 2.7 V
V CC = MAX, V IN = 7.0 V
V CC = MAX, V IN = 0.4 V
V CC = MAX
V CC = MAX
CC
Figure 2
Figure 1
Figure 2
Figure 1
Typ
5.0
5.0
25
25
, OH
T
Test Conditions
T
Test Conditions
p
1.3 V
C
C
V CC = V CC MIN,
V IN = V IL or V IH
V IN = V IL or V IH
per Truth Table
di i
di i
– 0.4
Max
5.25
t PLH
1.3 V
125
, IN
5.5
4.0
8.0
70
V
V CC = 5.0 V
C L = 15 pF
g
IH
5 0 V
Unit
mA
mA
V
C