8-LINE DECODERS/DEMULTIPLEXERS. SN54LS137 Datasheet

SN54LS137 DECODERS/DEMULTIPLEXERS. Datasheet pdf. Equivalent

SN54LS137 Datasheet
Recommendation SN54LS137 Datasheet
Part SN54LS137
Description 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
Feature SN54LS137; SN54/74LS137 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES 3-LINE TO 8-LINE DECODERS.
Manufacture Motorola Inc
Datasheet
Download SN54LS137 Datasheet




Motorola  Inc SN54LS137
3-LINE TO 8-LINE
DECODERS/DEMULTIPLEXERS
WITH ADDRESS LATCHES
DATA OUTPUTS
VCC Y0 Y1 Y2 Y3 Y4 Y5 Y6
16 15 14 13 12 11 10 9
Y0 Y1 Y2 Y3 Y4 Y5
A Y6
B C GL G2 G1 Y7
123
A BC
SELECT
4 56 78
GL G2 G1 Y7 GND
ENABLE
OUTPUT
SN54/74LS137
3-LINE TO 8-LINE
DECODERS/ DEMULTIPLEXERS
WITH ADDRESS LATCHES
LOW POWER SCHOTTKY
16
1
16
1
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA Operating Ambient Temperature Range
IOH Output Current — High
IOL Output Current — Low
16
1
D SUFFIX
SOIC
CASE 751B-03
ORDERING INFORMATION
SN54LSXXXJ Ceramic
SN74LSXXXN Plastic
SN74LSXXXD SOIC
Min Typ Max Unit
54 4.5 5.0 5.5
74 4.75 5.0 5.25
V
54 – 55 25 125 °C
74 0 25 70
54, 74
– 0.4
mA
54 4.0 mA
74 8.0
FAST AND LS TTL DATA
5-225



Motorola  Inc SN54LS137
SN54 / 74LS137
FUNCTION TABLE
INPUTS
ENABLE
SELECT
OUTPUTS
GL G1 G2 C B A Y0 Y1 Y2 Y3 Y4 Y5 Y6
X X HXXXH H H H H H H
X L XXXXH H H H H H H
L H LLLL L HHHHHH
L H L LLHH L H H H H H
L H L LHL H H L H H H H
L H L LHH H H H L H H H
L H LHLL H H H H L H H
L H LHLHH H H H H L H
L H L HHL H H H H H H L
L H L HHH H H H H H H H
H H L XXX
H = high level, L = low level, X = irrelevant
Output corresponding to stored
address, L; all others, H
Y7
H
H
H
H
H
H
H
H
H
L
(1)
A
SELECT
INPUTS
(2)
B
(3)
C
(4)
GL
ENABLE
INPUTS
(5)
G2
(6)
G1
(15)
Y0
(14)
Y1
(13)
Y2
(12)
Y3
(11)
Y4
DATA
OUTPUTS
(10)
Y5
(9)
Y6
(7)
Y7
FAST AND LS TTL DATA
5-226



Motorola  Inc SN54LS137
SN54 / 74LS137
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Min Typ Max
Unit
Test Conditions
VIH Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
54
VIL Input LOW Voltage 74
0.7 Guaranteed Input LOW Voltage for
0.8 V All Inputs
VIK
VOH
Input Clamp Diode Voltage
Output HIGH Voltage
54
74
– 0.65 – 1.5 V VCC = MIN, IIN = – 18 mA
2.5 3.5
2.7 3.5
V VCC = MIN, IOH = MAX, VIN = VIH
V or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
74
0.25 0.4
0.35 0.5
V IOL = 4.0 mA VCC = VCC MIN,
VIN = VIL or VIH
V IOL = 8.0 mA per Truth Table
IIH Input HIGH Current
20 µA VCC = MAX, VIN = 2.7 V
0.1 mA VCC = MAX, VIN = 7.0 V
IIL Input LOW Current
– 0.4 mA VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
– 20
–100 mA VCC = MAX
ICC Power Supply Current
18
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
mA VCC = MAX
AC CHARACTERISTICS (VCC = 5.0 V, TA = 25°C)
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Parameter
Propagation Delay Time, A, B, C to Y
Propagation Delay Time, A, B, C to Y
Propagation Delay Time, Enable G2 to Y
Propagation Delay Time, Enable G1 to Y
Propagation Delay Time, Enable GL to Y
Levels of
Delay
2
4
3
3
2
2
3
3
3
4
Limits
Min Typ Max
11 17
25 38
16 24
19 29
13 21
16 27
14 21
18 27
18 27
25 38
Unit
ns
ns
ns
ns
ns
Test Conditions
VCC = 5.0 V
CL = 15 pF
AC SETUP REQUIREMENTS (TA = 25°C, VCC = 5.0 V)
Symbol
tW
ts
th
Parameter
Pulse Width — Enable at GL
Setup Time, A, B, C
Hold Time, A, B, C
Min
15
10
10
Limits
Typ
Max
Unit
ns
ns
ns
Test Conditions
VCC = 5.0 V
FAST AND LS TTL DATA
5-227







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