ADDRESS LATCHES. SN74LS137 Datasheet

SN74LS137 LATCHES. Datasheet pdf. Equivalent

Part SN74LS137
Description 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES
Feature SN54/74LS137 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES 3-LINE TO 8-LINE DECODERS.
Manufacture Motorola
Datasheet
Download SN74LS137 Datasheet



SN74LS137
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



SN74LS137
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





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