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SL74HCT139D

Description
Dual 1-of-4 Decoder/Demultiplexer(High-Performance Silicon-Gate CMOS)
File Size46KB,5 Pages
ManufacturerSLS
Websitehttp://www.slsemicon.com
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SL74HCT139D Overview

Dual 1-of-4 Decoder/Demultiplexer(High-Performance Silicon-Gate CMOS)

SL74HCT139
Dual 1-of-4 Decoder/Demultiplexer
High-Performance Silicon-Gate CMOS
The SL74HCT139A is identical in pinout to the LS/ALS139. The
SL74HCT139A may be used as a level converter for interfacing TTL or
NMOS outputs to High Speed CMOS inputs.
This device consists of two independent 1-of-4 decoders, each of
which decodes a two-bit Address to one-of-four active-low outputs.
Active-low Selects are provided to facilitate the demultiplexing and
cascading functions. The demultiplexing function is accomplished by
using the Address inputs to select the desired device output, and
utilizing the Select as a data input.
TTL/NMOS Compatible Input Levels
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 4.5 to 5.5 V
Low Input Current: 1.0
µA
ORDERING INFORMATION
SL74HCT139N Plastic
SL74HCT139D SOIC
T
A
= -55° to 125° C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Inputs
Select
PIN 16 =V
CC
PIN 8 = GND
H
L
L
L
L
A1
X
L
L
H
H
A0
X
L
H
L
H
Y0
H
L
H
H
H
Outputs
Y1
H
H
L
H
H
Y2
H
H
H
L
H
Y3
H
H
H
H
L
X = don’t care
SLS
System Logic
Semiconductor

SL74HCT139D Related Products

SL74HCT139D SL74HCT139N SL74HCT139
Description Dual 1-of-4 Decoder/Demultiplexer(High-Performance Silicon-Gate CMOS) Dual 1-of-4 Decoder/Demultiplexer(High-Performance Silicon-Gate CMOS) Dual 1-of-4 Decoder/Demultiplexer(High-Performance Silicon-Gate CMOS)
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