TECHNICAL DATA
Dual 2-to-4 line decoder/demultiplexer;
inverting
The
KK74LV139
is a low-voltage Si-gate CMOS device and is pin
and function compatible with 74HCT139.
The74LV139 is dual 2-to-4 line decoder/demultiplexer . This device
has two independent decoders, each accepting two binary weighted
inputs (A0a,A0b and A1a,A1b) and providing four mutually exclusive
active LOW outputs (nY0 to nY3). Each decoder has an active LOW
enable input (nE)
When nE is HIGH, every output is forced HIGH. The enable can be
used as the data input for a 1-to-4 demultiplexer application.
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Optimized for Low Voltage applications:1.2 to 3.6 V
Demultiplexing capability
Two independent 2-to-4 decoders
Multifunction capability
Active LOW mutually exclusive outputs
KK74LV139
N SUFFIX
PLASTIC
16
1
16
1
D SUFFIX
SOIC
ORDERING INFORMATION
KK74LV139N
Plastic
KK74LV139D
SOIC
T
A
= -40擄 to 125擄 C for all packages
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Output capability: standard
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Inputs
E
A1
X
L
L
H
H
Outputs
A0
X
L
H
L
H
Y0 Y1 Y2 Y3
H
L
H
H
H
H
H
L
H
H
H
H
H
L
H
H
H
H
H
L
PIN 16 =V
CC
PIN 8 = GND
H
L
L
L
L
H = high level (steady state)
L = low level (steady state)
X = don鈥檛 care
1
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