TECHNICAL DATA
IN74LV139
Dual 2-to-4 line
decoder/demultiplexer; inverting
The IN74LV139 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
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Demultiplexing capability
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Two independent 2-to-4 decoders
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Multifunction capability
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Active LOW mutually exclusive outputs
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Output capability: standard
16
1
16
1
D SUFFIX
SOIC
N SUFFIX
PLASTIC
ORDERING INFORMATION
IN74LV139N Plastic
IN74LV139D SOIC
T
A
= -40擄 to 125擄 C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Inputs
E
H
L
L
L
L
PIN 16 =V
CC
PIN 8 = GND
A1
X
L
L
H
H
A0
X
L
H
L
H
Outputs
Y0 Y1 Y2 Y3
H
L
H
H
H
H
H
L
H
H
H
H
H
L
H
H
H
H
H
L
H = high level (steady state)
L = low level (steady state)
X = don鈥檛 care
INTEGRAL
1
IN74LV139相關(guān)型號PDF文件下載
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