74LS139D

Official

Miscellaneous

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Generic

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Curated by CircuitSim

74LS139D schematic symbol
Details

Manufacturer

Generic


Part number


Pins

7


Used in

No circuits


Added

Jul 2026

About this component

Seven-pin 74LS139D 2-to-4 decoder and demultiplexer.

Pins

Pins
7 pins
NumberNameDescription

1

A

Address input A (least-significant bit).

2

B

Address input B (most-significant bit).

3

Y0

Active-low decoded output 0.

4

Y1

Active-low decoded output 1.

5

Y2

Active-low decoded output 2.

6

Y3

Active-low decoded output 3.

7

~G

Active-low decoder enable input.

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