SN74LS138 3-to-8 line decoder

SN74LS138

Texas Instruments · Serie 74LS

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Alternativas compatibles

74HC138 74AC138

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Descripción

The SN74LS138 is a 3-to-8 line decoder/demultiplexer. It takes 3 selection bits and activates one of 8 outputs. It has 3 enable inputs, ideal for addressing chips or expanding control lines. Popular in digital electronics for TTL compatibility and low cost.

Tabla de Verdad

A	B	C	G1	Y0	G2A	G2B	Y1-Y7
L	L	L	H	L	L	L	H
H	L	L	H	L	L	L	H
L	H	L	H	L	L	L	H