3-to-8 line decoder (SN74LS138) 7413

Datasheet

Official datasheet 3-to-8 line decoder (SN74LS138) 7413 - Decoders

The datasheet for 3-to-8 line decoder (SN74LS138) 7413 provides complete technical information including pin diagram, electrical characteristics and typical applications.

Download PDF Buy

Category: Decoders | Type: 3-to-8 Decoder | Configuration: 3 selection inputs, 8 outputs

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.

Applications

Memory addressing
Data demultiplexing
Chip selection
Control line expansion
Address decoding

These applications show the versatility of the component in different areas of electronics.

Truth Table

The truth table for the sn74ls138 3-to-8 line decoder shows all possible input combinations and their corresponding output.

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

Technical Specifications

General Information

Type

3-to-8 Decoder

Configuration

3 selection inputs, 8 outputs

Part Number

SN74LS138

Electrical Characteristics

operatingVoltage

4.75V - 5.25V

maxCurrent

8mA per output

propagationDelay

41ns typical

temperature

0°C to +70°C

packageType

DIP-16

pinSpacing

2.54mm

Additional Information

The sn74ls138 3-to-8 line decoder is a fundamental component in the decoders category. Its design and characteristics make it ideal for a wide range of applications in digital electronics.

Related Projects with SN74LS138 3-to-8 line decoder

Click to load comments