74LS155 Dual 1-of-4 Decoder Demultiplexer IC (74LS155 TTL Logic IC)

The 74LS155 is a dual 1-of-4 line decoder and demultiplexer integrated circuit designed for digital logic and data routing applications. It contains two independent decoder sections, each using binary selection inputs to control four output lines. The IC is suitable for address decoding, data distribution, device selection, and digital control circuits.

Key Features -

• Dual 1-of-4 decoder configuration

• Dual 1-of-4 demultiplexer operation

• Two independent decoder sections

• Common binary select inputs

• Active-low outputs

• TTL logic compatible

• High-speed switching operation

• Suitable for digital address decoding

Specifications -

• Product Type: Dual 1-of-4 Decoder Demultiplexer IC

• IC Number: 74LS155

• Logic Family: 74LS TTL

• Number of Decoder Sections: 2

• Number of Select Inputs: 2

• Number of Outputs: 8

• Function: Decoder and Demultiplexer

• Output Type: Active Low

• Enable Inputs: Separate enable inputs for decoder sections

• Logic Type: Digital TTL Logic

• Package: 16 Pin IC Package

• Supply Voltage: 5V typical

• Additional Features: Dual decoder structure, data routing capability, device selection, address decoding

Applications -

• Digital address decoding

• Memory selection circuits

• Data routing and demultiplexing

• Microprocessor systems

• Digital control circuits

• Device selection

• Logic switching applications

• Embedded electronic projects