Demultiplexer (DEMUX) Calculator
Show DEMUX logic and truth tables for 1:2, 1:4, and 1:8 demultiplexers. Essential for understanding data distribution and routing in digital circuits.
Demultiplexer Type
Inputs
What is a Demultiplexer (DEMUX)?
A demultiplexer is a digital circuit that takes a single input signal and routes it to one of several output lines. It performs the opposite function of a multiplexer, distributing data from one source to multiple destinations based on select lines.
How to Use This Calculator
- Select DEMUX type - Choose 1:2, 1:4, or 1:8 demultiplexer
- Set input values - Configure data input and select lines
- Click "Calculate" to see output distribution
- View results including truth table and Boolean expressions
- Copy or export the analysis for your projects
Types of Demultiplexers
1:2 Demultiplexer
Routes 1 input to 2 outputs using 1 select line. The data input D is directed to either Y0 or Y1 based on the select line S0.
- When S0 = 0: Y0 = D, Y1 = 0
- When S0 = 1: Y0 = 0, Y1 = D
1:4 Demultiplexer
Routes 1 input to 4 outputs using 2 select lines. The combination of S1 and S0 determines which output receives the data.
1:8 Demultiplexer
Routes 1 input to 8 outputs using 3 select lines. Provides distribution among 8 different output destinations.
Applications and Uses
Data Distribution
- Memory address decoding
- I/O port selection
- Serial-to-parallel conversion
- Data routing in networks
Digital Systems
- CPU instruction decoding
- Display multiplexing
- Communication systems
- Control signal distribution