1:8 Line Demultiplexer (Digital) Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12714
Indian Lab Suppliers supplies the 1:8 Line Demultiplexer (Digital) (Product ID: 12714) as part of its electronics engineering lab equipment range. It routes one digital input to any of eight outputs using the IC 74138 and three address lines.
Quick Answer
The 74138 3-to-8 decoder is used as a demultiplexer: the data signal goes to an enable input, and the three address (control) inputs, set on SPDT switches, choose which of the eight outputs receives it. A 555 timer provides a pulse train as the data signal, and LEDs show which output is active. A 5 V, 50 mA regulated supply is built in, and the board runs from 230 V ±10%, 50 Hz mains with fuse and jewel light; terminals are provided for observing waveforms. Operating instructions with theory, design procedure and report suggestions are supplied.
Key Specifications
| Parameter | Detail |
|---|---|
| Demultiplexer IC | 74138 |
| Configuration | 1 input to 8 outputs |
| Address lines | 3 |
| Signal source | 555 timer |
| Inputs / indicators | SPDT switches; LEDs |
| Internal supply | 5 V DC, 50 mA, IC regulated |
| Mains supply | 230 V ±10%, 50 Hz, with fuse and jewel light |
Where This Is Used
Used with the Digital Multiplexer (8-bit) (Product ID: 12713) to show a complete multiplex-demultiplex link; a 1-to-16 version is the 4 Line to 16 Line Decoder/1 to 16 Demultiplexer (Product ID: 12721). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
How many outputs are there?
Eight, chosen by three address lines.
Which IC is used?
The 74138, a 3-to-8 decoder used as a demultiplexer.
What does the 555 timer do?
It supplies the pulse signal that is routed to the outputs.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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