Complete Guide to Logic Gates
8-to-1 multiplexer (SN74LS151)
The SN74LS151 is an 8-to-1 multiplexer/demultiplexer. It selects one of eight data inputs to a single output channel. It includes enable signal (strobe) and complementary outputs. Common in parallel-to-serial conversion applications.
Datasheet and Pin Diagram
The datasheet provides crucial technical information about this integrated circuit, including pin diagram, electrical characteristics and package information.
The SN74LS151 8-to-1 multiplexer is a fundamental component in digital electronics. Its configuration is 8 data inputs, 3 select lines. Its operation is based on the logic function .
Applications
- Parallel to serial conversion
- Data source selection
- Signal multiplexing
- Channel switching
- Data acquisition systems
This integrated circuit is used in various digital logic applications and embedded systems.
Truth Table
The truth table illustrates the output of the SN74LS151 8-to-1 multiplexer for each possible combination of its logic inputs.
| S2 | S1 | S0 | Selected input |
|---|---|---|---|
| L | L | L | D0 |
| L | L | H | D1 |
| L | H | L | D2 |
| L | H | H | D3 |
| H | L | L | D4 |
| H | L | H | D5 |
| H | H | L | D6 |
| H | H | H | D7 |
Technical Specifications
General Information
8:1 Multiplexer
8 data inputs, 3 select lines
Electrical Characteristics
4.75V - 5.25V
20mA
15ns typ
0掳C to 70掳C
Package Information
DIP-14
0.1" (2.54mm)
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Additional Information
To deepen your understanding of the SN74LS151 8-to-1 multiplexer, you can consult additional resources on Boolean algebra and digital circuit design. Experimenting with circuit simulators or building physical circuits will help you consolidate your understanding.