9/2/2025 7:11:40 AM   By  Symond  in


SN74LS251N Encoders, Decoders, Multiplexers & Demultiplexers by ON Semiconductor – Buy Online at XON

The Encoders, Decoders, Multiplexers & Demultiplexers SN74LS251N by ON Semiconductor is an advanced 3-state output multiplexer IC designed for logic selection and routing in digital systems. As part of the Semiconductors, Integrated Circuits - ICs, Logic ICs, Encoders, Decoders, Multiplexers & Demultiplexers family, this IC is ideal for projects requiring efficient signal selection and control.


1. Technical Specifications of SN74LS251N

  • Manufacturer: ON Semiconductor

  • Part Number: SN74LS251N

  • Category: Semiconductors, Integrated Circuits - ICs, Logic ICs, Encoders, Decoders, Multiplexers & Demultiplexers

  • Function: 8-input multiplexer with 3-state outputs

  • Package Type: DIP-16

  • Supply Voltage Range: 4.75V – 5.25V

  • Propagation Delay: ~20ns (typical)

  • Operating Temperature: 0°C to +70°C


2. Key Features of SN74LS251N

  • Belongs to Semiconductors, Integrated Circuits - ICs, Logic ICs, Encoders, Decoders, Multiplexers & Demultiplexers category

  • 8 data inputs with single output and enable control

  • High-speed TTL performance

  • Tri-state output for bus compatibility

  • Low power consumption with reliable LS technology


3. Applications of SN74LS251N

  • Data routing in digital logic circuits

  • Microprocessor system design

  • Signal multiplexing in embedded systems

  • Test equipment and instrumentation

  • Digital communication hardware


4. Wiring and Connection Overview

  • Inputs: 8 data inputs (D0–D7), 3 select inputs (S0–S2)

  • Output: Multiplexed Y output with enable control

  • Enable Input: Active low, controls tri-state functionality

  • Direct connection with other TTL devices


5. Use Case Example – Signal Multiplexing

Challenge: A designer needed to reduce wiring complexity when routing multiple signals.
Solution: The SN74LS251N provided a single output path with easy selection.
Result: Simplified circuit design and improved efficiency.


6. Download Datasheet for SN74LS251N

[Download the SN74LS251N Datasheet at XON Electronics]


7. Also available from other manufacturers

The SN74LS251N Encoders, Decoders, Multiplexers & Demultiplexers is also available from Texas Instruments, ensuring broader availability for engineers and developers.


8. Why Buy from XON Electronics?

  • Global stock of Semiconductors, Integrated Circuits - ICs, Logic ICs, Encoders, Decoders, Multiplexers & Demultiplexers

  • 100% authentic ON Semiconductor and other brands

  • Competitive pricing with fast worldwide delivery

  • Serving USA, India, Australia, Europe & more


9. FAQs – SN74LS251N

Q1: What type of IC is the SN74LS251N?
A: It is an 8-input multiplexer with tri-state output.

Q2: Can it be used in microprocessor systems?
A: Yes, it’s commonly used for data routing and signal selection.

Q3: What package does it come in?
A: Standard DIP-16 package.

Q4: Does it support tri-state outputs?
A: Yes, enabling direct bus connection.

Q5: Where can I buy it?
A: You can Buy Online at XON with global delivery options.


Conclusion

The SN74LS251N Encoders, Decoders, Multiplexers & Demultiplexers by ON Semiconductor is a reliable and efficient solution for digital signal routing. Belonging to the Semiconductors, Integrated Circuits - ICs, Logic ICs, Encoders, Decoders, Multiplexers & Demultiplexers family, it simplifies circuit design and ensures stable performance. Get the best deals and Buy Online at XON today.


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