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N74ALS257D from PHIILIPS,Philips

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N74ALS257D

Manufacturer: PHIILIPS

Data selector/multiplexer

Partnumber Manufacturer Quantity Availability
N74ALS257D PHIILIPS 2500 In Stock

Description and Introduction

Data selector/multiplexer # Introduction to the N74ALS257D  

The **N74ALS257D** is a high-performance quad 2-input multiplexer with 3-state outputs, designed for use in digital systems where efficient data routing is required. As part of the **Advanced Low-Power Schottky (ALS)** family, it combines fast switching speeds with reduced power consumption, making it suitable for applications in computing, telecommunications, and embedded systems.  

This IC features four independent multiplexers, each capable of selecting between two data inputs (A or B) based on a common select line (S). The outputs are controlled by an active-low enable (E̅) pin, allowing them to enter a high-impedance state when disabled—ideal for bus-oriented systems.  

Key specifications include:  
- **Operating voltage:** 4.5V to 5.5V  
- **Propagation delay:** Typically 9ns  
- **Low power dissipation:** Suited for energy-efficient designs  
- **TTL-compatible inputs and outputs**  

The N74ALS257D is available in a **SOIC-16** package, ensuring compact integration in PCB designs. Its reliability and speed make it a preferred choice for data selectors, signal routing, and bus interfacing in digital circuits.  

For engineers seeking a robust multiplexer solution, the N74ALS257D offers a balance of performance and efficiency in modern electronic systems.

Application Scenarios & Design Considerations

Data selector/multiplexer

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