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SN74LS257 from TI,Texas Instruments

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SN74LS257

Manufacturer: TI

LOW POWER SCHOTTKY

Partnumber Manufacturer Quantity Availability
SN74LS257 TI 850 In Stock

Description and Introduction

LOW POWER SCHOTTKY The SN74LS257 is a quadruple 2-line to 1-line data selector/multiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Channels:** 4 (Quadruple)  
- **Input Lines per Channel:** 2  
- **Output Lines per Channel:** 1  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Propagation Delay (Typical):** 15 ns  
- **Power Dissipation (Typical):** 32 mW  
- **Output Type:** 3-State  

### **Description:**  
The SN74LS257 features four independent 2-input multiplexers with common select and output enable inputs. It is designed to select between two data sources and route the selected data to the output. The 3-state outputs allow for bus-oriented applications.  

### **Features:**  
- **4-bit 2-to-1 Multiplexer**  
- **Common Select Input**  
- **3-State Outputs for Bus Interface**  
- **Low Power Consumption**  
- **Schottky-clamped for High Performance**  
- **TTL-Compatible Inputs and Outputs**  

This device is commonly used in digital systems for data routing, signal selection, and bus interfacing applications.

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