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SN74ALS257AD from TI,Texas Instruments

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SN74ALS257AD

Manufacturer: TI

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ALS257AD TI 17720 In Stock

Description and Introduction

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs The SN74ALS257AD is a quad 2-line to 1-line data selector/multiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Data Selector/Multiplexer  
- **Number of Channels:** 4  
- **Input Lines per Channel:** 2  
- **Output Lines per Channel:** 1  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** SOIC-16  
- **Output Type:** 3-State  
- **Propagation Delay Time:** Typically 10ns  
- **High-Level Output Current:** -2.6mA  
- **Low-Level Output Current:** 24mA  

### **Descriptions:**  
The SN74ALS257AD is a high-speed CMOS logic device that selects one of two data inputs (A or B) based on the select (S) input and routes it to the output (Y). The outputs feature 3-state capability, allowing multiple devices to share a common bus.  

### **Features:**  
- **Quad 2-to-1 Multiplexer:** Four independent multiplexers in one package.  
- **3-State Outputs:** Allows bus-oriented operation.  
- **Low Power Consumption:** ALS technology ensures efficient power usage.  
- **High-Speed Operation:** Fast switching for improved performance.  
- **Wide Operating Voltage:** Compatible with standard TTL levels.  

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

Application Scenarios & Design Considerations

Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

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