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SN74ALS157A from TI,Texas Instruments

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SN74ALS157A

Manufacturer: TI

Quadruple 1-of-2 Data Selectors/Multiplexers

Partnumber Manufacturer Quantity Availability
SN74ALS157A TI 1000 In Stock

Description and Introduction

Quadruple 1-of-2 Data Selectors/Multiplexers The SN74ALS157A is a quadruple 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 Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Propagation Delay Time (Max):** 15 ns  
- **Input Current (Max):** 1 mA  
- **Output Current (Max):** 24 mA  
- **Package Options:** PDIP (16-pin), SOIC (16-pin)  

### **Descriptions:**  
The SN74ALS157A is a high-speed TTL logic device that selects one of two data inputs (A or B) based on the select (S) input. It features four independent 2:1 multiplexers with common select and enable inputs.  

### **Features:**  
- **Common Select Input:** Single control input for all four multiplexers  
- **Strobe (Enable) Input:** Allows output control (active-low)  
- **High-Speed Operation:** Optimized for fast switching  
- **Low Power Consumption:** ALS technology reduces power usage  
- **Wide Operating Voltage:** Compatible with standard 5V systems  
- **Balanced Propagation Delays:** Ensures synchronized performance  

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

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