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SN74ALS138AN from TI,Texas Instruments

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SN74ALS138AN

Manufacturer: TI

3-Line to 8-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74ALS138AN TI 1500 In Stock

Description and Introduction

3-Line to 8-Line Decoders/Demultiplexers The SN74ALS138AN is a 3-line to 8-line decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type**: Decoder/Demultiplexer  
- **Number of Input Lines**: 3  
- **Number of Output Lines**: 8 (active-low)  
- **Supply Voltage (VCC)**: 4.5V to 5.5V  
- **Operating Temperature Range**: 0°C to 70°C  
- **Propagation Delay (Max)**: 15 ns  
- **Power Dissipation (Max)**: 75 mW  
- **Package Type**: PDIP (Plastic Dual-In-Line Package)  
- **Pin Count**: 16  

### **Descriptions:**  
The SN74ALS138AN decodes three binary address inputs (A0, A1, A2) into one of eight mutually exclusive outputs (Y0-Y7). It features three enable inputs (G1, G2A, G2B) that must be in the correct state (G1 high, G2A and G2B low) for the device to function.  

### **Features:**  
- **Active-Low Outputs**: Outputs are low when selected.  
- **Multiple Enable Inputs**: Allows for easy expansion to larger decoders.  
- **High-Speed Operation**: Optimized for performance in TTL systems.  
- **Low Power Consumption**: Suitable for battery-operated devices.  
- **Wide Operating Voltage Range**: Compatible with standard 5V logic systems.  

This device is commonly used in memory decoding, data routing, and other digital logic applications.

Application Scenarios & Design Considerations

3-Line to 8-Line Decoders/Demultiplexers

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