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SN54ALS138AJ from TI,Texas Instruments

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SN54ALS138AJ

Manufacturer: TI

3-Line To 8-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN54ALS138AJ TI 25 In Stock

Description and Introduction

3-Line To 8-Line Decoders/Demultiplexers The SN54ALS138AJ 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 Range**: 4.5V to 5.5V  
- **Operating Temperature Range**: -55°C to +125°C (military-grade)  
- **Package Type**: Ceramic DIP (Dual In-line Package)  
- **Propagation Delay**: Typically 12ns  
- **Input Current (Max)**: 0.1mA  
- **Output Current (Max)**: 24mA  

### **Descriptions:**  
The SN54ALS138AJ is designed to accept three binary-weighted inputs (A0, A1, A2) and provide eight mutually exclusive active-low outputs (Y0-Y7). It includes three enable inputs (G1, G2A, G2B) that must be asserted (G1 high, G2A and G2B low) for proper operation.  

### **Features:**  
- **High-Speed Operation**: Optimized for ALS (Advanced Low-Power Schottky) performance.  
- **Low Power Consumption**: Designed for efficient power usage.  
- **Wide Operating Voltage**: Supports standard 5V logic levels.  
- **Military Temperature Range**: Suitable for harsh environments.  
- **Active-Low Outputs**: Simplifies interfacing with other logic circuits.  
- **Three Enable Inputs**: Allows for easy cascading and control.  

This device is commonly used in memory decoding, data routing, and other applications requiring address decoding.

Application Scenarios & Design Considerations

3-Line To 8-Line Decoders/Demultiplexers

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