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SN74AS138N from TEXAS

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SN74AS138N

Manufacturer: TEXAS

3-Line To 8-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74AS138N TEXAS 89 In Stock

Description and Introduction

3-Line To 8-Line Decoders/Demultiplexers The SN74AS138N is a 3-line to 8-line decoder/demultiplexer manufactured by Texas Instruments.  

### **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**: 0°C to 70°C  
- **Propagation Delay Time**: Typically 9ns  
- **Power Dissipation**: 250mW (max)  
- **Package**: 16-pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
The SN74AS138N decodes three binary address inputs (A0, A1, A2) into one of eight mutually exclusive outputs (Y0-Y7). It features three enable inputs (two active-low and one active-high) for cascading and control.  

### **Features:**  
- **High-Speed Operation**: Optimized for performance in AS (Advanced Schottky) logic family.  
- **Multiple Enable Inputs**: Allows for easy expansion (G1, G2A, G2B).  
- **Low Power Consumption**: Designed for efficient power usage.  
- **Wide Operating Voltage**: Compatible with standard TTL levels.  
- **Outputs Can Drive Up to 10 LSTTL Loads**: High drive capability.  

This device is commonly used in memory decoding, data routing, and demultiplexing applications.

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