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SN54LS139AJ from TI,Texas Instruments

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SN54LS139AJ

Manufacturer: TI

Dual 2-Line To 4-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN54LS139AJ TI 700 In Stock

Description and Introduction

Dual 2-Line To 4-Line Decoders/Demultiplexers The SN54LS139AJ is a dual 2-line to 4-line decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Operating Temperature Range:** -55°C to +125°C (Military-grade)  
- **Package Type:** Ceramic DIP (Dual In-Line Package)  
- **Number of Pins:** 16  
- **Propagation Delay:** Typically 21ns  
- **Power Dissipation:** 45mW (typical)  

### **Descriptions:**  
- The SN54LS139AJ contains two independent 2-to-4 decoders in a single package.  
- Each decoder accepts two binary-weighted inputs (A0, A1) and provides four mutually exclusive active-low outputs (Y0-Y3).  
- An active-low enable input (G) controls the operation of the decoder.  

### **Features:**  
- **Dual Decoder/Demultiplexer:** Two independent 2-to-4 decoders in one IC.  
- **Active-Low Outputs:** Outputs are low when selected.  
- **Enable Input:** Allows for easy cascading and control.  
- **Wide Operating Temperature:** Suitable for military and harsh environments.  
- **Schottky Technology:** Provides high speed with low power consumption.  

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

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