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SN74HC139N from TEXAS

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SN74HC139N

Manufacturer: TEXAS

Dual 2-Line To 4-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74HC139N TEXAS 197 In Stock

Description and Introduction

Dual 2-Line To 4-Line Decoders/Demultiplexers The **SN74HC139N** is a dual 2-line to 4-line decoder/demultiplexer manufactured by **Texas Instruments (TI)**.  

### **Specifications:**  
- **Logic Type**: Decoder/Demultiplexer  
- **Number of Circuits**: 2  
- **Number of Input Lines**: 2 (per decoder)  
- **Number of Output Lines**: 4 (per decoder)  
- **Supply Voltage Range**: 2V to 6V  
- **High-Level Output Current**: -5.2 mA  
- **Low-Level Output Current**: 5.2 mA  
- **Propagation Delay Time**: 15 ns (typical at 5V)  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package / Case**: PDIP-16 (Plastic Dual In-Line Package)  

### **Descriptions:**  
The **SN74HC139N** contains two independent 2-to-4 line decoders/demultiplexers. Each decoder accepts two binary-weighted inputs (A0, A1) and provides four mutually exclusive active-low outputs (Y0-Y3). The device features an enable input (E) that, when held high, disables all outputs.  

### **Features:**  
- **Dual 2-to-4 Line Decoder/Demultiplexer**  
- **Active-Low Outputs**  
- **Wide Operating Voltage Range (2V to 6V)**  
- **Low Power Consumption**  
- **High Noise Immunity**  
- **Schmitt-Trigger Inputs for Improved Noise Rejection**  
- **Standard 16-Pin PDIP Package**  

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

Application Scenarios & Design Considerations

Dual 2-Line To 4-Line Decoders/Demultiplexers

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