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SN74HCT139N from TI,Texas Instruments

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SN74HCT139N

Manufacturer: TI

Dual 2-Line To 4-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74HCT139N TI 1770 In Stock

Description and Introduction

Dual 2-Line To 4-Line Decoders/Demultiplexers The SN74HCT139N 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:** 4.5V to 5.5V  
- **High-Level Input Voltage (Min):** 2V  
- **Low-Level Input Voltage (Max):** 0.8V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** PDIP-16  
- **Propagation Delay (Max):** 30 ns at 5V  
- **Current - Output High, Low:** 4mA, 4mA  

### **Descriptions:**  
The SN74HCT139N decodes two binary inputs (A0, A1) into four mutually exclusive outputs (Y0-Y3) when enabled. It features two independent 2-to-4 decoders with active-low outputs and individual enable inputs.  

### **Features:**  
- **Dual 2-to-4 Line Decoding:** Two independent decoders in one package.  
- **Active-Low Outputs:** Outputs are low when selected.  
- **Enable Inputs:** Each decoder has an active-low enable (E) input.  
- **Wide Operating Voltage:** Compatible with TTL and CMOS logic levels.  
- **Low Power Consumption:** HCT technology ensures low power dissipation.  
- **High Noise Immunity:** Typical of HCT family devices.  

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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