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SN74HC139PWLE

Dual 2-Line To 4-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74HC139PWLE 800 In Stock

Description and Introduction

Dual 2-Line To 4-Line Decoders/Demultiplexers The SN74HC139PWLE is a dual 2-line to 4-line decoder/demultiplexer from Texas Instruments.  

### **Key Specifications:**  
- **Logic Type:** Decoder/Demultiplexer  
- **Number of Circuits:** 2  
- **Number of Input Lines:** 2  
- **Number of Output Lines:** 4 (per circuit)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package Type:** TSSOP-16  
- **Propagation Delay:** Typically 13 ns at 5V  
- **Low Power Consumption:** 20 µA (max)  

### **Description:**  
The SN74HC139PWLE features two independent 2-to-4 decoders that accept two binary-weighted inputs (A0, A1) and provide four mutually exclusive active-low outputs (Y0-Y3). It can also function as a demultiplexer when the enable (E) input is used as the data input.  

### **Features:**  
- **Dual Decoder/Demultiplexer:** Two independent 2-to-4 decoders in one package.  
- **Active-Low Outputs:** Outputs are low when selected.  
- **Wide Operating Voltage:** Supports 2V to 6V operation.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **High Noise Immunity:** Typical CMOS noise margin.  
- **Balanced Propagation Delays:** Ensures stable performance.  

This device is commonly used in digital systems for address decoding, memory selection, and data routing.

Application Scenarios & Design Considerations

Dual 2-Line To 4-Line Decoders/Demultiplexers

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