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SN74AHCT139DR from TI,Texas Instruments

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SN74AHCT139DR

Manufacturer: TI

Dual 2-Line To 4-Line Decoders / Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74AHCT139DR TI 1295 In Stock

Description and Introduction

Dual 2-Line To 4-Line Decoders / Demultiplexers The SN74AHCT139DR is a dual 2-line to 4-line decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Decoder/Demultiplexer  
- **Number of Channels:** 2  
- **Input Lines per Decoder:** 2  
- **Output Lines per Decoder:** 4  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **High-Level Input Voltage (VIH):** 2V (min)  
- **Low-Level Input Voltage (VIL):** 0.8V (max)  
- **High-Level Output Current (IOH):** -8mA  
- **Low-Level Output Current (IOL):** 8mA  
- **Propagation Delay:** 11ns (typical) at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16  

### **Descriptions:**  
The SN74AHCT139DR decodes two binary inputs (A0, A1) into four mutually exclusive outputs (Y0-Y3), controlled by an active-low enable input (E). It can function as a 1-of-4 decoder or demultiplexer.  

### **Features:**  
- **Dual 2-to-4 Line Decoder/Demultiplexer**  
- **CMOS-Compatible Inputs**  
- **Low Power Consumption**  
- **Balanced Propagation Delays**  
- **ESD Protection Exceeds 2000V (HBM)**  
- **Wide Operating Voltage Range (4.5V to 5.5V)**  
- **Schmitt-Trigger Inputs for Noise Immunity**  

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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