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SN74AHCT139D from TI,Texas Instruments

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SN74AHCT139D

Manufacturer: TI

Dual 2-Line To 4-Line Decoders / Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74AHCT139D TI 5 In Stock

Description and Introduction

Dual 2-Line To 4-Line Decoders / Demultiplexers The SN74AHCT139D 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 Level:** TTL-Compatible CMOS  
- **Output Level:** CMOS  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Propagation Delay Time:** 10 ns (typical)  
- **Package Type:** SOIC-16  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The SN74AHCT139D decodes two binary-weighted address inputs (A0, A1) to four mutually exclusive outputs (Y0-Y3). It features two independent decoders, each with an active-low enable input (E).  

### **Features:**  
- **Dual 2-to-4 Line Decoding:** Two independent decoders in one package.  
- **Low Power Consumption:** Optimized for battery-operated applications.  
- **TTL-Compatible Inputs:** Works with 5V TTL logic levels.  
- **High Noise Immunity:** Typical CMOS noise margin.  
- **Balanced Propagation Delays:** Ensures stable performance.  
- **ESD Protection:** Exceeds 2000V per JESD 22.  

This device is commonly used in memory addressing, data routing, and logic function generation.

Application Scenarios & Design Considerations

Dual 2-Line To 4-Line Decoders / Demultiplexers

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