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SN74HCT139D from TI,Texas Instruments

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SN74HCT139D

Manufacturer: TI

Dual 2-Line To 4-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74HCT139D TI 50 In Stock

Description and Introduction

Dual 2-Line To 4-Line Decoders/Demultiplexers The SN74HCT139D 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:** SOIC-16  
- **Propagation Delay (Max):** 30 ns at 5V  
- **Current - Output High, Low:** 4mA, 4mA  
- **Mounting Type:** Surface Mount  

### **Descriptions and Features:**  
- **Function:** Decodes two binary inputs (A0, A1) into four mutually exclusive outputs (Y0-Y3).  
- **Active-Low Outputs:** Outputs are active low (enabled when low).  
- **Enable Inputs:** Each decoder has an active-low enable (E) input for control.  
- **Demultiplexing Capability:** Can be used as a 1-to-4 demultiplexer when E is used as the data input.  
- **High-Speed CMOS Logic:** Combines HCT speed with low power consumption.  
- **Wide Operating Voltage:** Compatible with TTL levels (5V operation).  
- **Applications:** Address decoding, memory selection, and data routing in digital systems.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual 2-Line To 4-Line Decoders/Demultiplexers

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