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IDT74FCT139SO from IDT

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IDT74FCT139SO

Manufacturer: IDT

FAST CMOS DUAL 1-OF-4 DECODER WITH ENABLE

Partnumber Manufacturer Quantity Availability
IDT74FCT139SO IDT 70 In Stock

Description and Introduction

FAST CMOS DUAL 1-OF-4 DECODER WITH ENABLE The IDT74FCT139SO is a dual 2-to-4 line decoder/demultiplexer manufactured by Integrated Device Technology (IDT).  

### **Specifications:**  
- **Logic Family:** FCT (Fast CMOS TTL-Compatible)  
- **Package Type:** SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage:** 5V  
- **High-Speed Operation:** Typical propagation delay of 4.5ns  
- **Low Power Consumption:** CMOS technology ensures low power dissipation  
- **TTL-Compatible Inputs and Outputs:** Ensures compatibility with TTL logic levels  
- **Output Drive Capability:** 24mA sink/source current  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- **Dual Decoder/Demultiplexer:** Contains two independent 2-to-4 decoders in a single package.  
- **Active-Low Outputs:** Each decoder features four active-low outputs.  
- **Enable Inputs:** Each decoder has an active-low enable input for easy cascading.  
- **Applications:** Used in memory decoding, data routing, and address decoding in digital systems.  
- **High Noise Immunity:** CMOS design provides high noise margin.  
- **Pin-Compatible:** Drop-in replacement for industry-standard 74-series decoders.  

This device is designed for high-performance digital systems requiring fast signal decoding and demultiplexing.

Application Scenarios & Design Considerations

FAST CMOS DUAL 1-OF-4 DECODER WITH ENABLE

Alternative Part Number

  • CY74FCT139ATSOC --: Same FCT 139 dual decoder function in SOIC package with comparable speed and pinout, from a vendor with FCT logic heritage.
  • 74FCT139ASC --: Pin-compatible FCT 139 dual 2-to-4 decoder in SOIC, widely available and functionally equivalent to the IDT part.
  • MC74F139DR2 --: Fast TTL-compatible dual 1-of-4 decoder in SOIC package, suitable drop-in replacement for the FCT139 function.

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