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TC74ACT138FT from TOSHIBA

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TC74ACT138FT

Manufacturer: TOSHIBA, TOS

CMOS Digital Integrated Circuit Silicon Monolithic 3-to-8 Line Decoder

Partnumber Manufacturer Quantity Availability
TC74ACT138FT TOSHIBA, TOS 2158 In Stock

Description and Introduction

CMOS Digital Integrated Circuit Silicon Monolithic 3-to-8 Line Decoder The TC74ACT138FT is a high-speed CMOS 3-to-8 line decoder/demultiplexer manufactured by Toshiba.  

### **Specifications:**  
- **Logic Family:** ACT (Advanced CMOS Technology)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **High-Speed Operation:** 4.5 ns (max) at 5V  
- **Low Power Consumption:** 4 μA (max) at 5V  
- **Output Current:** ±24 mA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TSSOP-16  

### **Descriptions:**  
- The TC74ACT138FT decodes three binary address inputs (A0, A1, A2) into one of eight mutually exclusive outputs (Y0-Y7).  
- It features three enable inputs (two active LOW and one active HIGH) for flexible control.  
- Designed for high-speed operation while maintaining low power consumption.  

### **Features:**  
- **3-to-8 Line Decoder/Demultiplexer**  
- **Three Enable Inputs:** Two active LOW (E1, E2) and one active HIGH (E3)  
- **CMOS Technology:** Ensures low power dissipation  
- **Balanced Propagation Delays**  
- **Pin and Function Compatible with 74ACT138**  
- **Latch-Up Performance:** Exceeds 300 mA  

This device is commonly used in memory addressing, data routing, and signal demultiplexing applications.

Application Scenarios & Design Considerations

CMOS Digital Integrated Circuit Silicon Monolithic 3-to-8 Line Decoder

Alternative Part Number

  • SN74ACT138PWR --: Direct functional equivalent 3-to-8 line decoder/demultiplexer in the ACT logic family, widely available in TSSOP package.
  • MC74ACT138DTR2G --: Pin-compatible ACT-family 3-to-8 decoder with similar propagation delay and drive characteristics, available in TSSOP.
  • 74ACT138MTCX --: Industry-standard 74ACT138 decoder in TSSOP, drop-in compatible with the original FT suffix package and logic function.
  • 74ACT138SCX --: Standard 74ACT138 decoder in SOIC/TSSOP, same logic function and ACT speed family, suitable drop-in replacement.

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