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TC74AC138FT from TOS,TOSHIBA

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TC74AC138FT

Manufacturer: TOS, TOSHIBA

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

Partnumber Manufacturer Quantity Availability
TC74AC138FT TOS, TOSHIBA 4592 In Stock

Description and Introduction

CMOS Digital Integrated Circuit Silicon Monolithic 3-to-8 Line Decoder The TC74AC138FT is a high-speed CMOS 3-to-8 line decoder/demultiplexer manufactured by Toshiba. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Supply Voltage (VCC):** 2.0V to 5.5V  
- **High-Speed Operation:** tpd = 5.0ns (typical) at 5V  
- **Low Power Consumption:** ICC = 4.0μA (max) at Ta = 25°C  
- **Output Current:** ±24mA (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TSSOP-16  

### **Descriptions:**
- The TC74AC138FT is a 3-to-8 line decoder/demultiplexer that accepts three binary-weighted inputs (A0, A1, A2) and decodes them into eight mutually exclusive outputs (Y0–Y7).  
- It features three enable inputs (two active LOW: E1, E2, and one active HIGH: E3) for flexible control.  
- The device is designed for high-speed digital systems and is compatible with TTL levels.  

### **Features:**
- **High-Speed CMOS Technology:** Ensures fast switching performance.  
- **Wide Operating Voltage Range:** Supports 2.0V to 5.5V, making it suitable for mixed-voltage systems.  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **TTL-Compatible Inputs:** Can interface with TTL logic levels.  
- **High Noise Immunity:** Stable operation in noisy environments.  
- **Multiple Enable Inputs:** Allows for cascading and easy system integration.  

This information is based on Toshiba's official datasheet for the TC74AC138FT.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • 74AC138MTC --: Same 3-to-8 line decoder/demultiplexer function in the AC logic family, TSSOP package, direct functional equivalent.
  • SN74AC138PWR --: AC-series 3-to-8 decoder with identical pinout and logic function, widely available TSSOP alternative.
  • MC74AC138DTR2G --: AC logic 3-to-8 decoder in TSSOP, same function and compatible electrical characteristics.

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