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TC74HCT138 from TOS,TOSHIBA

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TC74HCT138

Manufacturer: TOS

3-TO-8 LINE DECODER

Partnumber Manufacturer Quantity Availability
TC74HCT138 TOS 260 In Stock

Description and Introduction

3-TO-8 LINE DECODER The TC74HCT138 is a high-speed CMOS logic decoder/demultiplexer manufactured by Toshiba.  

### **Specifications:**  
- **Logic Type:** 3-to-8 Line Decoder/Demultiplexer  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **High-Speed Operation:** tpd = 18 ns (typical) at VCC = 5V  
- **Low Power Consumption:** ICC = 4 μA (max) at Ta = 25°C  
- **Input Compatibility:** TTL (5V tolerant)  
- **Output Current:** ±4 mA (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** SOP-16, TSSOP-16  

### **Descriptions:**  
The TC74HCT138 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 cascading and control.  

### **Features:**  
- **3-to-8 Line Decoding:** Converts 3-bit binary input to 8-line output.  
- **Demultiplexing Capability:** Can function as a 1-to-8 demultiplexer.  
- **TTL-Compatible Inputs:** Works with 5V TTL logic levels.  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **Wide Operating Voltage:** Supports standard 5V logic systems.  
- **High Noise Immunity:** CMOS technology ensures stable operation.  

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

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