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SN74AHCT138RGYR from TI,Texas Instruments

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SN74AHCT138RGYR

Manufacturer: TI

3-Line to 8-Line Decoder / Demultiplexer

Partnumber Manufacturer Quantity Availability
SN74AHCT138RGYR TI 33 In Stock

Description and Introduction

3-Line to 8-Line Decoder / Demultiplexer The SN74AHCT138RGYR is a 3-to-8 line decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type**: Decoder/Demultiplexer  
- **Number of Input Lines**: 3 (A0, A1, A2)  
- **Number of Output Lines**: 8 (active-low outputs Y0-Y7)  
- **Supply Voltage Range**: 4.5V to 5.5V  
- **Operating Temperature Range**: -40°C to +85°C  
- **Propagation Delay**: 12 ns (typical)  
- **Input Current (Max)**: ±1 µA  
- **Output Current (Max)**: ±8 mA  
- **Package Type**: VQFN-16 (RGY)  

### **Descriptions:**  
The SN74AHCT138RGYR is designed to decode 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) to simplify cascading and reduce the need for external gates.  

### **Features:**  
- **Low Power Consumption**: CMOS technology  
- **High Noise Immunity**: Typical of AHCT logic  
- **Multiple Enable Inputs**: G1 (active-high), G2A and G2B (active-low)  
- **Wide Operating Voltage**: Compatible with TTL levels  
- **Balanced Propagation Delays**: Ensures stable performance  

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

Application Scenarios & Design Considerations

3-Line to 8-Line Decoder / Demultiplexer

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