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SN74HCT138PW from TI,Texas Instruments

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SN74HCT138PW

Manufacturer: TI

3-Line To 8-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74HCT138PW TI 12 In Stock

Description and Introduction

3-Line To 8-Line Decoders/Demultiplexers The SN74HCT138PW 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 (Y0-Y7, active low)  
- **Supply Voltage Range**: 4.5V to 5.5V  
- **High-Level Input Voltage (Min)**: 2V  
- **Low-Level Input Voltage (Max)**: 0.8V  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package Type**: TSSOP-16  
- **Propagation Delay (Max)**: 32 ns at 5V  
- **Current - Output High, Low**: 4mA, 4mA  
- **Mounting Type**: Surface Mount  

### **Descriptions:**  
The SN74HCT138PW 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, one active high) to simplify cascading and reduce the need for external gates.  

### **Features:**  
- **High-Speed CMOS Logic**  
- **Low Power Consumption**  
- **Schmitt-Trigger Inputs for Noise Immunity**  
- **Multiple Enable Inputs for Expansion**  
- **Wide Operating Voltage Range (4.5V to 5.5V)**  
- **Compatible with TTL Inputs**  
- **ESD Protection Exceeds 2000V (HBM)**  

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

Application Scenarios & Design Considerations

3-Line To 8-Line Decoders/Demultiplexers

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