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SN74ALS138ADR from TI,Texas Instruments

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SN74ALS138ADR

Manufacturer: TI

3-Line to 8-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74ALS138ADR TI 2500 In Stock

Description and Introduction

3-Line to 8-Line Decoders/Demultiplexers The SN74ALS138ADR is a 3-line to 8-line decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Decoder/Demultiplexer  
- **Number of Input Lines:** 3  
- **Number of Output Lines:** 8  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** SOIC-16  
- **Output Type:** Active Low  
- **Propagation Delay Time:** Typically 12ns  
- **Current - Output High, Low:** 2.6mA, 24mA  

### **Descriptions:**  
The SN74ALS138ADR is designed to accept three binary-coded inputs and provide eight mutually exclusive active-low outputs. It features three enable inputs (two active-low and one active-high) to simplify cascading and reduce the need for external gates.  

### **Features:**  
- Decodes 3 binary inputs to 8 outputs  
- Active-low outputs for easy interfacing  
- Multiple enable inputs for expansion control  
- Low power consumption  
- High noise immunity  
- TTL-compatible inputs  

This device is commonly used in memory address decoding and data routing applications.

Application Scenarios & Design Considerations

3-Line to 8-Line Decoders/Demultiplexers

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