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SN54HC138J from TI,Texas Instruments

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SN54HC138J

Manufacturer: TI

3-Line To 8-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN54HC138J TI 6358 In Stock

Description and Introduction

3-Line To 8-Line Decoders/Demultiplexers The SN54HC138J is a high-speed CMOS (Complementary Metal-Oxide Semiconductor) 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:** 2V to 6V  
- **Operating Temperature Range:** -55°C to +125°C (Military grade)  
- **Propagation Delay:** Typically 17 ns at 5V  
- **Current Consumption:** Low power consumption (CMOS technology)  
- **Output Drive Capability:** 10 LSTTL loads  
- **Package Type:** Ceramic DIP (Dual In-line Package)  

### **Descriptions and Features:**  
- **Functionality:** Decodes three binary address inputs (A0, A1, A2) into one of eight mutually exclusive active-low outputs (Y0-Y7).  
- **Enable Inputs:** Includes three enable inputs (G1, G2A, G2B) for cascading or control.  
- **High Noise Immunity:** CMOS technology ensures high noise resistance.  
- **Wide Operating Voltage:** Supports 2V to 6V operation.  
- **Applications:** Used in memory addressing, data routing, and digital logic systems.  
- **Military-Grade:** Designed for harsh environments with extended temperature range.  

This device is part of TI’s HC (High-Speed CMOS) logic family, offering a balance of speed and power efficiency.

Application Scenarios & Design Considerations

3-Line To 8-Line Decoders/Demultiplexers

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