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SN74LV138ADR from TI,Texas Instruments

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SN74LV138ADR

Manufacturer: TI

3-Line To 8-Line Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
SN74LV138ADR TI 17 In Stock

Description and Introduction

3-Line To 8-Line Decoders/Demultiplexers **Manufacturer:** Texas Instruments (TI)  

**Part Number:** SN74LV138ADR  

### **Specifications:**  
- **Logic Type:** Decoder/Demultiplexer  
- **Technology Family:** LV (Low-Voltage CMOS)  
- **Number of Channels:** 1  
- **Number of Inputs:** 3 (A0, A1, A2)  
- **Number of Outputs:** 8 (Y0-Y7, active-low)  
- **Supply Voltage Range:** 2 V to 5.5 V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-16  
- **Propagation Delay Time (Max):** 11.5 ns at 5V  
- **Input Type:** CMOS  
- **Output Type:** Push-Pull  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The SN74LV138ADR is a 3-to-8 line decoder/demultiplexer designed for 2-V to 5.5-V VCC operation. It accepts three binary-weighted inputs (A0, A1, A2) and provides eight mutually exclusive active-low 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-Voltage Operation:** Supports 2 V to 5.5 V  
- **High Noise Immunity:** CMOS technology  
- **Low Power Consumption:** Optimized for battery-powered applications  
- **Fast Switching Speed:** Suitable for high-speed decoding  
- **Multiple Enable Inputs:** Simplifies cascading (G1, G2A, G2B)  
- **ESD Protection:** Exceeds 2000 V per JESD 22  

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

Application Scenarios & Design Considerations

3-Line To 8-Line Decoders/Demultiplexers

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