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SN74LS138 from TI,Texas Instruments

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SN74LS138

Manufacturer: TI

LOW POWER SCHOTTKY

Partnumber Manufacturer Quantity Availability
SN74LS138 TI 1356 In Stock

Description and Introduction

LOW POWER SCHOTTKY The SN74LS138 is a 3-line to 8-line decoder/demultiplexer manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Input Current (Max):** -0.36mA (Low), 20μA (High)  
- **Output Current (Max):** 8mA (Low), -0.4mA (High)  
- **Propagation Delay (Typical):** 21ns  
- **Power Dissipation (Max):** 32mW  
- **Package Options:** PDIP, SOIC, TSSOP  

### **Descriptions:**  
The SN74LS138 decodes three binary address inputs (A0, A1, A2) into one of eight mutually exclusive outputs (Y0-Y7). It features three enable inputs (G1, G2A, G2B) that must be in the correct state (G1 high, G2A and G2B low) for the device to function.  

### **Features:**  
- **3-to-8 Line Decoding/Demultiplexing**  
- **Active-Low Outputs**  
- **Multiple Enable Inputs for Easy Expansion**  
- **Low Power Consumption**  
- **Schottky-Clamped for High Performance**  
- **Wide Operating Voltage Range**  

This device is commonly used in memory addressing, data routing, and logic function generation.

Application Scenarios & Design Considerations

LOW POWER SCHOTTKY

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