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SN74AHCT138PW from TI,Texas Instruments

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SN74AHCT138PW

Manufacturer: TI

3-Line to 8-Line Decoder / Demultiplexer

Partnumber Manufacturer Quantity Availability
SN74AHCT138PW TI 42 In Stock

Description and Introduction

3-Line to 8-Line Decoder / Demultiplexer The SN74AHCT138PW 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)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **High-Level Input Voltage (VIH):** 2V (min)  
- **Low-Level Input Voltage (VIL):** 0.8V (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TSSOP-16 (PW)  
- **Propagation Delay:** 10.5 ns (typical) at 5V  
- **Output Current:** ±8 mA  
- **Technology:** Advanced High-Speed CMOS (AHCT)  

### **Descriptions:**  
The SN74AHCT138PW 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 their active states for the device to operate.  

### **Features:**  
- **Low Power Consumption:** CMOS technology ensures low power dissipation.  
- **High Noise Immunity:** Typical noise margin of 1V at 5V.  
- **Wide Operating Voltage:** Compatible with 5V systems.  
- **Fast Switching Speed:** Optimized for high-speed applications.  
- **Multiple Enable Inputs:** Allows for easy expansion.  
- **ESD Protection:** Exceeds 2000V per JESD 22.  

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

Application Scenarios & Design Considerations

3-Line to 8-Line Decoder / Demultiplexer

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