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SN74AHCT540DWR from TI,Texas Instruments

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SN74AHCT540DWR

Manufacturer: TI

Octal Buffers/Drivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74AHCT540DWR TI 1298 In Stock

Description and Introduction

Octal Buffers/Drivers With 3-State Outputs **Manufacturer:** Texas Instruments (TI)  

**Part Number:** SN74AHCT540DWR  

### **Specifications:**  
- **Logic Type:** Buffer/Line Driver  
- **Number of Channels:** 8  
- **Input Type:** CMOS  
- **Output Type:** CMOS  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **High-Level Input Voltage (VIH):** 2V (min)  
- **Low-Level Input Voltage (VIL):** 0.8V (max)  
- **High-Level Output Voltage (VOH):** 4.4V (min) @ IOH = -8mA  
- **Low-Level Output Voltage (VOL):** 0.1V (max) @ IOL = 8mA  
- **Propagation Delay Time (tpd):** 10.5ns (max) @ 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC (DWR)  
- **Pin Count:** 20  

### **Description:**  
The SN74AHCT540DWR is an octal buffer/line driver with 3-state outputs. It is designed for 5V operation and features high-speed performance with low power consumption. The outputs can be disabled using the output-enable (OE) input, allowing for bus-oriented applications.  

### **Features:**  
- **Octal Buffer/Line Driver with 3-State Outputs**  
- **5V Operation (4.5V to 5.5V Supply Range)**  
- **High-Current Outputs (Up to 8mA)**  
- **Balanced Propagation Delays**  
- **Low Power Consumption**  
- **ESD Protection Exceeds 2000V (HBM)**  
- **Wide Operating Temperature Range (-40°C to +85°C)**  
- **SOIC-20 Package for Space Efficiency**  

This device is commonly used in digital systems for signal buffering, level shifting, and bus driving applications.

Application Scenarios & Design Considerations

Octal Buffers/Drivers With 3-State Outputs

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