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SN74LS240DWR from TI,Texas Instruments

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SN74LS240DWR

Manufacturer: TI

Octal buffers and line drivers

Partnumber Manufacturer Quantity Availability
SN74LS240DWR TI 72916 In Stock

Description and Introduction

Octal buffers and line drivers ### Manufacturer: Texas Instruments (TI)  

### Part Number: SN74LS240DWR  

### Specifications:  
- **Logic Family**: LS (Low-Power Schottky)  
- **Logic Type**: Inverting Buffer/Line Driver  
- **Number of Channels**: 8  
- **Output Type**: 3-State  
- **Supply Voltage (VCC)**: 4.75V to 5.25V  
- **Operating Temperature Range**: 0°C to 70°C  
- **Propagation Delay Time**: 15ns (max) at 5V  
- **Output Current (High/Low)**: -15mA / 24mA  
- **Package / Case**: SOIC-20 (DWR)  
- **Mounting Type**: Surface Mount  

### Descriptions:  
The SN74LS240DWR is an octal buffer and line driver with 3-state outputs. It is designed to drive high-capacitance loads with improved speed and power efficiency. The outputs are inverted and can be placed in a high-impedance state, allowing for bus-oriented applications.  

### Features:  
- **Octal Inverting Buffer/Driver**  
- **3-State Outputs** for bus interfacing  
- **High Output Drive** (-15mA/24mA)  
- **Low Power Consumption** (LS technology)  
- **Wide Operating Voltage Range** (4.75V to 5.25V)  
- **Balanced Propagation Delays**  
- **ESD Protection** on all inputs and outputs  
- **SOIC-20 Package** for surface-mount applications  

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

Application Scenarios & Design Considerations

Octal buffers and line drivers

Alternative Part Number

  • DM74LS240WM --: Same LS240 octal buffer/line driver function with inverted outputs, SOIC-20 wide body package, direct pin-compatible replacement.
  • 74LS240PC --: Identical LS240 logic function from the same manufacturer, DIP-20 package option for through-hole applications.
  • MC74LS240DWR2 --: Equivalent LS240 octal buffer with 3-state inverted outputs in SOIC-20 wide package, suitable drop-in alternative.

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