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SN74ALS240A-1NSR from TI,Texas Instruments

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SN74ALS240A-1NSR

Manufacturer: TI, TEXAS

Octal Buffers/Drivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ALS240A-1NSR,SN74ALS240A1NSR TI, TEXAS 2670 In Stock

Description and Introduction

Octal Buffers/Drivers With 3-State Outputs The SN74ALS240A-1NSR is a part manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** SN74ALS240A-1NSR  
- **Technology Family:** ALS (Advanced Low-Power Schottky)  
- **Logic Type:** Octal Buffer/Line Driver  
- **Output Type:** 3-State Inverting  
- **Number of Channels:** 8  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** SOIC-20  
- **Mounting Type:** Surface Mount  
- **Propagation Delay Time:** 8 ns (typical)  
- **High-Level Output Current:** -15 mA  
- **Low-Level Output Current:** 24 mA  
- **Input Capacitance:** 3 pF (typical)  

### **Descriptions:**
The SN74ALS240A-1NSR is an octal buffer and line driver with 3-state outputs. It is designed to provide high-speed, low-power operation and is commonly used in bus-oriented applications. The inverting outputs allow for signal inversion when driving data lines.

### **Features:**
- **3-State Outputs:** Allows for bus-oriented applications with high impedance when disabled.  
- **Inverting Logic:** Provides inverted outputs for signal processing.  
- **High Drive Capability:** Supports up to 24 mA low-level output current.  
- **Low Power Consumption:** ALS technology ensures reduced power usage compared to standard TTL.  
- **Wide Operating Voltage:** Operates within a 4.5V to 5.5V range.  
- **ESD Protection:** Features built-in electrostatic discharge (ESD) protection.  
- **Surface-Mount Package:** SOIC-20 package for compact PCB designs.  

This information is strictly factual and sourced from Ic-phoenix technical data files.

Application Scenarios & Design Considerations

Octal Buffers/Drivers With 3-State Outputs

Alternative Part Number

  • 74ALS240A --: Same ALS octal inverting buffer/driver function with equivalent speed and drive, available from a different vendor for second-sourcing.
  • SN74ALS240AN --: Same ALS240A die in a standard PDIP package, useful when the SOIC NS package is not required.
  • MC74ACT240ADWR2 --: ACT octal inverting buffer with TTL-compatible inputs and similar drive, a functional cross when ALS sourcing is limited.
  • 74ALS240ADWR --: Same ALS octal buffer/driver function with inverted outputs, wide-body SOIC package, direct functional equivalent.
  • MC74ACT240DWR2G --: Octal buffer/line driver with 3-state outputs, ACT logic family offers similar speed and TTL-compatible inputs.
  • SN74HC240DWR --: Pin-compatible octal buffer/driver with 3-state inverted outputs; HC family is a common lower-power substitute when speed is not critical.

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