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MN74HC240 from PANASONIC

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MN74HC240

Manufacturer: PANASONIC, PAN

Microcomputers Application-Specific Standard-Product ICs

Partnumber Manufacturer Quantity Availability
MN74HC240 PANASONIC, PAN 34 In Stock

Description and Introduction

Microcomputers Application-Specific Standard-Product ICs **Introduction to the MN74HC240 Electronic Component**  

The MN74HC240 is a high-speed CMOS logic device belonging to the 74HC series, widely recognized for its reliability and performance in digital circuits. This integrated circuit (IC) functions as an octal buffer and line driver with 3-state outputs, making it particularly useful for bus-oriented applications where signal buffering and isolation are required.  

Designed with eight inverting buffers, the MN74HC240 features two independent enable inputs (active-low OE1 and OE2), each controlling four buffers. This allows for flexible operation, enabling or disabling outputs as needed to prevent bus contention. The device operates within a supply voltage range of 2V to 6V, ensuring compatibility with both 5V and lower-voltage systems while maintaining high noise immunity.  

Key characteristics of the MN74HC240 include its high-speed operation, low power consumption, and robust output drive capability. With typical propagation delays of just a few nanoseconds, it is well-suited for high-frequency digital systems. Additionally, its 3-state outputs facilitate efficient bus sharing in multi-device configurations.  

Common applications include memory interfacing, data transmission systems, and microprocessor-based designs where signal integrity and isolation are critical. Engineers and designers favor the MN74HC240 for its balance of speed, power efficiency, and ease of integration into existing circuit architectures.  

As a standard logic component, the MN74HC240 remains a dependable choice for digital design, offering consistent performance across a variety of industrial and consumer electronics applications.

Application Scenarios & Design Considerations

Microcomputers Application-Specific Standard-Product ICs

Alternative Part Number

  • SN74HC240N --: Industry-standard 74HC240 octal buffer/inverter in DIP, pin-compatible and widely available as a direct functional replacement.
  • CD74HC240E --: Harris/Intersil-lineage 74HC240 with identical logic function and pinout, suitable drop-in substitute.
  • MC74HC240AN --: Motorola-lineage 74HC240 octal buffer with matching pinout and electrical characteristics, good second-source option.

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