ON Semiconductor
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MM74HC240WMX
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MM74HC240WMX

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Gate Buffer/Driver
  • Characteristics: High-Speed, CMOS Technology
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Buffering and driving signals in digital circuits
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to Vcc
  • Output Voltage: 0V to Vcc
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: 9 ns (typical)
  • Output Current: ±6 mA
  • Input Capacitance: 3.5 pF
  • Output Capacitance: 8 pF

Pin Configuration

The MM74HC240WMX has a total of 20 pins arranged as follows:

  1. GND (Ground)
  2. A1 (Input A1)
  3. B1 (Input B1)
  4. Y1 (Output Y1)
  5. A2 (Input A2)
  6. B2 (Input B2)
  7. Y2 (Output Y2)
  8. GND (Ground)
  9. Y3 (Output Y3)
  10. B3 (Input B3)
  11. A3 (Input A3)
  12. GND (Ground)
  13. Y4 (Output Y4)
  14. B4 (Input B4)
  15. A4 (Input A4)
  16. Vcc (Positive Power Supply)
  17. OE (Output Enable)
  18. GND (Ground)
  19. Y5 (Output Y5)
  20. A5 (Input A5)

Functional Features

  • High-Speed CMOS technology allows for fast signal processing.
  • Buffering and driving capabilities ensure reliable signal transmission.
  • Wide operating voltage range (2V to 6V) provides flexibility in various applications.
  • Output enable pin (OE) allows for easy control of the output state.
  • Low power consumption makes it suitable for battery-powered devices.

Advantages

  • Fast propagation delay ensures quick response time in digital circuits.
  • High noise immunity due to CMOS technology.
  • Wide operating voltage range allows for compatibility with different systems.
  • Compact SOIC package saves board space.
  • Low power consumption extends battery life in portable devices.

Disadvantages

  • Limited output current may restrict its use in high-current applications.
  • Input and output capacitance can affect signal integrity in high-frequency circuits.
  • Not suitable for high-temperature environments beyond the specified operating range.

Working Principles

The MM74HC240WMX is a logic gate buffer/driver that operates based on CMOS technology. It receives input signals from the A1-A5 and B1-B4 pins, buffers them internally, and drives the output signals through the Y1-Y5 pins. The output enable (OE) pin controls the output state, allowing the user to enable or disable the outputs as needed. The IC operates within a specified voltage range and provides reliable signal buffering and driving capabilities.

Detailed Application Field Plans

The MM74HC240WMX is commonly used in various digital systems and applications, including:

  1. Microcontrollers and microprocessors
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics
  6. Robotics and control systems
  7. Signal amplification and level shifting
  8. Memory address decoding

Alternative Models

If the MM74HC240WMX is not available or does not meet specific requirements, alternative models that provide similar functionality include:

  1. SN74HC240N by Texas Instruments
  2. CD74HC240E by Texas Instruments
  3. 74HCT240 by NXP Semiconductors
  4. MC74HC240AN by ON Semiconductor

These alternative models offer comparable features and can be used as substitutes in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MM74HC240WMX v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MM74HC240WMX in technical solutions:

  1. Question: What is MM74HC240WMX?
    - Answer: MM74HC240WMX is a specific model of octal buffer/line driver integrated circuit (IC) that can be used in various technical solutions.

  2. Question: What is the purpose of MM74HC240WMX?
    - Answer: The purpose of MM74HC240WMX is to provide buffering and line driving capabilities for digital signals in electronic circuits.

  3. Question: What voltage levels does MM74HC240WMX support?
    - Answer: MM74HC240WMX supports voltage levels ranging from 2V to 6V, making it compatible with a wide range of digital systems.

  4. Question: How many channels does MM74HC240WMX have?
    - Answer: MM74HC240WMX has 8 channels, allowing it to handle multiple digital signals simultaneously.

  5. Question: Can MM74HC240WMX be used for bidirectional communication?
    - Answer: Yes, MM74HC240WMX supports bidirectional communication, making it suitable for applications where data needs to be transmitted and received on the same lines.

  6. Question: What is the maximum output current of MM74HC240WMX?
    - Answer: The maximum output current of MM74HC240WMX is typically around 35mA, which is sufficient for most digital logic applications.

  7. Question: Is MM74HC240WMX compatible with TTL logic levels?
    - Answer: Yes, MM74HC240WMX is compatible with both CMOS and TTL logic levels, making it versatile for interfacing with different types of digital circuits.

  8. Question: Can MM74HC240WMX handle high-speed signals?
    - Answer: Yes, MM74HC240WMX is designed to operate at high speeds, with typical propagation delays in the nanosecond range.

  9. Question: Does MM74HC240WMX have any built-in protection features?
    - Answer: Yes, MM74HC240WMX has built-in ESD protection on all inputs and outputs, helping to safeguard against electrostatic discharge.

  10. Question: What package does MM74HC240WMX come in?
    - Answer: MM74HC240WMX is available in a 20-pin wide SOIC (Small Outline Integrated Circuit) package, which is commonly used in electronic applications.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of MM74HC240WMX.