ON Semiconductor
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MC74LCX240DTR2G
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MC74LCX240DTR2G

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Gate
  • Characteristics: Low-Voltage CMOS Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
  • Package: TSSOP-20
  • Essence: The MC74LCX240DTR2G is a high-performance octal buffer/line driver designed for low-voltage applications.
  • Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Supply Voltage: 1.65V to 3.6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 4.5ns (typical)
  • Output Drive Capability: ±24mA

Detailed Pin Configuration

The MC74LCX240DTR2G has a TSSOP-20 package with the following pin configuration:

__ __ A1 | 1 20 | VCC A2 | 2 19 | OE# B1 | 3 18 | I/O1 B2 | 4 17 | I/O2 C1 | 5 16 | I/O3 C2 | 6 15 | I/O4 D1 | 7 14 | GND D2 | 8 13 | I/O5 E1 | 9 12 | I/O6 E2 |10 11 | I/O7 ‾‾ ‾‾

Functional Features

  • Octal buffer/line driver with 3-state outputs.
  • Inputs and outputs are 5V tolerant, allowing direct interface with TTL or CMOS logic levels.
  • Low-voltage operation makes it suitable for battery-powered devices.
  • High-speed operation with low propagation delay.
  • Output drive capability allows driving of capacitive loads.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - 5V tolerance on inputs and outputs provides flexibility in interfacing with different logic levels. - Low power consumption. - High-speed operation enhances overall system performance.

Disadvantages: - Limited output drive capability compared to some other buffer/line driver ICs. - Not suitable for high-voltage applications.

Working Principles

The MC74LCX240DTR2G operates as an octal buffer/line driver. It takes input signals and amplifies them to provide higher current drive capability for the connected loads. The 3-state outputs allow the device to be effectively disconnected from the bus when not in use, preventing any interference or contention.

Detailed Application Field Plans

The MC74LCX240DTR2G is commonly used in various digital systems where buffering and line driving functions are required. Some typical application fields include:

  1. Microcontrollers and microprocessors
  2. Communication systems
  3. Data storage devices
  4. Industrial automation
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. SN74LVC240A: Octal Buffer/Line Driver with 3-State Outputs
  2. CD74HCT240: High-Speed CMOS Logic Octal Buffer/Line Driver
  3. 74HC240: Octal Inverting Buffer/Line Driver with 3-State Outputs
  4. MC74ACT240: Octal Buffer/Line Driver with 3-State Outputs

These alternative models offer similar functionality and can be considered as substitutes for the MC74LCX240DTR2G in different applications.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של MC74LCX240DTR2G בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of MC74LCX240DTR2G in technical solutions:

  1. Q: What is MC74LCX240DTR2G? A: MC74LCX240DTR2G is a low-voltage CMOS octal buffer/line driver with 3-state outputs.

  2. Q: What is the operating voltage range for MC74LCX240DTR2G? A: The operating voltage range for MC74LCX240DTR2G is 1.65V to 5.5V.

  3. Q: What is the maximum output current that MC74LCX240DTR2G can drive? A: MC74LCX240DTR2G can drive up to 24mA of output current.

  4. Q: Can MC74LCX240DTR2G be used as a level shifter? A: Yes, MC74LCX240DTR2G can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many inputs and outputs does MC74LCX240DTR2G have? A: MC74LCX240DTR2G has 8 inputs and 8 outputs.

  6. Q: What is the propagation delay of MC74LCX240DTR2G? A: The propagation delay of MC74LCX240DTR2G is typically 4.5ns.

  7. Q: Can MC74LCX240DTR2G be used in high-speed applications? A: Yes, MC74LCX240DTR2G is suitable for high-speed applications due to its low propagation delay.

  8. Q: Does MC74LCX240DTR2G have internal pull-up or pull-down resistors? A: No, MC74LCX240DTR2G does not have internal pull-up or pull-down resistors.

  9. Q: Can MC74LCX240DTR2G be used in bidirectional applications? A: Yes, MC74LCX240DTR2G can be used in bidirectional applications as it has 3-state outputs.

  10. Q: What is the package type for MC74LCX240DTR2G? A: MC74LCX240DTR2G is available in a TSSOP-20 package.

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