ON Semiconductor
Hình ảnh có thể mang tính chất minh họa.
Xem thông số kỹ thuật để biết chi tiết sản phẩm.
MC74LCX07DG
Xem chi tiết DataSheets

MC74LCX07DG

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Gate Buffer/Driver
  • Characteristics:
    • Low-voltage CMOS technology
    • High-speed operation
    • Wide operating voltage range
    • Schmitt trigger inputs for noise immunity
  • 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 Range: 2.0V to 3.6V
  • Input Voltage Range: GND to VCC
  • Output Voltage Range: GND to VCC
  • Maximum Input Current: ±10mA
  • Maximum Output Current: ±24mA
  • Propagation Delay Time: 4.5ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LCX07DG has a total of 14 pins, which are assigned as follows:

  1. A1: Input A1
  2. Y1: Output Y1
  3. A2: Input A2
  4. Y2: Output Y2
  5. A3: Input A3
  6. Y3: Output Y3
  7. GND: Ground
  8. Y4: Output Y4
  9. A4: Input A4
  10. Y5: Output Y5
  11. A5: Input A5
  12. Y6: Output Y6
  13. VCC: Power Supply
  14. NC: No Connection

Functional Features

  • The MC74LCX07DG is a hex buffer/driver with open-drain outputs.
  • It provides buffering and driving capabilities for digital signals.
  • The Schmitt trigger inputs ensure high noise immunity and reliable operation.
  • The low-voltage CMOS technology allows for compatibility with a wide range of digital systems.
  • High-speed operation enables efficient signal transmission in time-critical applications.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows for flexibility in various applications. - Schmitt trigger inputs provide noise immunity, ensuring reliable signal processing. - High-speed operation enables efficient data transmission. - Small package size (SOIC) makes it suitable for space-constrained designs.

Disadvantages: - Limited output current may not be sufficient for driving certain loads. - Not suitable for high-voltage applications due to the low-voltage CMOS technology.

Working Principles

The MC74LCX07DG operates by receiving digital input signals on its input pins (A1-A5). These signals are buffered and amplified by internal circuitry. The open-drain outputs (Y1-Y6) can sink current when pulled low, allowing for connection to other devices or circuits. The Schmitt trigger inputs ensure that the input signals are properly interpreted, even in the presence of noise or signal fluctuations.

Detailed Application Field Plans

The MC74LCX07DG is commonly used in various digital applications, including but not limited to: - Level shifting in mixed-voltage systems - Signal buffering in microcontrollers and microprocessors - Driving LEDs and other low-power devices - Communication interfaces (I2C, SPI, etc.) - Sensor interfacing and signal conditioning

Detailed and Complete Alternative Models

  • SN74LVC07A: Hex Buffer/Driver with 3-State Outputs
  • CD74HC07: Hex Buffer/Driver with Open-Collector Outputs
  • 74HCT07: Hex Buffer/Driver with TTL Inputs and Open-Drain Outputs
  • MC74ACT07: Hex Buffer/Driver with TTL Inputs and 3-State Outputs

These alternative models offer similar functionality and can be used as substitutes for the MC74LCX07DG in various applications.

Word count: 411 words

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MC74LCX07DG trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of MC74LCX07DG in technical solutions:

  1. Q: What is MC74LCX07DG? A: MC74LCX07DG is a hex buffer with open-drain outputs, commonly used for level shifting and signal buffering in digital circuits.

  2. Q: What is the operating voltage range of MC74LCX07DG? A: The operating voltage range of MC74LCX07DG is typically between 2.0V and 3.6V.

  3. Q: Can MC74LCX07DG be used for bidirectional level shifting? A: No, MC74LCX07DG is unidirectional and can only shift signals from a lower voltage level to a higher voltage level.

  4. Q: What is the maximum output current of MC74LCX07DG? A: The maximum output current of MC74LCX07DG is typically around 24mA.

  5. Q: Can MC74LCX07DG be used for voltage translation between different logic families? A: Yes, MC74LCX07DG can be used for voltage translation between different logic families, such as translating between TTL and CMOS levels.

  6. Q: Does MC74LCX07DG have internal pull-up resistors? A: No, MC74LCX07DG does not have internal pull-up resistors. External pull-up resistors may be required depending on the application.

  7. Q: What is the propagation delay of MC74LCX07DG? A: The propagation delay of MC74LCX07DG is typically around 4.5ns.

  8. Q: Can MC74LCX07DG drive capacitive loads? A: Yes, MC74LCX07DG can drive capacitive loads up to a certain limit. It is recommended to refer to the datasheet for specific details.

  9. Q: Is MC74LCX07DG tolerant to overvoltage conditions? A: MC74LCX07DG has limited tolerance to overvoltage conditions. It is advisable to ensure that the input voltage does not exceed the specified maximum ratings.

  10. Q: Can MC74LCX07DG be used in high-speed applications? A: Yes, MC74LCX07DG can be used in high-speed applications as it has a relatively fast propagation delay and can operate at higher frequencies.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the manufacturer's datasheet for accurate and detailed information.