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MC74LCX07DR2
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MC74LCX07DR2

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Converter
  • Characteristics: High-speed, low-voltage, non-inverting buffer/line driver
  • Package: SOIC-14
  • Essence: Logic level shifting and signal buffering
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 1.65V to 5.5V
  • Logic Family: LCX
  • Number of Channels: 6
  • Input Type: CMOS/TTL
  • Output Type: CMOS
  • Propagation Delay: 3.8ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LCX07DR2 has a total of 14 pins arranged as follows:

__ __ 1 |1 \__/ 14| VCC 2 |2 13| A1 3 |3 12| Y1 4 |4 11| A2 5 |5 MC 10| Y2 6 |6 74 9| A3 7 |7 LCX 8| Y3 |________|

Functional Features

  • Non-inverting buffer/line driver with high-speed operation
  • Wide supply voltage range allows compatibility with various logic families
  • Provides logic level shifting between different voltage domains
  • Low power consumption
  • Schmitt trigger inputs for noise immunity
  • ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient signal transmission
  • Wide supply voltage range allows for versatile applications
  • Logic level shifting capability facilitates interfacing between different voltage domains
  • Low power consumption helps in reducing overall system energy requirements
  • Schmitt trigger inputs provide noise immunity, ensuring reliable operation
  • ESD protection safeguards the IC from electrostatic discharge damage

Disadvantages

  • Limited number of channels (6) may not be sufficient for complex systems requiring more connections
  • The SOIC-14 package may not be suitable for space-constrained applications

Working Principles

The MC74LCX07DR2 is a non-inverting buffer/line driver that operates as a logic level converter. It accepts CMOS or TTL input signals and provides CMOS output signals with logic level shifting capabilities. The device utilizes a combination of MOSFETs and transistors to achieve high-speed operation and low power consumption.

When an input signal is applied, the internal circuitry amplifies and buffers the signal, ensuring clean and accurate transmission to the output. The logic level shifting feature allows seamless interfacing between different voltage domains, enabling compatibility between various logic families.

Detailed Application Field Plans

The MC74LCX07DR2 finds applications in various fields where logic level shifting and signal buffering are required. Some specific application areas include:

  1. Microcontrollers: Facilitating communication between microcontrollers operating at different voltage levels.
  2. Sensor Interfaces: Converting sensor output signals to compatible levels for further processing.
  3. Communication Systems: Enabling signal translation between different communication protocols.
  4. Industrial Automation: Interfacing between control systems and peripheral devices with varying voltage requirements.
  5. Embedded Systems: Providing level shifting capabilities for interfacing with external components.

Detailed and Complete Alternative Models

  1. SN74LVC07A: Similar functionality, available in different package options (TSSOP, PDIP).
  2. 74HC07: Non-inverting buffer/line driver with logic level shifting capabilities, compatible with TTL inputs.
  3. CD4507: Hex buffer/converter with high-voltage capability, suitable for applications requiring higher voltage levels.

(Note: This list is not exhaustive and other alternative models may exist in the market.)

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MC74LCX07DR2 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MC74LCX07DR2 in technical solutions:

  1. Q: What is MC74LCX07DR2? A: MC74LCX07DR2 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 MC74LCX07DR2? A: The operating voltage range of MC74LCX07DR2 is typically between 2.0V and 3.6V.

  3. Q: Can MC74LCX07DR2 be used for bidirectional level shifting? A: No, MC74LCX07DR2 is unidirectional and can only shift signals from a lower voltage to a higher voltage.

  4. Q: What is the maximum output current of MC74LCX07DR2? A: The maximum output current of MC74LCX07DR2 is typically around 24mA.

  5. Q: Can MC74LCX07DR2 be used for voltage translation between different logic families? A: Yes, MC74LCX07DR2 can be used for voltage translation between different logic families, such as translating between TTL and CMOS levels.

  6. Q: Does MC74LCX07DR2 have internal pull-up resistors? A: No, MC74LCX07DR2 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 MC74LCX07DR2? A: The propagation delay of MC74LCX07DR2 is typically around 3.5ns.

  8. Q: Can MC74LCX07DR2 be used for level shifting between different voltage domains? A: Yes, MC74LCX07DR2 can be used for level shifting between different voltage domains, as long as the voltage levels are within its operating range.

  9. Q: Is MC74LCX07DR2 suitable for high-speed applications? A: MC74LCX07DR2 is not specifically designed for high-speed applications, but it can be used in moderate-speed digital circuits.

  10. Q: Can MC74LCX07DR2 be used for bus buffering and driving capacitive loads? A: Yes, MC74LCX07DR2 can be used for bus buffering and driving capacitive loads, but care should be taken to ensure proper signal integrity and timing.