ON Semiconductor
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
MC74VHC244MELG
Ver Detalle Hojas de datos

MC74VHC244MELG

Product Overview

  • Category: Integrated Circuit
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, low-power, non-inverting
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Logic Level Shifter
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.0V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 200MHz
  • Propagation Delay: 3.8ns (typical)
  • Output Drive Capability: ±24mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74VHC244MELG has a total of 20 pins arranged in a dual-inline package (DIP). The pin configuration is as follows:

  1. A1
  2. Y1
  3. A2
  4. Y2
  5. A3
  6. Y3
  7. A4
  8. GND
  9. Y4
  10. A5
  11. Y5
  12. A6
  13. Y6
  14. A7
  15. VCC
  16. Y7
  17. A8
  18. Y8
  19. OE
  20. GND

Functional Features

  • Non-inverting buffer with 3-state outputs
  • High-speed operation suitable for various applications
  • Low power consumption for energy-efficient designs
  • Wide supply voltage range allows compatibility with different systems
  • 3.8ns propagation delay ensures fast signal transmission
  • ±24mA output drive capability enables driving of capacitive loads

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide supply voltage range - 3-state outputs for bus-oriented applications

Disadvantages: - Limited output drive capability - Not suitable for high-current applications

Working Principles

The MC74VHC244MELG is a logic level shifter that acts as a buffer/line driver. It takes input signals and amplifies them to higher voltage levels, allowing them to drive loads with different voltage requirements. The non-inverting nature of the device ensures that the output signal follows the input signal without any phase inversion.

Detailed Application Field Plans

The MC74VHC244MELG finds applications in various fields, including:

  1. Microcontroller interfacing: It can be used to interface microcontrollers with other devices operating at different voltage levels.
  2. Communication systems: It is suitable for level shifting in communication systems where different components operate at different voltage levels.
  3. Industrial automation: The device can be utilized in industrial automation systems for signal buffering and level translation.
  4. Automotive electronics: It finds application in automotive electronics for driving various loads and interfacing different subsystems.

Detailed and Complete Alternative Models

  1. SN74LVC244A: Low-voltage CMOS Octal Buffer/Line Driver
  2. CD74HCT244: High-Speed CMOS Logic Octal Buffer/Line Driver
  3. 74HC244: High-Speed CMOS Logic Octal Buffer/Line Driver

These alternative models offer similar functionality and can be used as replacements for the MC74VHC244MELG in various applications.

Word count: 346 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MC74VHC244MELG en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MC74VHC244MELG:

  1. Q: What is MC74VHC244MELG? A: MC74VHC244MELG is a high-speed octal buffer/line driver with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the operating voltage range for MC74VHC244MELG? A: The operating voltage range for MC74VHC244MELG is typically between 2.0V and 5.5V.

  3. Q: What is the maximum output current that MC74VHC244MELG can drive? A: MC74VHC244MELG can drive up to 8mA of output current per channel.

  4. Q: Can MC74VHC244MELG be used as a level shifter? A: Yes, MC74VHC244MELG can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many input/output channels does MC74VHC244MELG have? A: MC74VHC244MELG has 8 input channels and 8 output channels.

  6. Q: What is the propagation delay of MC74VHC244MELG? A: The propagation delay of MC74VHC244MELG is typically around 5 nanoseconds.

  7. Q: Can MC74VHC244MELG be used in high-speed applications? A: Yes, MC74VHC244MELG is designed for high-speed operation and can be used in various high-frequency applications.

  8. Q: Is MC74VHC244MELG compatible with TTL logic levels? A: Yes, MC74VHC244MELG is compatible with both TTL and CMOS logic levels.

  9. Q: Can MC74VHC244MELG be used in bidirectional data transfer applications? A: No, MC74VHC244MELG is a unidirectional buffer and cannot be used for bidirectional data transfer.

  10. Q: What is the package type of MC74VHC244MELG? A: MC74VHC244MELG is available in a small-outline IC (SOIC) package.

Please note that these answers are general and may vary depending on the specific application and datasheet of MC74VHC244MELG.