ON Semiconductor
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
74VHCT244AMTC
vedi dettagli Schede tecniche

Encyclopedia Entry: 74VHCT244AMTC

Product Overview

Category

The 74VHCT244AMTC belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic gates.

Use

This product is commonly used in digital electronics for signal amplification, buffering, and level shifting purposes. It serves as a non-inverting octal buffer/line driver with 3-state outputs.

Characteristics

  • Voltage Compatibility: The 74VHCT244AMTC operates at a voltage range of 2.0V to 5.5V, making it suitable for various applications.
  • High-Speed Operation: With a typical propagation delay of only a few nanoseconds, this IC ensures efficient signal transmission.
  • 3-State Outputs: The 74VHCT244AMTC features three-state outputs, allowing multiple devices to share a common bus without interference.
  • Low Power Consumption: This IC is designed to consume minimal power, making it energy-efficient.

Package and Quantity

The 74VHCT244AMTC is available in a small outline surface mount package (TSSOP-20). It is typically sold in reels or tubes containing a quantity of 250 units per package.

Specifications

  • Supply Voltage Range: 2.0V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 100MHz
  • Input Capacitance: 3pF (typical)
  • Output Capacitance: 6pF (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74VHCT244AMTC has a total of 20 pins, which are assigned specific functions as follows:

  1. Pin 1: Output Enable (OE)
  2. Pin 2: Input/Output (IO1)
  3. Pin 3: Input/Output (IO2)
  4. Pin 4: Input/Output (IO3)
  5. Pin 5: Input/Output (IO4)
  6. Pin 6: Input/Output (IO5)
  7. Pin 7: Input/Output (IO6)
  8. Pin 8: Ground (GND)
  9. Pin 9: Input/Output (IO7)
  10. Pin 10: Input/Output (IO8)
  11. Pin 11: Output (Y1)
  12. Pin 12: Output (Y2)
  13. Pin 13: Output (Y3)
  14. Pin 14: Output (Y4)
  15. Pin 15: Output (Y5)
  16. Pin 16: Output (Y6)
  17. Pin 17: Output (Y7)
  18. Pin 18: Output (Y8)
  19. Pin 19: VCC
  20. Pin 20: Output Enable (OE)

Functional Features

The 74VHCT244AMTC offers the following functional features:

  • Non-Inverting Buffer: It provides a non-inverting buffer function, ensuring that the output signal matches the input signal.
  • High-Speed Operation: With a maximum operating frequency of 100MHz, this IC enables rapid signal transmission.
  • 3-State Outputs: The three-state outputs allow for easy bus sharing and prevent signal interference.
  • Wide Voltage Compatibility: The IC can operate within a voltage range of 2.0V to 5.5V, making it versatile for various applications.

Advantages and Disadvantages

Advantages

  • Low power consumption ensures energy efficiency.
  • High-speed operation facilitates fast signal transmission.
  • Three-state outputs enable efficient bus sharing.
  • Wide voltage compatibility allows for versatile applications.

Disadvantages

  • Limited number of input/output channels (8 in total).
  • May not be suitable for applications requiring a higher operating frequency.

Working Principles

The 74VHCT244AMTC operates based on the principles of digital logic gates. It receives input signals and amplifies them while maintaining their non-inverted nature. The IC's internal circuitry ensures efficient signal transmission with minimal delay. The three-state outputs allow multiple devices to share a common bus without interfering with each other.

Detailed Application Field Plans

The 74VHCT244AMTC finds application in various fields, including:

  1. Microcontroller Interfacing: It can be used to interface microcontrollers with external devices, such as sensors, actuators, or displays.
  2. Data Communication: This IC is suitable for buffering and level shifting signals in data communication systems, ensuring reliable data transmission.
  3. Industrial Automation: It can be employed in industrial automation systems for signal amplification and buffering purposes.
  4. Automotive Electronics: The 74VHCT244AMTC can be utilized in automotive electronics for

10 domande e risposte comuni relative all'applicazione di 74VHCT244AMTC nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of 74VHCT244AMTC in technical solutions:

  1. Q: What is the 74VHCT244AMTC? A: The 74VHCT244AMTC is a high-speed octal buffer/line driver with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range of the 74VHCT244AMTC? A: The operating voltage range is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current of the 74VHCT244AMTC? A: The maximum output current is typically around 8mA.

  4. Q: Can the 74VHCT244AMTC be used for level shifting signals? A: Yes, the 74VHCT244AMTC can be used for level shifting as it supports both TTL and CMOS logic levels.

  5. Q: How many inputs and outputs does the 74VHCT244AMTC have? A: The 74VHCT244AMTC has 8 inputs and 8 outputs.

  6. Q: What is the purpose of the 3-state outputs in the 74VHCT244AMTC? A: The 3-state outputs allow multiple devices to share a common bus without interfering with each other.

  7. Q: Can the 74VHCT244AMTC be used for bidirectional communication? A: No, the 74VHCT244AMTC is unidirectional and can only drive signals in one direction.

  8. Q: What is the typical propagation delay of the 74VHCT244AMTC? A: The typical propagation delay is around 6 ns.

  9. Q: Can the 74VHCT244AMTC be used in high-speed applications? A: Yes, the 74VHCT244AMTC is designed for high-speed operation and can be used in such applications.

  10. Q: Are there any specific precautions to consider when using the 74VHCT244AMTC? A: It is important to ensure that the power supply voltage does not exceed the specified range and to follow proper decoupling guidelines to minimize noise and voltage spikes.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications of the 74VHCT244AMTC.