Viz Specifikace pro podrobnosti o produktu.
Encyclopedia Entry: 74VHC244MTR
Product Overview
Category
The 74VHC244MTR belongs to the category of integrated circuits (ICs) and specifically falls under the family of VHC logic gates.
Use
This IC 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 74VHC244MTR operates at a voltage range of 2.0V to 5.5V, making it suitable for various applications.
- High-Speed Operation: With propagation delays as low as 4.3 ns, this IC ensures efficient signal transmission.
- Output Drive Capability: It can drive up to 10 LSTTL loads, making it ideal for driving multiple devices simultaneously.
- 3-State Outputs: The 74VHC244MTR features three-state outputs, allowing for easy control of bus lines.
Package
This IC is available in a TSSOP-20 package, which stands for Thin Shrink Small Outline Package. This package offers a compact form factor and facilitates easy integration onto circuit boards.
Essence
The essence of the 74VHC244MTR lies in its ability to provide high-speed signal buffering and amplification while maintaining compatibility with a wide range of voltage levels.
Packaging/Quantity
The 74VHC244MTR is typically packaged in reels containing 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
- Operating Temperature Range: -40°C to +125°C
- Maximum Propagation Delay: 4.3 ns
- Maximum Output Current: ±8 mA
Detailed Pin Configuration
The 74VHC244MTR features a total of 20 pins, which are assigned specific functions as follows:
- A1 - Input A1
- Y1 - Output Y1
- A2 - Input A2
- Y2 - Output Y2
- GND - Ground
- A3 - Input A3
- Y3 - Output Y3
- A4 - Input A4
- Y4 - Output Y4
- VCC - Supply Voltage
- OE - Output Enable
- Y5 - Output Y5
- A5 - Input A5
- Y6 - Output Y6
- A6 - Input A6
- Y7 - Output Y7
- A7 - Input A7
- Y8 - Output Y8
- GND - Ground
- A8 - Input A8
Functional Features
- Non-Inverting Buffer: The 74VHC244MTR provides non-inverting buffering, ensuring that the output signal matches the input signal.
- High-Speed Operation: With low propagation delays, this IC enables fast and efficient signal transmission.
- 3-State Outputs: The three-state outputs allow for easy control of bus lines, enabling multiple devices to share the same communication lines without interference.
Advantages and Disadvantages
Advantages
- Wide voltage compatibility range allows for versatile use in various applications.
- High-speed operation ensures efficient signal transmission.
- 3-state outputs facilitate easy control of bus lines.
Disadvantages
- Limited output current capability may restrict its use in certain high-current applications.
- TSSOP-20 package may require careful handling during soldering due to its small size.
Working Principles
The 74VHC244MTR operates based on the principles of digital logic. It receives input signals and amplifies them while maintaining their integrity. The non-inverting nature of the buffer ensures that the output signal matches the input signal, allowing for seamless signal transmission.
Detailed Application Field Plans
The 74VHC244MTR finds applications in various fields, including but not limited to: - Microcontroller-based systems - Data communication interfaces - Industrial automation - Automotive electronics - Consumer electronics
Its ability to provide signal buffering and level shifting makes it suitable for use in these fields where reliable and efficient signal transmission is crucial.
Detailed and Complete Alternative Models
There are several alternative models available that offer similar functionality to the 74VHC244MTR. Some notable alternatives include: - SN74LVC244A: Low-voltage CMOS octal buffer/line driver - CD74HCT244: High-speed CMOS octal buffer/line driver - MC74VHC1G07: Single buffer with open-drain output
These alternatives can be considered based on specific application requirements and compatibility with existing circuitry.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74VHC244MTR v technických řešeních
Sure! Here are 10 common questions and answers related to the application of 74VHC244MTR in technical solutions:
Q: What is the 74VHC244MTR? A: The 74VHC244MTR is a high-speed octal buffer/line driver integrated circuit (IC) that can be used to amplify or buffer digital signals.
Q: What is the voltage supply range for the 74VHC244MTR? A: The 74VHC244MTR operates with a voltage supply range of 2.0V to 5.5V.
Q: How many channels does the 74VHC244MTR have? A: The 74VHC244MTR has 8 channels, making it an octal buffer/line driver.
Q: What is the maximum output current of the 74VHC244MTR? A: The 74VHC244MTR can source or sink up to 8mA of current per channel.
Q: Can the 74VHC244MTR handle bidirectional communication? A: Yes, the 74VHC244MTR supports bidirectional communication by using its direction control pin.
Q: What is the typical propagation delay of the 74VHC244MTR? A: The typical propagation delay of the 74VHC244MTR is around 4.5ns.
Q: Is the 74VHC244MTR compatible with TTL logic levels? A: Yes, the 74VHC244MTR is compatible with both TTL and CMOS logic levels.
Q: Can the 74VHC244MTR be used in high-speed applications? A: Yes, the 74VHC244MTR is designed for high-speed operation and can be used in applications with fast switching requirements.
Q: Does the 74VHC244MTR have built-in protection features? A: Yes, the 74VHC244MTR has built-in ESD protection to safeguard against electrostatic discharge.
Q: What package does the 74VHC244MTR come in? A: The 74VHC244MTR is available in a TSSOP-20 package, which is a small surface-mount package with 20 pins.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of the 74VHC244MTR.