STMicroelectronics
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
74LVX245MTR
Lihat Butiran Helaian data

74LVX245MTR

Product Overview

Category

The 74LVX245MTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a bidirectional voltage level translator and buffer.

Characteristics

  • Voltage Level Translation: The 74LVX245MTR can translate signals from one voltage level to another, making it suitable for interfacing between devices operating at different voltage levels.
  • Bidirectional Operation: It supports bidirectional data transfer, allowing data to be transmitted in both directions.
  • High-Speed Operation: This IC operates at high speeds, enabling efficient data transmission.
  • Low Power Consumption: It is designed to consume low power, making it suitable for battery-powered applications.
  • ESD Protection: The 74LVX245MTR offers built-in electrostatic discharge (ESD) protection, safeguarding against damage caused by static electricity.

Package

The 74LVX245MTR is available in a small outline transistor (SOT) package.

Essence

The essence of the 74LVX245MTR lies in its ability to facilitate voltage level translation and buffering, ensuring seamless communication between devices operating at different voltage levels.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Input Voltage Range: GND to VCC
  • Output Voltage Range: GND to VCC
  • Maximum Operating Frequency: X MHz
  • Number of Channels: 8
  • Input/Output Type: Tri-State

Detailed Pin Configuration

The 74LVX245MTR has a total of 20 pins, which are assigned specific functions:

  1. A1: Channel A, Input 1
  2. A2: Channel A, Input 2
  3. A3: Channel A, Input 3
  4. A4: Channel A, Input 4
  5. A5: Channel A, Input 5
  6. A6: Channel A, Input 6
  7. A7: Channel A, Input 7
  8. A8: Channel A, Input 8
  9. GND: Ground
  10. B1: Channel B, Input 1
  11. B2: Channel B, Input 2
  12. B3: Channel B, Input 3
  13. B4: Channel B, Input 4
  14. B5: Channel B, Input 5
  15. B6: Channel B, Input 6
  16. B7: Channel B, Input 7
  17. B8: Channel B, Input 8
  18. OE: Output Enable
  19. VCC: Power Supply
  20. DIR: Direction Control

Functional Features

  • Bidirectional Voltage Level Translation: The 74LVX245MTR allows for bidirectional translation of voltage levels between two devices.
  • Tri-State Outputs: The IC features tri-state outputs, enabling the control of data flow.
  • High-Speed Operation: It operates at high speeds, facilitating efficient data transfer.
  • ESD Protection: Built-in electrostatic discharge protection safeguards against damage caused by static electricity.

Advantages and Disadvantages

Advantages

  • Efficient voltage level translation between devices operating at different voltage levels.
  • Bidirectional data transfer capability.
  • High-speed operation for quick data transmission.
  • Low power consumption, suitable for battery-powered applications.
  • Built-in ESD protection for enhanced reliability.

Disadvantages

  • Limited number of channels (8 in total).
  • Requires careful consideration of voltage compatibility between devices.

Working Principles

The 74LVX245MTR works by receiving input signals from one device and translating them to the appropriate voltage level for another device. It utilizes internal circuitry to ensure bidirectional data transfer, allowing seamless communication between devices operating at different voltage levels. The direction control pin (DIR) determines the direction of data flow, while the output enable pin (OE) controls the tri-state outputs.

Detailed Application Field Plans

The 74LVX245MTR finds applications in various fields, including:

  1. Microcontroller Interfacing: It enables communication between microcontrollers operating at different voltage levels.
  2. Sensor Networks: The IC facilitates voltage level translation in sensor networks, ensuring compatibility between sensors and control units.
  3. Industrial Automation: It is used in industrial automation systems to interface between different components operating at different voltage levels.
  4. Consumer Electronics: The IC is employed in consumer electronic devices to enable communication between subsystems with varying voltage requirements.

Detailed and Complete Alternative Models

  1. SN74LVC245A: This IC offers similar functionality to the 74LVX245MTR and is

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 74LVX245MTR dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of 74LVX245MTR in technical solutions:

  1. Q: What is the 74LVX245MTR? A: The 74LVX245MTR is a 8-bit transceiver IC (Integrated Circuit) that can be used for bidirectional data transfer between two buses.

  2. Q: What is the voltage range supported by the 74LVX245MTR? A: The 74LVX245MTR supports a voltage range of 2V to 5.5V, making it compatible with both TTL and CMOS logic levels.

  3. Q: Can the 74LVX245MTR handle high-speed data transfer? A: Yes, the 74LVX245MTR is designed for high-speed operation and can handle data rates up to several hundred megahertz.

  4. Q: How many channels does the 74LVX245MTR have? A: The 74LVX245MTR has 8 bidirectional channels, allowing for simultaneous data transfer in both directions.

  5. Q: Is the 74LVX245MTR suitable for level shifting applications? A: Yes, the 74LVX245MTR can be used for level shifting as it supports different voltage levels on its input and output sides.

  6. Q: Can I use the 74LVX245MTR to interface between different logic families? A: Yes, the 74LVX245MTR can be used to interface between different logic families, such as TTL and CMOS.

  7. Q: Does the 74LVX245MTR have any built-in protection features? A: Yes, the 74LVX245MTR has built-in ESD (Electrostatic Discharge) protection to prevent damage from static electricity.

  8. Q: What is the maximum current that the 74LVX245MTR can source or sink? A: The 74LVX245MTR can source or sink up to 24mA of current per channel, making it suitable for driving LEDs and other low-power devices.

  9. Q: Can I use the 74LVX245MTR in a bus arbitration system? A: Yes, the 74LVX245MTR can be used in bus arbitration systems to control data flow between multiple devices.

  10. Q: Are there any specific layout considerations when using the 74LVX245MTR? A: Yes, it is recommended to follow proper PCB layout guidelines to minimize noise and ensure signal integrity when using the 74LVX245MTR.

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