Texas Instruments
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
SN74LVTH2245DW
vedi dettagli Schede tecniche

SN74LVTH2245DW

Product Overview

Category

SN74LVTH2245DW belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a bidirectional voltage level translator and bus transceiver.

Characteristics

  • Voltage Level Translation: SN74LVTH2245DW can translate signals from one voltage level to another, making it suitable for interfacing between devices operating at different voltage levels.
  • Bidirectional Communication: It supports bidirectional data transfer, allowing data to be transmitted in both directions.
  • High-Speed Operation: The IC operates at high speeds, enabling efficient data transmission.
  • Low Power Consumption: SN74LVTH2245DW is designed to consume low power, making it energy-efficient.
  • ESD Protection: It provides Electrostatic Discharge (ESD) protection, safeguarding the circuit against damage caused by static electricity.

Package

SN74LVTH2245DW is available in a standard 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74LVTH2245DW lies in its ability to facilitate voltage level translation and bidirectional communication, making it an essential component in various electronic systems.

Packaging/Quantity

SN74LVTH2245DW is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer and supplier.

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
  • Number of Channels: 8
  • Logic Family: LVTH

Detailed Pin Configuration

  1. OE (Output Enable) 1
  2. A1 (Data Input/Output) 1
  3. B1 (Data Input/Output) 1
  4. GND (Ground)
  5. B2 (Data Input/Output) 2
  6. A2 (Data Input/Output) 2
  7. OE (Output Enable) 2
  8. VCC (Supply Voltage)
  9. B3 (Data Input/Output) 3
  10. A3 (Data Input/Output) 3
  11. OE (Output Enable) 3
  12. DIR (Direction Control)
  13. B4 (Data Input/Output) 4
  14. A4 (Data Input/Output) 4
  15. OE (Output Enable) 4
  16. VCC (Supply Voltage)
  17. A5 (Data Input/Output) 5
  18. B5 (Data Input/Output) 5
  19. OE (Output Enable) 5
  20. GND (Ground)

Functional Features

  • Bidirectional Voltage Level Translation: SN74LVTH2245DW can translate signals between two voltage levels bidirectionally, allowing seamless communication between devices operating at different voltage levels.
  • Direction Control: The DIR pin controls the direction of data flow, enabling flexible data transmission.
  • Output Enable: The OE pins enable or disable the outputs, providing control over the data transmission.

Advantages and Disadvantages

Advantages

  • Efficient Voltage Level Translation: SN74LVTH2245DW ensures accurate and reliable voltage level translation, minimizing signal distortion.
  • High-Speed Operation: It supports high-speed data transfer, making it suitable for time-critical applications.
  • Low Power Consumption: The IC consumes low power, contributing to energy efficiency in electronic systems.
  • ESD Protection: It provides protection against Electrostatic Discharge, enhancing the reliability and lifespan of the circuit.

Disadvantages

  • Limited Channel Count: SN74LVTH2245DW has a maximum of 8 channels, which may be insufficient for applications requiring a higher number of channels.
  • Not Suitable for High-Voltage Applications: It is designed for low-voltage applications and may not be suitable for high-voltage environments.

Working Principles

SN74LVTH2245DW operates based on the principles of voltage level translation and bidirectional data transfer. When the DIR pin is set to a specific logic level, the IC determines the direction of data flow. The OE pins control the enable/disable state of the outputs, allowing selective data transmission.

Detailed Application Field Plans

SN74LVTH2245DW finds applications in various fields, including:

  1. Communication Systems: It facilitates voltage level translation between different communication protocols, enabling seamless data exchange.
  2. Industrial Automation: The IC is used in industrial automation systems to interface between devices operating at different voltage levels.
  3. Automotive Electronics: SN74LVTH2245DW is employed in automotive electronics for voltage level translation and bus transceiver functions.
  4. Consumer Electronics: It is utilized in consumer electronic devices to enable communication between components operating

10 domande e risposte comuni relative all'applicazione di SN74LVTH2245DW nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of SN74LVTH2245DW:

  1. Q: What is SN74LVTH2245DW? A: SN74LVTH2245DW is a 16-bit bus transceiver with 3-state outputs, designed for low-voltage (2.7V to 3.6V) applications.

  2. Q: What is the purpose of SN74LVTH2245DW? A: SN74LVTH2245DW is used to enable bidirectional level translation between two voltage domains in digital systems.

  3. Q: What is the maximum data rate supported by SN74LVTH2245DW? A: SN74LVTH2245DW supports a maximum data rate of 200 MHz.

  4. Q: Can SN74LVTH2245DW be used for voltage level shifting between different logic families? A: Yes, SN74LVTH2245DW can be used for voltage level shifting between different logic families, such as TTL and CMOS.

  5. Q: What is the output drive strength of SN74LVTH2245DW? A: SN74LVTH2245DW has a typical output drive strength of ±12 mA.

  6. Q: Does SN74LVTH2245DW have built-in ESD protection? A: Yes, SN74LVTH2245DW has built-in ESD protection on all pins, making it more robust against electrostatic discharge.

  7. Q: Can SN74LVTH2245DW be used in hot-swapping applications? A: Yes, SN74LVTH2245DW supports hot-swapping, allowing for safe insertion and removal of the device while the system is powered.

  8. Q: What is the power supply voltage range for SN74LVTH2245DW? A: SN74LVTH2245DW operates with a power supply voltage range of 2.7V to 3.6V.

  9. Q: Does SN74LVTH2245DW have internal pull-up or pull-down resistors? A: No, SN74LVTH2245DW does not have internal pull-up or pull-down resistors. External resistors may be required for proper operation.

  10. Q: Can SN74LVTH2245DW be used in high-speed data transmission applications? A: Yes, SN74LVTH2245DW can be used in high-speed data transmission applications, thanks to its fast propagation delay and low skew characteristics.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.