Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
74LVCH8T245DWRG4
Ver Detalle Hojas de datos

74LVCH8T245DWRG4

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: High-speed, low-power, bidirectional voltage level translation
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Transfers data between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Data Rate: 400 Mbps
  • Number of Channels: 8
  • Input/Output Type: Tri-State

Detailed Pin Configuration

The 74LVCH8T245DWRG4 has a total of 20 pins. The pin configuration is as follows:

___________ OE -| |- VCC A1 -| |- B1 A2 -| |- B2 A3 -| |- B3 A4 -| |- B4 A5 -| |- B5 A6 -| |- B6 A7 -| |- B7 GND -| |- B8 -| |- A8 DIR -| |- OE# B1 -| |- A1 B2 -| |- A2 B3 -| |- A3 B4 -| |- A4 B5 -| |- A5 B6 -| |- A6 B7 -| |- A7 B8 -| |- GND -----------

Functional Features

  • Bidirectional voltage level translation between two voltage domains
  • Automatic direction control based on DIR pin
  • Tri-State outputs for bus sharing

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - Wide supply voltage range - Easy to use with automatic direction control

Disadvantages: - Limited maximum data rate compared to some other ICs - Requires careful consideration of voltage compatibility

Working Principles

The 74LVCH8T245DWRG4 is designed to facilitate the transfer of data between two voltage domains. It uses a bidirectional level shifter circuitry to translate signals from one voltage level to another. The DIR pin controls the direction of data flow, while the OE# pin enables or disables the outputs. The tri-state outputs allow multiple devices to share the same bus.

Detailed Application Field Plans

The 74LVCH8T245DWRG4 is commonly used in various applications where there is a need to interface between different voltage domains. Some typical application fields include: - Communication systems - Industrial automation - Consumer electronics - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

  • SN74LVC8T245PW: Similar functionality, different package (TSSOP)
  • MC74VHC245DW: Similar functionality, different technology (VHC)

These alternative models provide similar voltage level shifting capabilities but may have variations in package type, technology, or other specifications.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 74LVCH8T245DWRG4 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of 74LVCH8T245DWRG4 in technical solutions:

  1. Q: What is the 74LVCH8T245DWRG4? A: The 74LVCH8T245DWRG4 is a high-speed octal bus transceiver with 3-state outputs, designed for asynchronous communication between two data buses.

  2. Q: What is the voltage range supported by the 74LVCH8T245DWRG4? A: The 74LVCH8T245DWRG4 supports a wide voltage range from 1.65V to 5.5V, making it compatible with various logic families.

  3. Q: How many channels does the 74LVCH8T245DWRG4 have? A: The 74LVCH8T245DWRG4 has 8 bidirectional channels, allowing for simultaneous transmission and reception of data.

  4. Q: What is the maximum data transfer rate of the 74LVCH8T245DWRG4? A: The 74LVCH8T245DWRG4 can operate at a maximum data transfer rate of 400 Mbps, making it suitable for high-speed applications.

  5. Q: Can the 74LVCH8T245DWRG4 handle level shifting between different voltage domains? A: Yes, the 74LVCH8T245DWRG4 can perform level shifting between different voltage domains, enabling communication between devices operating at different voltages.

  6. Q: Does the 74LVCH8T245DWRG4 support hot-swapping of devices? A: Yes, the 74LVCH8T245DWRG4 supports hot-swapping, allowing for the insertion and removal of devices without disrupting the operation of the system.

  7. Q: What is the power supply voltage required for the 74LVCH8T245DWRG4? A: The 74LVCH8T245DWRG4 requires a power supply voltage between 1.65V and 5.5V, depending on the desired logic level compatibility.

  8. Q: Can the 74LVCH8T245DWRG4 be used in both parallel and serial communication systems? A: Yes, the 74LVCH8T245DWRG4 can be used in both parallel and serial communication systems, providing flexibility in various applications.

  9. Q: Does the 74LVCH8T245DWRG4 have built-in ESD protection? A: Yes, the 74LVCH8T245DWRG4 has built-in ESD protection, ensuring robustness against electrostatic discharge events.

  10. Q: What package options are available for the 74LVCH8T245DWRG4? A: The 74LVCH8T245DWRG4 is available in a wide range of package options, including SOIC, TSSOP, and VQFN, allowing for easy integration into different PCB layouts.

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