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74LVTH16245MTDX

74LVTH16245MTDX

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter/Buffer
  • Characteristics: High-speed, low-voltage, 16-bit bidirectional transceiver
  • Package: TSSOP
  • Essence: Transceiver IC for voltage level translation and buffering
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Logic Family: LVTH
  • Number of Bits: 16
  • Input Voltage Range: 1.2V to 3.6V
  • Output Voltage Range: 1.2V to 3.6V
  • Propagation Delay Time: 3.8ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LVTH16245MTDX has a total of 48 pins, which are divided into two groups: - Group A (pins 1-24): Inputs/Outputs for Port A - Group B (pins 25-48): Inputs/Outputs for Port B

Each group consists of the following pin types: - Pins 1-12 and 37-48: Data I/O (bidirectional) - Pins 13-24 and 25-36: Enable Inputs (active high)

Functional Features

  • Bidirectional data flow between Port A and Port B
  • Voltage level translation between different logic families
  • Buffering capability to drive capacitive loads
  • Schmitt-trigger inputs for noise immunity
  • 3-state outputs for bus-oriented applications
  • Power-down mode for reduced power consumption

Advantages

  • High-speed operation allows for efficient data transfer
  • Wide input/output voltage range enables compatibility with various systems
  • 3-state outputs facilitate bus sharing and reduce contention issues
  • Schmitt-trigger inputs provide robustness against noise
  • Power-down mode helps conserve power when not in use

Disadvantages

  • Limited to 16-bit data width, may not be suitable for larger data buses
  • TSSOP package may require careful handling during assembly
  • Not suitable for high-voltage applications (limited to 3.6V)

Working Principles

The 74LVTH16245MTDX is a bidirectional transceiver that translates voltage levels between two logic families. It operates by receiving data from one port and transmitting it to the other, while also providing buffering capabilities to drive capacitive loads. The device uses Schmitt-trigger inputs to ensure noise immunity and features 3-state outputs for bus-oriented applications. When not in use, the IC can enter a power-down mode to reduce power consumption.

Detailed Application Field Plans

The 74LVTH16245MTDX is commonly used in various applications, including: 1. Communication systems: Level shifting between different voltage domains in serial communication interfaces (e.g., UART, SPI, I2C). 2. Microcontroller interfacing: Connecting microcontrollers operating at different voltage levels. 3. Memory systems: Interface between memory modules and controllers with different voltage requirements. 4. Industrial automation: Signal translation and buffering in control systems. 5. Automotive electronics: Voltage level translation in automotive communication protocols (e.g., CAN, LIN).

Detailed and Complete Alternative Models

  1. SN74LVC245A: 8-bit bidirectional voltage-level translator with similar characteristics and package options.
  2. MC74LVX245: 8-bit dual-supply bus transceiver with comparable specifications and pin configuration.
  3. 74HCT245: 8-bit octal bus transceiver with higher voltage tolerance and compatible pinout.

(Note: The above alternative models are provided as examples and may have slight differences in specifications and features.)

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10個與74LVTH16245MTDX在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of 74LVTH16245MTDX in technical solutions:

  1. Q: What is the function of the 74LVTH16245MTDX? A: The 74LVTH16245MTDX is a 16-bit bus transceiver with 3-state outputs, used for bidirectional data transfer between two buses.

  2. Q: What voltage levels does the 74LVTH16245MTDX support? A: The 74LVTH16245MTDX supports operation at both 3.3V and 5V voltage levels.

  3. Q: Can I use the 74LVTH16245MTDX in high-speed applications? A: Yes, the 74LVTH16245MTDX is designed for high-speed operation, making it suitable for applications requiring fast data transfer.

  4. Q: How many channels does the 74LVTH16245MTDX have? A: The 74LVTH16245MTDX has 16 bidirectional channels, allowing for simultaneous data transfer on multiple lines.

  5. Q: Can I connect multiple 74LVTH16245MTDX devices together? A: Yes, you can connect multiple 74LVTH16245MTDX devices together to expand the number of bidirectional channels.

  6. Q: Does the 74LVTH16245MTDX have built-in protection features? A: Yes, the 74LVTH16245MTDX has built-in ESD protection, which helps safeguard against electrostatic discharge.

  7. Q: What is the maximum data rate supported by the 74LVTH16245MTDX? A: The 74LVTH16245MTDX can support data rates up to 400 Mbps, making it suitable for high-speed data transfer applications.

  8. Q: Can I use the 74LVTH16245MTDX in both parallel and serial communication systems? A: Yes, the 74LVTH16245MTDX can be used in both parallel and serial communication systems, depending on the application requirements.

  9. Q: Does the 74LVTH16245MTDX require external pull-up or pull-down resistors? A: No, the 74LVTH16245MTDX has built-in weak pull-up and pull-down resistors, eliminating the need for external components in most cases.

  10. Q: What is the power supply voltage range for the 74LVTH16245MTDX? A: The 74LVTH16245MTDX operates with a power supply voltage range of 2.7V to 3.6V, making it compatible with various power sources.

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