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MC74LVX245DWR2

MC74LVX245DWR2

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter/Transceiver
  • Characteristics: High-speed, low-voltage, bidirectional communication
  • Package: SOIC-20
  • Essence: Logic level translation and signal amplification
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 1.65V to 5.5V
  • Logic Family: LVX
  • Number of Channels: 8
  • Input/Output Type: CMOS/TTL compatible
  • Propagation Delay: 4.3 ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LVX245DWR2 has a total of 20 pins arranged as follows:

___________ OE --|1 20|-- VCC DIR --|2 19|-- GND A1 --|3 18|-- B1 A2 --|4 17|-- B2 A3 --|5 16|-- B3 A4 --|6 15|-- B4 A5 --|7 14|-- B5 A6 --|8 13|-- B6 A7 --|9 12|-- B7 A8 --|10 11|-- B8 ------------

Functional Features

  • Bidirectional voltage level shifting between two logic levels
  • Wide operating voltage range allows compatibility with various systems
  • Fast propagation delay ensures high-speed data transmission
  • CMOS/TTL compatible inputs and outputs enable easy integration with existing circuits
  • Output enable (OE) and direction control (DIR) pins provide flexibility in signal routing

Advantages and Disadvantages

Advantages: - High-speed operation facilitates efficient data transfer - Wide supply voltage range allows compatibility with different systems - Bidirectional communication simplifies circuit design - CMOS/TTL compatibility ensures easy integration

Disadvantages: - Limited number of channels (8) - Propagation delay may be a concern in time-critical applications

Working Principles

The MC74LVX245DWR2 is a level shifter/transceiver IC that enables bidirectional voltage level translation between two logic levels. It operates within a wide supply voltage range, making it suitable for various applications. The inputs and outputs are CMOS/TTL compatible, allowing seamless integration with existing circuitry. The device utilizes an output enable (OE) pin to control the direction of data flow and a direction control (DIR) pin to determine the logic level translation direction.

Detailed Application Field Plans

The MC74LVX245DWR2 finds applications in various fields, including:

  1. Embedded Systems: Used for level shifting between microcontrollers and peripheral devices.
  2. Communication Interfaces: Facilitates voltage level translation between different communication protocols, such as UART, SPI, and I2C.
  3. Industrial Automation: Enables bidirectional communication between sensors, actuators, and control systems.
  4. Consumer Electronics: Used in devices requiring logic level translation, such as smartphones, tablets, and gaming consoles.
  5. Automotive Electronics: Facilitates communication between different subsystems in vehicles, such as infotainment systems and engine control units.

Detailed and Complete Alternative Models

  1. SN74LVX245DW: Similar specifications and pin configuration, offered by Texas Instruments.
  2. 74LVC245: Bi-directional level shifter IC with similar characteristics, offered by NXP Semiconductors.
  3. CD74HCT245E: Octal bus transceiver with 3-state outputs, offered by Texas Instruments.

These alternative models provide similar functionality and can be considered as substitutes for the MC74LVX245DWR2 in various applications.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MC74LVX245DWR2 trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of MC74LVX245DWR2 in technical solutions:

  1. Q: What is MC74LVX245DWR2? A: MC74LVX245DWR2 is a voltage level translator and bus transceiver IC (integrated circuit) commonly used in digital systems.

  2. Q: What is the operating voltage range of MC74LVX245DWR2? A: The operating voltage range of MC74LVX245DWR2 is typically between 2.0V and 5.5V.

  3. Q: What is the maximum data transfer rate supported by MC74LVX245DWR2? A: MC74LVX245DWR2 supports a maximum data transfer rate of up to 100 Mbps.

  4. Q: Can MC74LVX245DWR2 be used for bidirectional data communication? A: Yes, MC74LVX245DWR2 is designed for bidirectional data communication and can be used as a transceiver.

  5. Q: How many channels does MC74LVX245DWR2 have? A: MC74LVX245DWR2 has 8 channels, allowing it to handle 8-bit data transmission.

  6. Q: What is the input/output voltage compatibility of MC74LVX245DWR2? A: MC74LVX245DWR2 is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) voltage levels.

  7. Q: Can MC74LVX245DWR2 be used in mixed-voltage level systems? A: Yes, MC74LVX245DWR2 can be used in mixed-voltage level systems as it provides voltage level translation between different logic levels.

  8. Q: What is the maximum current that MC74LVX245DWR2 can source/sink? A: MC74LVX245DWR2 can typically source or sink up to 24 mA of current per channel.

  9. Q: Does MC74LVX245DWR2 have any built-in protection features? A: Yes, MC74LVX245DWR2 has built-in ESD (Electrostatic Discharge) protection diodes to safeguard against electrostatic damage.

  10. Q: What package does MC74LVX245DWR2 come in? A: MC74LVX245DWR2 is available in a 20-pin SOIC (Small Outline Integrated Circuit) package.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for MC74LVX245DWR2.