Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
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.

Word count: 408 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MC74LVX245DWR2 v technických řešeních

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.