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MC74LVX245DWR2G
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MC74LVX245DWR2G

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter/Transceiver
  • Characteristics: High-Speed, Low-Voltage, Bi-directional
  • Package: SOIC-20
  • Essence: Logic Level Conversion
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Logic Family: LVX
  • Number of Channels: 8
  • Supply Voltage: 1.65V to 5.5V
  • Input Voltage Levels: 0V to VCC
  • Output Voltage Levels: 0V to VCC
  • Propagation Delay Time: 4.3ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LVX245DWR2G has a total of 20 pins, which are assigned as follows:

  • Pins 1 to 8: A1 to A8 (Input/Output Channels)
  • Pins 9, 10: GND (Ground)
  • Pins 11 to 18: B1 to B8 (Input/Output Channels)
  • Pin 19: OE (Output Enable)
  • Pin 20: VCC (Supply Voltage)

Functional Features

  • Bi-directional level shifting between two voltage domains.
  • Allows interfacing between devices operating at different voltage levels.
  • Provides voltage translation for bidirectional data transfer.
  • Supports high-speed data transmission.
  • Enables efficient communication between systems with varying voltage requirements.

Advantages

  • Wide supply voltage range allows compatibility with various systems.
  • Fast propagation delay time ensures quick data transfer.
  • Bi-directional functionality simplifies circuit design.
  • Small package size saves board space.
  • Low-voltage operation reduces power consumption.

Disadvantages

  • Limited number of channels (8) may not be sufficient for complex systems.
  • Not suitable for applications requiring level shifting beyond 5.5V.
  • May require additional components for voltage regulation in certain scenarios.

Working Principles

The MC74LVX245DWR2G is a bidirectional level shifter/transceiver IC that facilitates communication between devices operating at different voltage levels. It converts logic signals from one voltage domain to another, allowing seamless data transfer. The device operates within a wide supply voltage range of 1.65V to 5.5V, making it compatible with various systems. By utilizing internal circuitry, the IC ensures fast and efficient voltage translation while maintaining signal integrity.

Detailed Application Field Plans

The MC74LVX245DWR2G finds application in numerous fields where voltage level shifting is required. Some potential areas of use include:

  1. Embedded Systems: Enables communication between microcontrollers operating at different voltage levels.
  2. Communication Interfaces: Facilitates data exchange between devices with varying voltage requirements, such as UART, SPI, or I2C interfaces.
  3. Sensor Networks: Allows interfacing between sensors and microcontrollers with different voltage domains.
  4. Industrial Automation: Enables communication between PLCs and peripheral devices operating at different voltage levels.
  5. Consumer Electronics: Used in devices like smartphones, tablets, and gaming consoles to interface between different voltage domains.

Detailed and Complete Alternative Models

  1. SN74LVC245A: Similar functionality, but operates at a lower voltage range (1.65V to 3.6V).
  2. 74HCT245: Compatible with higher voltage levels (up to 5.5V), but operates at slower speeds.
  3. CD4504B: Offers similar level shifting capabilities, but with a different pin configuration and package type.

These alternative models provide similar functionality to the MC74LVX245DWR2G and can be considered based on specific application requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MC74LVX245DWR2G dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of MC74LVX245DWR2G in technical solutions:

  1. Q: What is MC74LVX245DWR2G? A: MC74LVX245DWR2G is a voltage level translator and buffer IC (integrated circuit) commonly used for signal conversion and buffering in digital systems.

  2. Q: What is the operating voltage range of MC74LVX245DWR2G? A: The operating voltage range of MC74LVX245DWR2G is typically between 2.0V and 5.5V.

  3. Q: Can MC74LVX245DWR2G be used for bidirectional level translation? A: Yes, MC74LVX245DWR2G supports bidirectional level translation, allowing signals to be translated from one voltage level to another in both directions.

  4. Q: What is the maximum data rate supported by MC74LVX245DWR2G? A: MC74LVX245DWR2G can support data rates up to 100 Mbps (megabits per second).

  5. Q: How many channels does MC74LVX245DWR2G have? A: MC74LVX245DWR2G has 8 channels, which means it can translate or buffer up to 8 different signals simultaneously.

  6. Q: Is MC74LVX245DWR2G compatible with TTL (Transistor-Transistor Logic) inputs? A: Yes, MC74LVX245DWR2G is compatible with both TTL and CMOS (Complementary Metal-Oxide-Semiconductor) inputs.

  7. Q: Can MC74LVX245DWR2G handle high-speed switching applications? A: Yes, MC74LVX245DWR2G is designed to handle high-speed switching applications and has a typical propagation delay of 7 ns.

  8. Q: What is the maximum output current that MC74LVX245DWR2G can drive? A: MC74LVX245DWR2G can drive up to 24 mA (milliamperes) of output current per channel.

  9. Q: Does MC74LVX245DWR2G have built-in ESD protection? A: Yes, MC74LVX245DWR2G has built-in ESD (Electrostatic Discharge) protection, which helps protect the IC from damage due to static electricity.

  10. Q: Can MC74LVX245DWR2G be used in automotive applications? A: Yes, MC74LVX245DWR2G is qualified for automotive applications and meets the necessary standards for automotive electronics.

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