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MC74VHCT245ADWRG
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MC74VHCT245ADWRG

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Level Shifter
  • Characteristics:
    • High-speed CMOS technology
    • Wide operating voltage range
    • Low power consumption
    • Schmitt trigger inputs for noise immunity
  • Package: SOIC-20
  • Essence: The MC74VHCT245ADWRG is a high-speed voltage level shifter IC that allows bidirectional voltage translation between different logic levels.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.0V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Input Current: ±10mA
  • Maximum Output Current: ±8mA
  • Propagation Delay: 6ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74VHCT245ADWRG has a total of 20 pins arranged in a dual in-line package (DIP). The pin configuration is as follows:

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

Functional Features

  • Bidirectional voltage level shifting between different logic levels
  • High-speed operation for efficient data transfer
  • Schmitt trigger inputs provide noise immunity and hysteresis
  • Wide operating voltage range allows compatibility with various systems
  • Low power consumption for energy-efficient applications

Advantages

  • Fast propagation delay ensures quick data transmission
  • Wide supply voltage range enables versatile usage scenarios
  • Schmitt trigger inputs enhance noise immunity and signal integrity
  • Compact SOIC-20 package offers space-saving integration

Disadvantages

  • Limited maximum input and output current may restrict certain high-current applications
  • Operating temperature range may not be suitable for extreme environments

Working Principles

The MC74VHCT245ADWRG operates by utilizing a combination of CMOS technology and Schmitt trigger inputs. It receives input signals from one logic level and translates them to another logic level bidirectionally. The Schmitt trigger inputs ensure noise immunity and hysteresis, allowing reliable data transmission even in the presence of electrical noise.

Detailed Application Field Plans

The MC74VHCT245ADWRG is commonly used in various digital systems where voltage level shifting is required. Some specific application fields include: - Microcontroller interfacing - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SN74LVC245A: Low Voltage Octal Bus Transceiver with 3-State Outputs
  • CD74HC245E: High-Speed CMOS Logic Octal Bus Transceiver
  • 74ACT245: Octal Bus Transceiver with 3-State Outputs
  • 74LVCH245A: Low-Voltage CMOS Octal Bus Transceiver

These alternative models offer similar functionality and can be considered as substitutes for the MC74VHCT245ADWRG depending on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MC74VHCT245ADWRG en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MC74VHCT245ADWRG:

  1. Q: What is MC74VHCT245ADWRG? A: MC74VHCT245ADWRG is a high-speed, octal bus transceiver with 3-state outputs. It is commonly used for level shifting and signal buffering in digital systems.

  2. Q: What is the operating voltage range of MC74VHCT245ADWRG? A: The operating voltage range of MC74VHCT245ADWRG is typically between 4.5V and 5.5V.

  3. Q: How many bidirectional channels does MC74VHCT245ADWRG have? A: MC74VHCT245ADWRG has 8 bidirectional channels, allowing it to transmit and receive data on 8 different lines.

  4. Q: What is the maximum data transfer rate supported by MC74VHCT245ADWRG? A: MC74VHCT245ADWRG supports a maximum data transfer rate of up to 200 MHz.

  5. Q: Can MC74VHCT245ADWRG be used for voltage level shifting? A: Yes, MC74VHCT245ADWRG can be used for voltage level shifting as it supports both TTL and CMOS voltage levels.

  6. Q: Does MC74VHCT245ADWRG have built-in protection against overvoltage or ESD events? A: No, MC74VHCT245ADWRG does not have built-in protection against overvoltage or ESD events. Additional external protection may be required.

  7. Q: Can MC74VHCT245ADWRG drive capacitive loads? A: Yes, MC74VHCT245ADWRG can drive capacitive loads up to a certain limit. It is recommended to refer to the datasheet for specific details.

  8. Q: What is the power supply current consumption of MC74VHCT245ADWRG? A: The power supply current consumption of MC74VHCT245ADWRG varies depending on the operating conditions and load. Refer to the datasheet for detailed information.

  9. Q: Can MC74VHCT245ADWRG be used in automotive applications? A: Yes, MC74VHCT245ADWRG is suitable for automotive applications as it meets the necessary requirements for temperature range and reliability.

  10. Q: Are there any application notes or reference designs available for MC74VHCT245ADWRG? A: Yes, the manufacturer typically provides application notes and reference designs that can help with the implementation of MC74VHCT245ADWRG in various technical solutions. These resources can be found on their website or by contacting their technical support team.