ON Semiconductor
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MC74VHCT245ADTG
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MC74VHCT245ADTG

Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Level Shifter
  • Characteristics:
    • High-speed operation
    • Low power consumption
    • Wide voltage range compatibility
  • Package: TSSOP-20
  • Essence: Bi-directional octal bus transceiver
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 2.0V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 7 ns (typical)
  • Output Current: ±6 mA
  • Input Capacitance: 3 pF (typical)

Pin Configuration

The MC74VHCT245ADTG has a total of 20 pins arranged as follows:

__ __ A1 | 1 20 | VCC B1 | 2 19 | OE# A2 | 3 18 | I/O1B B2 | 4 17 | I/O2B A3 | 5 16 | I/O3B B3 | 6 15 | I/O4B A4 | 7 14 | I/O5B B4 | 8 13 | I/O6B GND | 9 12 | I/O7B A5 |10 11 | I/O8B ‾‾ ‾‾

Functional Features

  • Bi-directional data transfer between buses with different voltage levels
  • 3-state outputs for bus isolation
  • Non-inverting logic levels

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data transfer
  • Low power consumption helps conserve energy
  • Wide voltage range compatibility enables use in various applications

Disadvantages

  • Limited output current may restrict usage in certain high-power scenarios
  • Input capacitance can affect signal integrity in high-frequency applications

Working Principles

The MC74VHCT245ADTG is a voltage level shifter that facilitates bi-directional data transfer between two buses operating at different voltage levels. It utilizes non-inverting logic levels, allowing seamless communication between the buses. The device features 3-state outputs, enabling bus isolation when necessary.

Detailed Application Field Plans

The MC74VHCT245ADTG finds applications in various fields where voltage level shifting is required. Some specific application areas include:

  1. Microcontroller interfacing with different voltage peripherals
  2. Communication systems involving multiple voltage domains
  3. Industrial automation for signal translation between incompatible devices
  4. Automotive electronics for connecting components with varying voltage requirements
  5. Consumer electronics for level conversion between different logic families

Detailed and Complete Alternative Models

  1. SN74LVC245A: Octal Bus Transceiver with 3-State Outputs
  2. CD74HCT245E: High-Speed CMOS Logic Octal Bus Transceiver
  3. 74HC245: Octal Bus Transceiver with 3-State Outputs
  4. NC7SZ245P6X: TinyLogic UHS Dual Supply Bus Transceiver

These alternative models offer similar functionality to the MC74VHCT245ADTG and can be considered as alternatives based on specific project requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MC74VHCT245ADTG v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MC74VHCT245ADTG in technical solutions:

  1. Q: What is MC74VHCT245ADTG? A: MC74VHCT245ADTG 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 MC74VHCT245ADTG? A: The operating voltage range of MC74VHCT245ADTG is typically between 4.5V and 5.5V.

  3. Q: How many bidirectional channels does MC74VHCT245ADTG have? A: MC74VHCT245ADTG 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 MC74VHCT245ADTG? A: MC74VHCT245ADTG supports a maximum data transfer rate of up to 200 MHz.

  5. Q: Can MC74VHCT245ADTG be used for voltage level shifting? A: Yes, MC74VHCT245ADTG can be used for voltage level shifting as it supports both TTL and CMOS voltage levels.

  6. Q: Does MC74VHCT245ADTG have built-in protection against overvoltage or ESD events? A: No, MC74VHCT245ADTG does not have built-in protection against overvoltage or ESD events. External protection measures may be required.

  7. Q: Can MC74VHCT245ADTG be used in both parallel and serial communication systems? A: Yes, MC74VHCT245ADTG can be used in both parallel and serial communication systems, depending on the application requirements.

  8. Q: What is the power supply current consumption of MC74VHCT245ADTG? A: The power supply current consumption of MC74VHCT245ADTG is typically around 10 mA.

  9. Q: Can MC74VHCT245ADTG be used for level translation between different voltage domains? A: Yes, MC74VHCT245ADTG can be used for level translation between different voltage domains, provided the voltage levels are within its operating range.

  10. Q: Is MC74VHCT245ADTG suitable for high-speed data transmission applications? A: Yes, MC74VHCT245ADTG is suitable for high-speed data transmission applications due to its fast propagation delay and high data transfer rate.

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