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MC74ACT245NG
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MC74ACT245NG

Product Overview

Category

MC74ACT245NG belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for signal level shifting in digital systems.

Characteristics

  • High-speed operation
  • Wide voltage range compatibility
  • Low power consumption
  • Schmitt trigger inputs for noise immunity

Package

MC74ACT245NG is available in a 20-pin DIP (Dual In-line Package) format.

Essence

The essence of MC74ACT245NG lies in its ability to provide bidirectional voltage level translation between different logic families.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying depending on the supplier.

Specifications

  • Logic Family: ACT
  • Number of Pins: 20
  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. DIR (Direction Control)
  2. A1 (Data Input/Output)
  3. B1 (Data Input/Output)
  4. A2 (Data Input/Output)
  5. B2 (Data Input/Output)
  6. A3 (Data Input/Output)
  7. B3 (Data Input/Output)
  8. A4 (Data Input/Output)
  9. B4 (Data Input/Output)
  10. GND (Ground)
  11. B5 (Data Input/Output)
  12. A5 (Data Input/Output)
  13. B6 (Data Input/Output)
  14. A6 (Data Input/Output)
  15. B7 (Data Input/Output)
  16. A7 (Data Input/Output)
  17. B8 (Data Input/Output)
  18. A8 (Data Input/Output)
  19. VCC (Supply Voltage)
  20. OE (Output Enable)

Functional Features

  • Bidirectional voltage level translation
  • Non-inverting outputs
  • 3-state outputs for bus-oriented applications
  • High-speed operation with minimal propagation delay

Advantages and Disadvantages

Advantages

  • Wide voltage range compatibility allows for versatile use in various digital systems.
  • Low power consumption helps reduce energy consumption in electronic devices.
  • Schmitt trigger inputs provide noise immunity, ensuring reliable signal transmission.

Disadvantages

  • Limited number of input/output pins may restrict the complexity of certain applications.
  • The 20-pin DIP package may not be suitable for space-constrained designs.

Working Principles

MC74ACT245NG operates by receiving data signals from one logic family and translating them to a compatible voltage level for another logic family. It achieves bidirectional communication by utilizing a direction control pin (DIR). The non-inverting outputs ensure that the translated signals maintain their original logic state.

Detailed Application Field Plans

MC74ACT245NG finds applications in various digital systems, including but not limited to: - Microcontrollers - Data communication interfaces - Industrial automation systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  1. SN74ACT245: Similar functionality and specifications, offered by Texas Instruments.
  2. CD74ACT245: Equivalent voltage level translator IC, manufactured by Texas Instruments.
  3. 74HCT245: Alternative model with different logic family compatibility, available from multiple manufacturers.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

In conclusion, MC74ACT245NG is a versatile integrated circuit used for bidirectional voltage level shifting in digital systems. Its wide voltage range compatibility, low power consumption, and noise immunity make it suitable for various applications. However, its limited pin count and package size may pose constraints in certain designs.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MC74ACT245NG i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MC74ACT245NG in technical solutions:

  1. Q: What is MC74ACT245NG? A: MC74ACT245NG is a type of octal bus transceiver that can be used for bidirectional transfer of data between different voltage levels.

  2. Q: What is the operating voltage range of MC74ACT245NG? A: The operating voltage range of MC74ACT245NG is typically between 4.5V and 5.5V.

  3. Q: How many data lines can MC74ACT245NG handle? A: MC74ACT245NG can handle up to 8 data lines, making it suitable for applications requiring multiple data transfers.

  4. Q: Can MC74ACT245NG be used for level shifting? A: Yes, MC74ACT245NG can be used for level shifting as it supports bidirectional data transfer between different voltage levels.

  5. Q: What is the maximum data transfer rate supported by MC74ACT245NG? A: MC74ACT245NG supports a maximum data transfer rate of 24 MHz, making it suitable for high-speed applications.

  6. Q: Does MC74ACT245NG have any built-in protection features? A: Yes, MC74ACT245NG has built-in diode clamps that provide protection against electrostatic discharge (ESD) events.

  7. Q: Can MC74ACT245NG be used in both parallel and serial communication systems? A: Yes, MC74ACT245NG 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 MC74ACT245NG? A: The power supply current consumption of MC74ACT245NG is typically around 20 mA, making it suitable for low-power applications.

  9. Q: Can MC74ACT245NG be used in automotive applications? A: Yes, MC74ACT245NG is designed to meet the requirements of automotive applications and can operate in harsh environments.

  10. Q: Are there any specific layout considerations for using MC74ACT245NG? A: Yes, it is recommended to follow the manufacturer's guidelines for proper PCB layout, including minimizing trace lengths and providing adequate decoupling capacitors.

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