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M74HCT245TTR

M74HCT245TTR

Product Overview

Category

M74HCT245TTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal level shifting and voltage translation in various electronic applications.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • Schmitt trigger inputs for noise immunity
  • 3-state outputs for bus-oriented applications

Package

M74HCT245TTR is available in a small outline transistor (SOT) package.

Essence

The essence of M74HCT245TTR lies in its ability to provide efficient signal level shifting and voltage translation, ensuring seamless communication between different components within an electronic system.

Packaging/Quantity

This IC is typically packaged in reels containing a specific quantity, such as 2500 units per reel.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +125°C
  • Propagation Delay Time: 14 ns (max)
  • Output Current: ±6 mA

Detailed Pin Configuration

M74HCT245TTR consists of 20 pins, each serving a specific function. The pin configuration is as follows:

  1. OE (Output Enable)
  2. A1 (Input A1)
  3. I/O1 (Bidirectional I/O Port 1)
  4. GND (Ground)
  5. I/O2 (Bidirectional I/O Port 2)
  6. A2 (Input A2)
  7. I/O3 (Bidirectional I/O Port 3)
  8. VCC (Supply Voltage)
  9. I/O4 (Bidirectional I/O Port 4)
  10. A3 (Input A3)
  11. I/O5 (Bidirectional I/O Port 5)
  12. A4 (Input A4)
  13. I/O6 (Bidirectional I/O Port 6)
  14. A5 (Input A5)
  15. I/O7 (Bidirectional I/O Port 7)
  16. A6 (Input A6)
  17. I/O8 (Bidirectional I/O Port 8)
  18. DIR (Direction Control)
  19. GND (Ground)
  20. VCC (Supply Voltage)

Functional Features

  • Bidirectional data transfer between different voltage levels
  • High-speed operation allows for efficient data transmission
  • Schmitt trigger inputs provide noise immunity, ensuring reliable signal processing
  • 3-state outputs enable bus-oriented applications, allowing multiple devices to share a common bus

Advantages and Disadvantages

Advantages

  • Wide operating voltage range makes it compatible with various systems
  • Low power consumption helps in energy-efficient designs
  • Schmitt trigger inputs enhance noise immunity, improving signal integrity
  • 3-state outputs facilitate bus-oriented applications, enabling efficient communication between multiple devices

Disadvantages

  • Propagation delay time may limit the speed of certain applications
  • Limited output current may restrict its use in high-current scenarios

Working Principles

M74HCT245TTR operates based on the principles of voltage translation and signal level shifting. It receives input signals from one voltage domain and translates them to another voltage domain, ensuring compatibility between different components within an electronic system. The direction control pin (DIR) determines the direction of data flow, while the output enable pin (OE) enables or disables the outputs.

Detailed Application Field Plans

M74HCT245TTR finds applications in various fields, including:

  1. Microcontroller interfacing
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to M74HCT245TTR are:

  1. SN74HCT245N by Texas Instruments
  2. 74HCT245 by NXP Semiconductors
  3. CD74HCT245E by Texas Instruments
  4. MC74HCT245ADWR2G by ON Semiconductor

These alternative models can be considered based on specific requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací M74HCT245TTR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of M74HCT245TTR in technical solutions:

  1. Q: What is the M74HCT245TTR? A: The M74HCT245TTR is a high-speed octal bus transceiver with 3-state outputs, commonly used for bidirectional data transfer between different voltage levels.

  2. Q: What is the operating voltage range of the M74HCT245TTR? A: The M74HCT245TTR operates within a voltage range of 4.5V to 5.5V.

  3. Q: Can the M74HCT245TTR handle level shifting between different voltage domains? A: Yes, the M74HCT245TTR is designed to handle level shifting between different voltage domains, making it suitable for interfacing between devices with different voltage requirements.

  4. Q: How many data lines can the M74HCT245TTR handle? A: The M74HCT245TTR can handle up to 8 bidirectional data lines.

  5. Q: What is the maximum data transfer rate supported by the M74HCT245TTR? A: The M74HCT245TTR supports high-speed data transfer rates up to 25 MHz.

  6. Q: Does the M74HCT245TTR have built-in protection features? A: Yes, the M74HCT245TTR has built-in protection against electrostatic discharge (ESD) and excessive power dissipation.

  7. Q: Can the M74HCT245TTR be used in both parallel and serial communication systems? A: Yes, the M74HCT245TTR 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 the M74HCT245TTR? A: The power supply current consumption of the M74HCT245TTR is typically around 4 mA.

  9. Q: Does the M74HCT245TTR support hot-swapping of devices? A: No, the M74HCT245TTR does not support hot-swapping of devices. It is recommended to ensure that the device is powered off before connecting or disconnecting it.

  10. Q: Are there any specific layout considerations for using the M74HCT245TTR? A: Yes, it is important to follow the recommended layout guidelines provided in the datasheet to minimize noise and ensure proper signal integrity during operation.

Please note that these answers are general and may vary depending on the specific application and implementation of the M74HCT245TTR.