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SN74ABTH245DW
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SN74ABTH245DW

Product Overview

Category

SN74ABTH245DW belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for level shifting and voltage translation in digital systems.

Characteristics

  • High-speed operation
  • Wide voltage range compatibility
  • Bidirectional data transfer capability
  • Low power consumption
  • Robust design for reliable performance

Package

SN74ABTH245DW is available in a 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74ABTH245DW lies in its ability to facilitate seamless communication between digital devices operating at different voltage levels.

Packaging/Quantity

SN74ABTH245DW is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 2.3V to 3.6V
  • Logic Voltage Levels: 1.8V to 3.3V
  • Maximum Data Rate: 400 Mbps
  • Number of Channels: 8
  • Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The pin configuration of SN74ABTH245DW is as follows:

__ __ |1 \/ 20| A0|2 19|B0 A1|3 18|B1 A2|4 17|B2 A3|5 16|B3 A4|6 15|B4 A5|7 14|B5 A6|8 13|B6 A7|9 12|B7 GND|10 11|VCC -- --

Functional Features

  • Bidirectional data transfer: SN74ABTH245DW allows data to be transferred bidirectionally between devices operating at different voltage levels.
  • Voltage level shifting: It ensures seamless communication by converting logic signals from one voltage level to another.
  • High-speed operation: The IC is designed to operate at high speeds, making it suitable for applications requiring fast data transfer.
  • Robust design: SN74ABTH245DW is built to withstand noise and other disturbances, ensuring reliable performance in various environments.

Advantages and Disadvantages

Advantages

  • Wide voltage range compatibility enables integration into diverse digital systems.
  • Low power consumption helps conserve energy in battery-powered devices.
  • Bidirectional data transfer simplifies circuit design and reduces component count.
  • High-speed operation facilitates efficient data transmission.

Disadvantages

  • Limited number of channels (8) may not be sufficient for certain applications requiring a higher channel count.
  • Availability and pricing may vary depending on the supplier and market conditions.

Working Principles

SN74ABTH245DW operates based on the principles of voltage level shifting. It utilizes internal circuitry to convert logic signals from one voltage level to another, allowing seamless communication between devices operating at different voltage levels. The bidirectional data transfer capability ensures that data can flow in both directions without the need for additional components or complex circuitry.

Detailed Application Field Plans

SN74ABTH245DW finds applications in various fields, including but not limited to: - Microcontroller interfacing - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SN74ABTH245DW that offer similar functionality include: - SN74LVC245A - SN74LVCH245A - SN74AVC4T245

These alternatives provide comparable voltage level shifting capabilities and are widely used in digital systems.

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10個與SN74ABTH245DW在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of SN74ABTH245DW:

  1. Q: What is SN74ABTH245DW? A: SN74ABTH245DW is a bidirectional octal bus transceiver with 3-state outputs, commonly used in digital systems.

  2. Q: What is the operating voltage range for SN74ABTH245DW? A: The operating voltage range for SN74ABTH245DW is typically between 4.5V and 5.5V.

  3. Q: How many bidirectional channels does SN74ABTH245DW have? A: SN74ABTH245DW has 8 bidirectional channels, allowing data transmission in both directions.

  4. Q: What is the maximum data transfer rate supported by SN74ABTH245DW? A: SN74ABTH245DW supports a maximum data transfer rate of up to 200 MHz.

  5. Q: Can SN74ABTH245DW handle level shifting between different voltage domains? A: Yes, SN74ABTH245DW can be used for level shifting between different voltage domains, as long as the voltage levels are within its operating range.

  6. Q: Does SN74ABTH245DW have built-in protection against bus contention? A: Yes, SN74ABTH245DW has built-in bus hold circuitry that prevents bus contention when the output is in the high-impedance state.

  7. Q: Can SN74ABTH245DW be used in applications requiring hot-swapping capability? A: Yes, SN74ABTH245DW supports hot-swapping, allowing it to be inserted or removed from a live system without causing damage.

  8. Q: What is the power supply current consumption of SN74ABTH245DW? A: The power supply current consumption of SN74ABTH245DW varies depending on the operating conditions, but it is typically in the range of a few milliamperes.

  9. Q: Can SN74ABTH245DW be used in high-speed data communication applications? A: Yes, SN74ABTH245DW is suitable for high-speed data communication applications due to its fast switching speed and low propagation delay.

  10. Q: Are there any specific layout considerations when using SN74ABTH245DW? A: It is recommended to follow the manufacturer's guidelines for PCB layout, including proper decoupling capacitors placement and minimizing trace lengths to reduce noise and signal integrity issues.

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