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SN74ABT18502PMR

SN74ABT18502PMR

Product Overview

Category

The SN74ABT18502PMR belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This product is commonly used for bidirectional data transfer between buses operating at different voltage levels.

Characteristics

  • Voltage Level Translation: The SN74ABT18502PMR facilitates translation between 3.3-V and 5-V buses.
  • High-Speed Operation: It operates at high speeds, making it suitable for applications requiring rapid data transfer.
  • Robustness: This IC is designed to withstand various environmental conditions and maintain reliable performance.
  • Low Power Consumption: It is engineered to consume minimal power, enhancing energy efficiency in electronic systems.

Package

The SN74ABT18502PMR is available in a small-outline integrated circuit (SOIC) package, which provides ease of handling and integration into circuit boards.

Essence

This IC serves as a crucial component in systems where voltage level translation is required to ensure seamless communication between different bus architectures.

Packaging/Quantity

It is typically supplied in reels containing a specific quantity, with variations based on customer requirements.

Specifications

  • Operating Voltage Range: 2 V to 5.5 V
  • Data Rate: Up to 200 Mbps
  • Number of Channels: 8
  • Package Type: SOIC
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The detailed pin configuration of the SN74ABT18502PMR is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | A1 | Channel A data input/output | | 2 | B1 | Channel B data input/output | | 3 | GND | Ground | | 4 | OE | Output enable | | 5 | VCCB | Channel B supply voltage | | 6 | B2 | Channel B data input/output | | 7 | A2 | Channel A data input/output | | 8 | VCCA | Channel A supply voltage |

Functional Features

  • Bidirectional Data Transfer: Enables seamless data exchange between different voltage buses.
  • Output Enable Function: Allows control over the direction of data flow.
  • High-Speed Operation: Supports rapid data transmission, suitable for time-critical applications.

Advantages and Disadvantages

Advantages

  • Efficient voltage level translation
  • High-speed operation
  • Low power consumption

Disadvantages

  • Limited to specific voltage level translation scenarios
  • May require additional components for comprehensive system integration

Working Principles

The SN74ABT18502PMR utilizes internal circuitry to manage bidirectional data transfer while ensuring compatibility between different voltage levels. When the output enable (OE) pin is activated, the device allows data to flow in the specified direction, facilitating seamless communication between buses.

Detailed Application Field Plans

Industrial Automation

In industrial automation systems, the SN74ABT18502PMR can be employed to facilitate communication between control units operating at different voltage levels, ensuring efficient data exchange within the system.

Consumer Electronics

Within consumer electronics, this IC can be utilized to enable communication between components such as microcontrollers and sensors, where voltage level translation is necessary.

Automotive Systems

In automotive applications, the SN74ABT18502PMR can support data transfer between various vehicle subsystems, contributing to the overall functionality and reliability of the system.

Detailed and Complete Alternative Models

  • SN74LVC1T45DBVR: A single-bit dual-supply bus transceiver with similar voltage translation capabilities.
  • SN74AVC4T245RGYR: A quad-bit dual-supply bus transceiver offering enhanced channel density for larger-scale applications.

In conclusion, the SN74ABT18502PMR serves as a vital component in systems requiring voltage level translation, offering high-speed operation and robust performance. Its application spans across diverse industries, providing essential support for seamless data exchange between different bus architectures.

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10個與SN74ABT18502PMR在技術方案中應用相關的常見問題與解答

  1. What is the SN74ABT18502PMR?

    • The SN74ABT18502PMR is a 9-bit universal bus transceiver with 3-state outputs, designed for asynchronous communication between data buses.
  2. What voltage levels does the SN74ABT18502PMR support?

    • It supports a wide range of voltage levels, including 3.3V and 5V, making it versatile for various applications.
  3. What are the typical applications of the SN74ABT18502PMR?

    • It is commonly used in data communication systems, networking equipment, industrial control systems, and other applications requiring bidirectional data transfer.
  4. What is the maximum data transfer rate supported by the SN74ABT18502PMR?

    • The SN74ABT18502PMR can support high-speed data transfer rates, typically up to 200MHz, making it suitable for demanding applications.
  5. Does the SN74ABT18502PMR have built-in ESD protection?

    • Yes, it features built-in ESD protection, which helps safeguard the device and the connected circuitry from electrostatic discharge events.
  6. Can the SN74ABT18502PMR handle hot-swapping of data buses?

    • Yes, it is designed to support hot-swapping, allowing for seamless insertion and removal of the device from an active data bus without causing disruptions.
  7. What is the power consumption of the SN74ABT18502PMR?

    • The power consumption is relatively low, making it suitable for battery-powered or energy-efficient applications.
  8. Does the SN74ABT18502PMR have overvoltage protection?

    • Yes, it includes overvoltage protection, which helps prevent damage to the device in case of voltage spikes or surges.
  9. Is the SN74ABT18502PMR compatible with other standard logic families?

    • Yes, it is compatible with a wide range of standard logic families, enhancing its interoperability with existing systems.
  10. Are there any application notes or reference designs available for the SN74ABT18502PMR?

    • Yes, Texas Instruments provides comprehensive application notes and reference designs to assist engineers in implementing the SN74ABT18502PMR in their technical solutions.