Encyclopedia Entry: 74ABT543CSCX

Product Overview

Category

The 74ABT543CSCX belongs to the category of integrated circuits (ICs) and specifically falls under the family of ABT series ICs.

Use

This IC is commonly used in digital electronic systems for data transmission and storage applications. It serves as a bidirectional octal transceiver with tri-state outputs.

Characteristics

• The 74ABT543CSCX operates on a supply voltage range of 4.5V to 5.5V.
• It offers high-speed performance, making it suitable for time-critical applications.
• This IC features eight input/output pins, allowing for efficient data transfer.
• It incorporates tri-state outputs, enabling multiple devices to share a common bus without interference.
• The 74ABT543CSCX has a latch enable input that allows data to be stored temporarily.

Package and Quantity

The 74ABT543CSCX is available in a small-outline package (SOIC) with a ceramic substrate. It comes in a surface-mount form factor. Each package contains one IC.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input/Output Pins: 8
• Package Type: SOIC
• Substrate Material: Ceramic
• Mounting Style: Surface Mount

Pin Configuration

The detailed pin configuration of the 74ABT543CSCX is as follows:

+-----+--+-----+ OE --|1 20|-- VCC 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|-- LE +------+--+

Functional Features

• Bidirectional Data Transfer: The 74ABT543CSCX allows data to be transmitted in both directions, facilitating efficient communication between devices.
• Tri-State Outputs: The tri-state outputs enable multiple devices to share a common bus without causing conflicts or signal degradation.
• Latch Enable Input: The latch enable input (LE) allows the temporary storage of data, providing flexibility in data transmission.

Advantages and Disadvantages

Advantages: - High-speed performance suitable for time-critical applications. - Tri-state outputs prevent interference on shared buses. - Latch enable input allows temporary data storage.

Disadvantages: - Limited voltage supply range (4.5V to 5.5V). - Surface-mount package may require specialized equipment for installation.

Working Principles

The 74ABT543CSCX operates based on the principles of digital logic. It uses internal circuitry to control the bidirectional flow of data between its input/output pins. The latch enable input allows the IC to store data temporarily, while the tri-state outputs ensure proper bus sharing.

Application Field Plans

The 74ABT543CSCX finds application in various fields, including: 1. Computer Systems: Used for data transmission between different components such as memory modules and processors. 2. Communication Systems: Facilitates data transfer in networking equipment, routers, and switches. 3. Industrial Automation: Enables efficient communication between sensors, actuators, and control systems. 4. Automotive Electronics: Used in automotive control units for data exchange between different subsystems.

Alternative Models

Other alternative models that serve similar functions to the 74ABT543CSCX include: - 74HC543: A CMOS-based octal transceiver with tri-state outputs. - SN54ABT543: A similar ABT series IC manufactured by Texas Instruments.

In conclusion, the 74ABT543CSCX is a high-speed bidirectional octal transceiver IC used for data transmission and storage applications. Its tri-state outputs and latch enable input provide flexibility and efficient bus sharing. It finds application in various fields such as computer systems, communication systems, industrial automation, and automotive electronics.

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