Encyclopedia Entry: 74FCT2543ATSOCTE4

Product Overview

Category

The 74FCT2543ATSOCTE4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital logic devices.

Use

This product is primarily used in electronic systems for signal switching and routing purposes. It enables the control and manipulation of digital signals within a circuit.

Characteristics

• The 74FCT2543ATSOCTE4 is a high-speed octal bus transceiver with tri-state outputs.
• It operates on a wide voltage range, typically between 4.5V and 5.5V.
• This IC offers low power consumption and high noise immunity.
• It is designed to provide bidirectional data transfer between two buses.

Package and Quantity

The 74FCT2543ATSOCTE4 is available in a small-outline transistor (SOT) package. Each package contains a single unit of the IC.

Specifications

• Operating Voltage Range: 4.5V - 5.5V
• Logic Family: FCT
• Number of Channels: 8
• Output Type: Tri-state
• Maximum Data Rate: 100 MHz
• Propagation Delay: 6 ns (max)
• Input/Output Compatibility: TTL/CMOS

Pin Configuration

The detailed pin configuration of the 74FCT2543ATSOCTE4 is as follows:

+-----+--+-----+ OE1 |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| OE2 +--------------+

Functional Features

• Bidirectional data transfer: The 74FCT2543ATSOCTE4 allows data to be transmitted in both directions between two buses.
• Tri-state outputs: It provides the ability to disconnect the output from the bus, allowing multiple devices to share the same bus without interference.
• High-speed operation: This IC is capable of handling data rates up to 100 MHz, making it suitable for applications requiring fast signal switching.

Advantages and Disadvantages

Advantages: - Wide operating voltage range enables compatibility with various systems. - Low power consumption helps conserve energy. - Tri-state outputs allow for efficient bus sharing.

Disadvantages: - Limited number of channels (8) may not be sufficient for certain applications requiring a higher channel count. - Propagation delay of 6 ns (max) may introduce timing constraints in time-critical systems.

Working Principles

The 74FCT2543ATSOCTE4 operates based on the principles of digital logic. It utilizes internal circuitry to control the flow of data between input and output buses. When enabled, the IC allows bidirectional data transfer, while the tri-state outputs enable the disconnection of the output from the bus when necessary.

Application Field Plans

The 74FCT2543ATSOCTE4 finds application in various electronic systems, including but not limited to: 1. Data communication networks 2. Microprocessor-based systems 3. Industrial automation equipment 4. Test and measurement instruments 5. Automotive electronics

Alternative Models

For users seeking alternative options, the following models can be considered: 1. 74FCT245: Octal bus transceiver with non-inverting outputs. 2. 74FCT543: Octal registered transceiver with tri-state outputs. 3. 74FCT257: Quad 2-input multiplexer with tri-state outputs.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the 74FCT2543ATSOCTE4 is a versatile integrated circuit that enables bidirectional data transfer between buses in electronic systems. Its high-speed operation, low power consumption, and tri-state outputs make it suitable for various applications across different industries.

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