Encyclopedia Entry: 74ABT544D,623

Product Overview

Category

The 74ABT544D,623 belongs to the category of integrated circuits (ICs). Specifically, it falls under the category of octal registered transceivers with 3-state outputs.

Use

This product is commonly used in digital electronics and computer systems for data transmission between different parts of a circuit or between multiple devices. It enables bidirectional communication by converting signals from one format to another.

Characteristics

• Octal registered transceiver with 3-state outputs
• High-speed operation
• Low power consumption
• Wide voltage range compatibility
• Robust design for reliable performance
• Suitable for various digital applications

Package and Quantity

The 74ABT544D,623 is typically available in a standard 20-pin dual in-line package (DIP). Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input/Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±24mA
• Propagation Delay Time: 6ns (max)
• Output Capacitance: 10pF (typ)

Pin Configuration

The 74ABT544D,623 has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. OE (Output Enable) - Output control pin
2. A0-A7 - Data input/output pins
3. B0-B7 - Data input/output pins
4. GND - Ground reference
5. B7-B0 - Data input/output pins
6. A7-A0 - Data input/output pins
7. VCC - Power supply
8. DIR (Direction Control) - Direction control pin
9. LE (Latch Enable) - Latch enable pin
10. Q0-Q7 - Output pins

Functional Features

The 74ABT544D,623 offers the following functional features:

• Bidirectional data transfer: It allows data to be transmitted in both directions, enabling communication between different parts of a circuit or multiple devices.
• 3-state outputs: The IC supports three output states - high impedance, logic high, and logic low. This feature enhances flexibility and compatibility with other components.
• Latch enable: The latch enable pin enables the IC to store data temporarily, ensuring synchronized transmission.

Advantages and Disadvantages

Advantages

• High-speed operation: The IC operates at a fast speed, making it suitable for time-critical applications.
• Low power consumption: It consumes minimal power, contributing to energy efficiency.
• Wide voltage range compatibility: The IC can operate within a wide voltage range, enhancing its versatility.
• Robust design: The IC is designed to withstand various environmental conditions, ensuring reliable performance.

Disadvantages

• Limited output current: The maximum output current may not be sufficient for certain high-power applications.
• Propagation delay: The IC has a small propagation delay, which may introduce slight delays in data transmission.

Working Principles

The 74ABT544D,623 works based on the principles of digital logic circuits. It utilizes internal registers and transceivers to facilitate bidirectional data transfer. The direction control pin determines the direction of data flow, while the latch enable pin allows temporary storage of data. The output enable pin controls the output state of the IC, enabling high impedance when necessary.

Application Field Plans

The 74ABT544D,623 finds extensive application in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Data communication networks - Memory modules - Industrial automation systems - Consumer electronics

Alternative Models

For those seeking alternative models with similar functionality, the following options are available: - 74ABT541D,623: Octal buffer/line driver with 3-state outputs - 74ABT573D,623: Octal transparent latch with 3-state outputs - 74ABT244D,623: Octal buffer/line driver with 3-state outputs

These alternatives offer comparable features and can be considered based on specific requirements.

In conclusion, the 74ABT544D,623 is a versatile octal registered transceiver widely used in digital electronics. Its high-speed operation, low power consumption, and robust design make it suitable for various applications. With bidirectional data transfer capabilities and 3-state outputs, it provides flexibility and compatibility. While it has some limitations, such as limited output current and propagation delay, its advantages outweigh the disadvantages. The IC's working principles rely on digital logic circuits, enabling efficient data transmission. It finds application in diverse fields, and alternative models are available for specific needs.