Encyclopedia Entry: 74ACT125PC

Product Overview

Category

The 74ACT125PC belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic gates.

Use

This product is commonly used in digital electronics for signal buffering and level shifting applications. It provides a high-speed, non-inverting buffer with 3-state outputs.

Characteristics

• High-speed operation
• Non-inverting buffer
• 3-state outputs
• Wide operating voltage range
• Low power consumption

Package

The 74ACT125PC is available in a 14-pin plastic dual in-line package (DIP). This package offers ease of handling and compatibility with standard IC sockets.

Essence

The essence of the 74ACT125PC lies in its ability to amplify and buffer digital signals while maintaining their integrity and providing compatibility between different logic families.

Packaging/Quantity

The 74ACT125PC is typically packaged in tubes or trays, with each tube containing 25 pieces or each tray containing 100 pieces.

Specifications

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

Detailed Pin Configuration

The 74ACT125PC has a total of 14 pins, labeled as follows:

1. GND (Ground)
2. A1 (Input A1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. Y2 (Output Y2)
6. A3 (Input A3)
7. Y3 (Output Y3)
8. OE (Output Enable)
9. VCC (Supply Voltage)
10. Y4 (Output Y4)
11. A4 (Input A4)
12. Y5 (Output Y5)
13. A5 (Input A5)
14. GND (Ground)

Functional Features

The 74ACT125PC offers the following functional features:

• Non-inverting buffer: It amplifies and reproduces the input signal without changing its logic level.
• 3-state outputs: The outputs can be put into a high-impedance state, allowing multiple devices to share a common bus without interference.
• High-speed operation: It provides fast switching times, making it suitable for applications requiring quick signal propagation.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient signal buffering in time-critical applications.
• 3-state outputs allow for bus sharing and reduce the need for additional components.
• Wide operating voltage range ensures compatibility with various systems.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited number of inputs and outputs may restrict complex circuit designs.
• Propagation delay time may introduce timing issues in certain applications.
• Sensitivity to electrostatic discharge (ESD) requires proper handling and protection measures.

Working Principles

The 74ACT125PC operates based on the principles of digital logic gates. It uses transistors and other electronic components to amplify and buffer incoming signals. The non-inverting nature of the buffer ensures that the output faithfully reproduces the input signal. The 3-state outputs provide flexibility in controlling the output state, enabling bus sharing and preventing signal conflicts.

Detailed Application Field Plans

The 74ACT125PC finds application in various fields, including:

1. Microprocessor-based systems: It can be used to interface between different logic families, ensuring compatibility between microprocessors and peripheral devices.
2. Communication systems: It facilitates signal buffering and level shifting in communication circuits, enhancing signal integrity and reducing noise.
3. Industrial automation: The 74ACT125PC can be employed in control systems to interface between different components and ensure reliable signal transmission.
4. Automotive electronics: It finds use in automotive applications for signal buffering and level translation, contributing to the efficient operation of various electronic modules.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACT125PC include:

1. 74HC125: This IC provides quad non-inverting buffer gates with 3-state outputs.
2. 74LS125: It offers quad 3-state buffers with non-inverting outputs.
3. SN74LVC125A: This device features quadruple bus buffer gates with 3-state outputs and low voltage operation.

These alternative models can be considered based on specific requirements and compatibility with existing systems.

Word count: 590 words