Encyclopedia Entry: 74ACT125MTR

Product Overview

Category

The 74ACT125MTR belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic gates.

Use

This IC is commonly used in digital electronics for signal buffering and level shifting applications. It provides four independent non-inverting buffers with tri-state outputs.

Characteristics

• Logic Family: ACT
• Number of Buffers: 4
• Buffer Type: Non-inverting
• Output State: Tri-state
• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C

Package

The 74ACT125MTR is available in a small outline integrated circuit (SOIC) package. This package type offers compactness and ease of integration onto printed circuit boards.

Essence

The essence of the 74ACT125MTR lies in its ability to buffer and shift logic levels, ensuring proper signal transmission between different components within a digital system.

Packaging/Quantity

The 74ACT125MTR is typically supplied in reels or tubes, containing a quantity of 2500 units per reel/tube.

Specifications

• High-Speed CMOS Technology
• Maximum Propagation Delay: 7 ns
• Maximum Input Capacitance: 3.5 pF
• Minimum Output Current: -24 mA
• Maximum Quiescent Supply Current: 8 μA

Detailed Pin Configuration

The pin configuration of the 74ACT125MTR is as follows:

┌───┐ Y1 ────│1 14│─── VCC Y2 ────│2 13│─── Y4 GND ───│3 12│─── Y3 A1 ───│4 11│─── OE A2 ───│5 10│─── Y3 Y1 ────│6 9│─── Y2 │7 8│─── A3 └───┘

Functional Features

• Non-inverting Buffer: The 74ACT125MTR provides four independent non-inverting buffers, allowing for signal amplification without changing the logic level.
• Tri-State Outputs: The tri-state outputs enable the buffers to be effectively disconnected from the bus, reducing the possibility of signal interference.
• High-Speed Operation: Utilizing high-speed CMOS technology, this IC offers fast propagation delay, making it suitable for time-critical applications.

Advantages and Disadvantages

Advantages

• Versatile buffering and level shifting capabilities
• Compact SOIC package for easy integration
• Wide supply voltage range allows compatibility with various systems
• Tri-state outputs minimize signal interference

Disadvantages

• Limited number of buffers (four in total)
• Not suitable for high-voltage applications (limited to 6V)

Working Principles

The 74ACT125MTR operates by receiving input signals on the A1, A2, A3 pins. These signals are then buffered and amplified by the internal circuitry. The resulting output signals appear on the corresponding Y1, Y2, Y3, and Y4 pins. The OE (Output Enable) pin controls the tri-state outputs, allowing the buffers to be enabled or disabled as needed.

Detailed Application Field Plans

The 74ACT125MTR finds application in various digital systems, including but not limited to: - Microcontrollers and microprocessors - Communication devices - Data acquisition systems - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACT125MTR include: - 74HC125: High-Speed CMOS Quad Buffer with 3-State Outputs - SN74LVC125A: Low-Voltage CMOS Quad Buffer with 3-State Outputs - CD4050: Hex Non-Inverting Buffer/Converter

These alternatives can be considered based on specific requirements, such as voltage compatibility, speed, or package type.

In conclusion, the 74ACT125MTR is a versatile integrated circuit belonging to the logic gate family. Its non-inverting buffering and level shifting capabilities make it suitable for various digital applications. With its compact package and tri-state outputs, it offers advantages in terms of integration and signal integrity. However, it has limitations in terms of the number of buffers and voltage range. Understanding its specifications, pin configuration, and working principles allows for effective utilization in different application fields.