Encyclopedia Entry: 74VHCT125AFT

Product Overview

Category

The 74VHCT125AFT belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for signal amplification and buffering purposes.

Characteristics

• The 74VHCT125AFT is a quad buffer/line driver with 3-state outputs.
• It operates at a voltage range of 2.0V to 5.5V, making it compatible with various logic levels.
• This IC offers high-speed performance with a maximum propagation delay of 6ns.
• It has a wide operating temperature range of -40°C to 85°C, ensuring reliability in different environments.

Package

The 74VHCT125AFT is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the 74VHCT125AFT lies in its ability to provide signal buffering and amplification while allowing for three-state output control.

Packaging/Quantity

This IC is typically sold in reels or tubes, with each reel containing approximately 2500 units.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Logic Family: VHCT
• Number of Channels: 4
• Input/Output Type: Tri-State
• Maximum Propagation Delay: 6ns
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The 74VHCT125AFT has a total of 14 pins, which are assigned as follows:

1. GND (Ground)
2. A1 (Input/Output)
3. Y1 (Output)
4. A2 (Input/Output)
5. Y2 (Output)
6. GND (Ground)
7. A3 (Input/Output)
8. Y3 (Output)
9. A4 (Input/Output)
10. Y4 (Output)
11. OE (Output Enable)
12. VCC (Power Supply)
13. NC (No Connection)
14. GND (Ground)

Functional Features

• Quad buffer/line driver: The 74VHCT125AFT can handle four independent input/output signals.
• Three-state outputs: It allows the outputs to be in a high-impedance state, enabling multiple devices to share a common bus.
• High-speed operation: With a maximum propagation delay of 6ns, this IC ensures efficient signal transmission.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various logic levels.
• Three-state outputs enable efficient bus sharing.
• High-speed performance ensures quick signal transmission.

Disadvantages

• Limited number of channels (4) compared to other ICs in the same category.
• Availability may vary depending on the supplier.

Working Principles

The 74VHCT125AFT operates by receiving digital input signals through its input pins (A1, A2, A3, A4). These signals are then buffered and amplified internally. The output pins (Y1, Y2, Y3, Y4) transmit the processed signals. The OE (Output Enable) pin controls the three-state outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The 74VHCT125AFT finds applications in various digital electronic systems, including but not limited to: - Microcontrollers - Data communication devices - Industrial automation systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74VHCT125AFT include: - SN74LVC125A - MC74VHC125 - CD74HCT125

These alternative models can be considered based on specific project requirements, availability, and pricing.

In conclusion, the 74VHCT125AFT is a versatile quad buffer/line driver IC that provides signal buffering and amplification capabilities. Its high-speed performance, wide operating voltage range, and three-state outputs make it suitable for various digital electronic applications. However, it is important to consider alternative models based on specific project needs and availability.