Encyclopedia Entry: 74HCT126D/AUJ

Product Overview

Category

The 74HCT126D/AUJ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for signal buffering and line driving applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL (Transistor-Transistor Logic) inputs
• Schmitt-trigger action on all inputs

Package

The 74HCT126D/AUJ is available in a small outline package (SOIC) with 14 pins.

Essence

The essence of this product lies in its ability to provide reliable signal buffering and line driving capabilities in digital circuits.

Packaging/Quantity

The 74HCT126D/AUJ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Maximum Propagation Delay: 15 ns
• Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

The 74HCT126D/AUJ has 14 pins, numbered as follows:

1. 1A (Input)
2. 1Y (Output)
3. 1OE (Output Enable)
4. GND (Ground)
5. 2OE (Output Enable)
6. 2Y (Output)
7. 2A (Input)
8. NC (No Connection)
9. 3A (Input)
10. 3Y (Output)
11. 3OE (Output Enable)
12. VCC (Supply Voltage)
13. 4OE (Output Enable)
14. 4Y (Output)

Functional Features

• Quad buffer/line driver with 3-state outputs
• High-speed operation allows for efficient signal transmission
• Schmitt-trigger action ensures noise immunity and reliable signal processing
• Output enable control for flexible usage in various applications

Advantages and Disadvantages

Advantages

• Wide operating voltage range enables compatibility with different digital systems
• Low power consumption contributes to energy efficiency
• Schmitt-trigger action enhances noise immunity, ensuring accurate signal processing

Disadvantages

• Limited number of output pins may restrict the complexity of circuit designs
• Propagation delay may affect real-time applications requiring immediate response

Working Principles

The 74HCT126D/AUJ operates as a quad buffer/line driver. It receives input signals from the A inputs and amplifies them to provide buffered outputs at the Y pins. The output enable (OE) pins control the state of the outputs, allowing for three-state operation. When the OE pin is low, the outputs are active; when high, the outputs are in a high-impedance state.

Detailed Application Field Plans

The 74HCT126D/AUJ finds application in various digital systems, including but not limited to: - Microcontrollers - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HCT126D/AUJ include: - SN74HCT126N by Texas Instruments - MC74HCT126AN by ON Semiconductor - CD74HCT126E by Texas Instruments - 74HCT126PW by NXP Semiconductors

These alternatives can be considered based on specific requirements and availability.

In conclusion, the 74HCT126D/AUJ is a versatile integrated circuit used for signal buffering and line driving in digital electronics. Its high-speed operation, low power consumption, and compatibility with TTL inputs make it suitable for various applications. While it offers advantages such as wide operating voltage range and noise immunity, limitations include a limited number of output pins and propagation delay. Understanding its pin configuration, functional features, and alternative models allows for informed usage in different digital systems.