Encyclopedia Entry: 74AHCT126D/AUJ

Product Overview

Category

The 74AHCT126D/AUJ belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Schmitt-trigger inputs for noise immunity
• Balanced propagation delays
• Symmetrical output impedance

Package

The 74AHCT126D/AUJ is available in a small-outline integrated circuit (SOIC) package.

Essence

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

Packaging/Quantity

The 74AHCT126D/AUJ is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

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
• Input Capacitance: 3.5pF (typical)
• Output Capacitance: 6pF (typical)
• Propagation Delay: 7ns (typical)

Detailed Pin Configuration

The 74AHCT126D/AUJ has a total of 14 pins, which are labeled as follows:

1. 1A
2. 1Y
3. 1OE
4. GND
5. 2OE
6. 2Y
7. 2A
8. VCC
9. 3A
10. 3Y
11. 3OE
12. GND
13. 4OE
14. 4Y

Functional Features

• Quad 3-state non-inverting buffer
• High-speed CMOS technology
• Schmitt-trigger inputs for improved noise immunity
• Output enable control for easy interfacing with other devices
• Balanced propagation delays for synchronized signal transmission

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Low power consumption helps in reducing energy usage.
• Wide operating voltage range ensures compatibility with various systems.
• Schmitt-trigger inputs provide excellent noise immunity.
• Symmetrical output impedance simplifies circuit design.

Disadvantages

• Limited number of input/output channels (4 in this case).
• May require additional components for complex applications.
• Not suitable for high-voltage applications.

Working Principles

The 74AHCT126D/AUJ operates based on the principles of CMOS technology. It acts as a buffer, amplifying and driving digital signals while maintaining their integrity. The Schmitt-trigger inputs ensure reliable signal reception by providing hysteresis and noise rejection. The output enable control allows for easy interfacing with other devices, enabling efficient signal transmission.

Detailed Application Field Plans

The 74AHCT126D/AUJ finds extensive use in various digital electronic systems, including but not limited to: - Microcontrollers - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

In microcontroller applications, this IC can be used for level shifting, signal buffering, and interfacing with peripheral devices. In data communication systems, it aids in signal conditioning and line driving, ensuring reliable data transmission. In industrial automation and automotive electronics, it facilitates control signal generation and interface management. In consumer electronics, it assists in logic level conversion and signal amplification.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74AHCT126D/AUJ include: - SN74AHCT126-Q1 - MC74AHCT126 - CD74AHCT126E - 74HCT126

These alternative models may vary in terms of package type, voltage range, and other specifications. It is important to refer to their respective datasheets for detailed information.

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