Encyclopedia Entry: 74LVC126AD/AUJ

Product Overview

Category

The 74LVC126AD/AUJ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for signal buffering and level shifting purposes.

Characteristics

• Low-voltage CMOS technology
• High-speed operation
• Wide operating voltage range
• Schmitt-trigger inputs for noise immunity
• 3-state outputs for bus-oriented applications

Package

The 74LVC126AD/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 level shifting capabilities in low-voltage digital circuits.

Packaging/Quantity

The 74LVC126AD/AUJ is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100 MHz
• Propagation Delay: 4.2 ns (typical)
• Input Capacitance: 3 pF (typical)

Detailed Pin Configuration

The 74LVC126AD/AUJ has 14 pins arranged as follows:

__ __ OE |1 \/ 14| VCC A |2 13| Y B |3 12| A GND |4 11| B Y |5 10| GND A |6 9| C B |7 8| OE -- --

Functional Features

• Buffering: The IC acts as a buffer, amplifying and stabilizing digital signals.
• Level Shifting: It can shift the voltage levels of input signals to match the requirements of different parts of a circuit.
• Schmitt-trigger Inputs: These inputs provide noise immunity by ensuring a clean transition between logic states.
• 3-State Outputs: The outputs can be put into a high-impedance state, allowing multiple devices to share a common bus.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it suitable for battery-powered devices.
• High-speed operation enables efficient signal processing.
• Wide operating voltage range provides compatibility with various systems.
• Schmitt-trigger inputs enhance noise immunity.
• 3-state outputs facilitate bus-oriented applications.

Disadvantages

• Limited maximum operating frequency compared to some other ICs.
• Relatively small number of pins may restrict its use in complex circuits.

Working Principles

The 74LVC126AD/AUJ operates based on CMOS technology. It utilizes MOSFET transistors to amplify and switch digital signals. The Schmitt-trigger inputs ensure that the output transitions occur at precise voltage thresholds, reducing the impact of noise. The 3-state outputs allow the IC to disconnect from the bus when not actively driving it, preventing conflicts with other devices.

Detailed Application Field Plans

The 74LVC126AD/AUJ finds applications in various fields, including: 1. Microcontroller-based systems 2. Communication devices 3. Industrial automation 4. Consumer electronics 5. Automotive electronics

In microcontroller-based systems, this IC can be used for level shifting between different voltage domains. In communication devices, it helps in buffering and signal conditioning. In industrial automation, it facilitates interfacing between different control modules. In consumer electronics, it enables voltage level adaptation for various peripherals. In automotive electronics, it assists in signal translation and buffering.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC126AD/AUJ are: - SN74LVC126A - MC74LVC126A - CD74LVC126A - HCF74LVC126A

These alternatives can be considered based on specific requirements, availability, and compatibility with existing systems.

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