Encyclopedia Entry: 74VHC126TTR

Product Overview

Category

The 74VHC126TTR belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital logic gates.

Use

This product is commonly used in electronic circuits for signal amplification, buffering, and level shifting purposes. It acts as a quad buffer/line driver with 3-state outputs.

Characteristics

• Voltage Compatibility: The 74VHC126TTR operates at a voltage range of 2.0V to 5.5V, making it suitable for various applications.
• High-Speed Operation: It offers fast switching times, enabling efficient data transmission.
• Low Power Consumption: This IC consumes minimal power, making it energy-efficient.
• Wide Temperature Range: The 74VHC126TTR can operate within a temperature range of -40°C to +125°C, ensuring reliability in different environments.

Package and Quantity

The 74VHC126TTR is available in a TSSOP-14 package, which stands for Thin Shrink Small Outline Package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200 MHz
• Number of Inputs: 4
• Number of Outputs: 4
• Logic Family: VHC

Pin Configuration

The 74VHC126TTR has a total of 14 pins, arranged as follows:

__ __ Y1 -| 1 14 |- VCC Y2 -| 2 13 |- A1 GND -| 3 12 |- A2 A1 -| 4 11 |- Y3 A2 -| 5 10 |- Y4 OE -| 6 9 |- GND Y3 -| 7 8 |- OE ¯¯ ¯¯

Functional Features

• Quad Buffer/Line Driver: The 74VHC126TTR can buffer and amplify signals from four different input lines to four output lines.
• 3-State Outputs: It supports three-state outputs, allowing the outputs to be in a high-impedance state when not enabled.
• High-Speed Operation: This IC offers fast propagation delays and transition times, ensuring efficient signal transmission.

Advantages

• Wide Voltage Compatibility: The 74VHC126TTR can operate within a broad voltage range, making it versatile for various applications.
• Low Power Consumption: It consumes minimal power, contributing to energy efficiency in electronic circuits.
• Compact Package: The TSSOP-14 package provides a compact form factor, suitable for space-constrained designs.
• High-Speed Performance: With fast switching times, this IC enables rapid data transmission.

Disadvantages

• Limited Output Current: The 74VHC126TTR has a relatively low output current capability, which may restrict its use in certain high-current applications.
• Sensitivity to Noise: Like many digital logic gates, this IC is susceptible to noise interference, which may affect its performance in noisy environments.

Working Principles

The 74VHC126TTR operates based on complementary metal-oxide-semiconductor (CMOS) technology. It utilizes transistors to control the flow of current, enabling signal amplification and buffering. The inputs are processed and amplified, and the resulting output signals are transmitted to the corresponding output lines.

Application Field Plans

The 74VHC126TTR finds applications in various electronic systems, including: 1. Microcontrollers and microprocessors 2. Communication devices 3. Data transmission systems 4. Industrial automation equipment 5. Automotive electronics

Alternative Models

For similar functionality, alternative models to the 74VHC126TTR include: - SN74LVC126A: This IC offers similar features and performance but operates at a lower voltage range. - MC74VHC126: Another alternative with comparable characteristics, suitable for various digital logic applications.

In conclusion, the 74VHC126TTR is a versatile integrated circuit used for signal buffering and amplification. Its wide voltage compatibility, low power consumption, and high-speed operation make it suitable for diverse electronic applications. However, its limited output current and sensitivity to noise should be considered when selecting this IC for specific projects.

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