Encyclopedia Entry: 74LVC126ADB,112

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate Buffer/Driver
• Characteristics: Low Voltage CMOS Quad Buffer with 3-State Outputs
• Package: SOIC-14
• Essence: The 74LVC126ADB,112 is a quad buffer with 3-state outputs designed for low voltage applications.

Packaging/Quantity

The 74LVC126ADB,112 is available in a Small Outline Integrated Circuit (SOIC) package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.8V
• High-Level Output Voltage: VCC - 0.3V
• Low-Level Output Voltage: 0.3V
• Maximum Operating Frequency: 125 MHz
• Number of Buffers: 4

Detailed Pin Configuration

The 74LVC126ADB,112 has a total of 14 pins arranged as follows:

+---+--+---+ OE1 |1 +--+ 14| VCC A1 |2 13| Y1 B1 |3 12| A2 Y2 |4 74LVC 11| B2 A3 |5 126A 10| Y3 B3 |6 DB,112 9| OE2 Y4 |7 8| GND +----------+

Functional Features

• Quad Buffer: The IC consists of four independent buffers that can be used to amplify and buffer digital signals.
• 3-State Outputs: The outputs of the buffers can be put into a high-impedance state, allowing multiple devices to share a common bus without interference.

Advantages and Disadvantages

Advantages

• Low Voltage Operation: The IC is designed to operate at low voltage levels, making it suitable for battery-powered devices.
• High-Speed Operation: With a maximum operating frequency of 125 MHz, the IC can handle fast digital signals.
• 3-State Outputs: The 3-state outputs provide flexibility in designing systems with shared buses.

Disadvantages

• Limited Buffer Count: The IC only contains four buffers, which may not be sufficient for complex applications requiring a larger number of buffers.
• Single Package Option: The IC is available only in the SOIC-14 package, limiting its compatibility with other package types.

Working Principles

The 74LVC126ADB,112 operates based on Complementary Metal-Oxide-Semiconductor (CMOS) technology. It uses a combination of transistors and logic gates to amplify and buffer digital signals. The 3-state outputs allow the IC to control the flow of data on a shared bus.

Detailed Application Field Plans

The 74LVC126ADB,112 can be used in various applications, including: 1. Microcontrollers: The IC can be used to interface microcontrollers with other digital devices, providing signal buffering and level shifting capabilities. 2. Communication Systems: It can be employed in communication systems to amplify and buffer digital signals between different components. 3. Data Acquisition Systems: The IC can be utilized in data acquisition systems to ensure reliable signal transmission and isolation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC126ADB,112 are: - SN74LVC126A: This IC from Texas Instruments provides quad buffer functionality with 3-state outputs. - MC74VHC126: Manufactured by ON Semiconductor, this IC is another option for quad buffer applications.

In conclusion, the 74LVC126ADB,112 is a low voltage CMOS quad buffer with 3-state outputs. It offers advantages such as low voltage operation, high-speed performance, and 3-state output capability. However, it has limitations in terms of buffer count and package options. The IC finds applications in microcontrollers, communication systems, and data acquisition systems. Alternative models like SN74LVC126A and MC74VHC126 can be considered for similar requirements.