Texas Instruments
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SN74LVC126AD
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SN74LVC126AD

Product Overview

Category

SN74LVC126AD belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a quad buffer/line driver with 3-state outputs.

Characteristics

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

Package

SN74LVC126AD is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of SN74LVC126AD lies in its ability to provide buffering and line driving functions, allowing multiple devices to communicate effectively.

Packaging/Quantity

SN74LVC126AD is typically packaged in reels or tubes, with a quantity of 250 or 2000 units per reel/tube, respectively.

Specifications

  • Supply Voltage: 1.65V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 4.3ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

SN74LVC126AD consists of 14 pins, each serving a specific function:

  1. GND: Ground pin
  2. A1: Input A1
  3. Y1: Output Y1
  4. A2: Input A2
  5. Y2: Output Y2
  6. OE: Output Enable
  7. Y3: Output Y3
  8. A3: Input A3
  9. Y4: Output Y4
  10. VCC: Positive power supply
  11. B1: Input B1
  12. B2: Input B2
  13. B3: Input B3
  14. B4: Input B4

Functional Features

  • Quad buffer/line driver with 3-state outputs
  • High-speed operation for efficient data transmission
  • Schmitt-trigger inputs provide noise immunity
  • Wide operating voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages

  • Low-voltage CMOS technology ensures low power consumption
  • 3-state outputs enable bus sharing and reduce conflicts
  • Schmitt-trigger inputs enhance noise tolerance

Disadvantages

  • Limited output current may restrict use in high-power applications
  • Propagation delay time may affect real-time data transfer in certain scenarios

Working Principles

SN74LVC126AD operates by receiving input signals from the A1-A3 and B1-B4 pins. These signals are buffered and amplified, and the resulting outputs are available at the Y1-Y4 pins. The OE pin controls the output enable/disable function, allowing the IC to enter a high-impedance state when disabled.

Detailed Application Field Plans

SN74LVC126AD finds applications in various fields, including:

  1. Communication systems
  2. Data processing units
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to SN74LVC126AD include:

  1. SN74LVC125A
  2. SN74LVC244A
  3. SN74LVC573A
  4. SN74LVC4245A
  5. SN74LVC139A

These alternatives offer comparable features and can be used as substitutes based on specific requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de SN74LVC126AD dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of SN74LVC126AD:

  1. Q: What is SN74LVC126AD? A: SN74LVC126AD is a quad buffer/line driver with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the voltage range supported by SN74LVC126AD? A: SN74LVC126AD supports a voltage range from 1.65V to 5.5V.

  3. Q: Can SN74LVC126AD be used for level shifting between different voltage domains? A: Yes, SN74LVC126AD can be used for level shifting between different voltage domains due to its wide voltage range support.

  4. Q: How many buffers/line drivers are there in SN74LVC126AD? A: SN74LVC126AD consists of four independent buffers/line drivers.

  5. Q: What is the maximum output current that SN74LVC126AD can drive? A: SN74LVC126AD can drive up to 32mA of output current per channel.

  6. Q: Is SN74LVC126AD compatible with both CMOS and TTL logic levels? A: Yes, SN74LVC126AD is compatible with both CMOS and TTL logic levels.

  7. Q: Can SN74LVC126AD be used for bus buffering applications? A: Yes, SN74LVC126AD is commonly used for bus buffering applications where multiple devices need to share a common bus.

  8. Q: Does SN74LVC126AD have built-in protection against overvoltage or short circuits? A: Yes, SN74LVC126AD has built-in protection against overvoltage and short circuits, ensuring the safety of the device.

  9. Q: What is the propagation delay of SN74LVC126AD? A: The typical propagation delay of SN74LVC126AD is around 3.5ns.

  10. Q: Can SN74LVC126AD be used in high-speed applications? A: Yes, SN74LVC126AD can be used in high-speed applications as it has a maximum operating frequency of 100MHz.

Please note that these answers are general and may vary depending on specific application requirements.