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SN74AHC125QDR
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SN74AHC125QDR

Product Overview

Category

SN74AHC125QDR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a quad bus buffer gate with 3-state outputs.

Characteristics

  • High-speed CMOS technology
  • 3-state outputs
  • Wide operating voltage range: 2 V to 5.5 V
  • Low power consumption
  • Schmitt-trigger inputs for noise immunity
  • Available in a small package size

Package

SN74AHC125QDR is available in a small outline package (SOIC) with a total of 14 pins.

Essence

The essence of SN74AHC125QDR lies in its ability to provide buffering and signal amplification for digital signals, while also allowing for three-state output control.

Packaging/Quantity

SN74AHC125QDR is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • Input Voltage Range: 0 V to VCC
  • Output Voltage Range: 0 V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Quiescent Current: 4 μA
  • Maximum Output Current: ±8 mA

Detailed Pin Configuration

  1. GND (Ground)
  2. A1 (Input A1)
  3. Y1 (Output Y1)
  4. OE (Output Enable)
  5. A2 (Input A2)
  6. Y2 (Output Y2)
  7. VCC (Supply Voltage)
  8. B1 (Input B1)
  9. Y3 (Output Y3)
  10. GND (Ground)
  11. B2 (Input B2)
  12. Y4 (Output Y4)
  13. NC (No Connection)
  14. VCC (Supply Voltage)

Functional Features

  • Quad 3-state buffer gate
  • High-speed operation
  • Low power consumption
  • Schmitt-trigger inputs for noise immunity
  • Output enable control for three-state output

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows for compatibility with various systems.
  • High-speed CMOS technology enables fast signal processing.
  • Low power consumption helps conserve energy.
  • Schmitt-trigger inputs provide noise immunity, ensuring reliable operation.

Disadvantages

  • Limited number of buffer gates in a single IC package.
  • May require additional components for specific applications.

Working Principles

SN74AHC125QDR operates by receiving digital input signals through its A1, A2, B1, and B2 pins. These signals are then buffered and amplified internally. The output signals can be controlled using the OE pin, which enables or disables the three-state outputs (Y1, Y2, Y3, and Y4). The device operates within the specified voltage range and utilizes CMOS technology for efficient signal processing.

Detailed Application Field Plans

SN74AHC125QDR finds application in various fields, including but not limited to: - Digital communication systems - Microcontroller interfacing - Data acquisition systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74AHC125QDR include: - SN74AHC125N - MC74VHC125DT - CD74HCT125E - 74HC125D

These alternative models may have slight variations in specifications and packaging, but they serve the same purpose as SN74AHC125QDR.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74AHC125QDR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74AHC125QDR in technical solutions:

  1. Question: What is the SN74AHC125QDR?
    Answer: The SN74AHC125QDR is a quad buffer gate IC (integrated circuit) that provides four independent buffers with tri-state outputs.

  2. Question: What is the purpose of using the SN74AHC125QDR?
    Answer: The SN74AHC125QDR is commonly used for level shifting, signal buffering, and driving high-current loads in digital circuits.

  3. Question: What is the voltage range supported by the SN74AHC125QDR?
    Answer: The SN74AHC125QDR supports a wide voltage range from 2V to 5.5V, making it compatible with various logic families.

  4. Question: How many inputs and outputs does the SN74AHC125QDR have?
    Answer: The SN74AHC125QDR has four independent input pins and four corresponding output pins.

  5. Question: Can the outputs of the SN74AHC125QDR be disabled?
    Answer: Yes, the outputs of the SN74AHC125QDR can be disabled by using the tri-state feature, which allows the outputs to be in a high-impedance state.

  6. Question: What is the maximum current that the SN74AHC125QDR can drive?
    Answer: The SN74AHC125QDR can drive up to 8mA of current per output pin, making it suitable for driving moderate loads.

  7. Question: Is the SN74AHC125QDR suitable for bidirectional communication?
    Answer: No, the SN74AHC125QDR is unidirectional and can only buffer signals in one direction.

  8. Question: Can the SN74AHC125QDR be used in high-speed applications?
    Answer: Yes, the SN74AHC125QDR has a maximum propagation delay of 7.5ns, making it suitable for many high-speed digital applications.

  9. Question: What is the package type of the SN74AHC125QDR?
    Answer: The SN74AHC125QDR comes in a small outline integrated circuit (SOIC) package with 14 pins.

  10. Question: Are there any special considerations when using the SN74AHC125QDR?
    Answer: It is important to ensure that the power supply voltage and logic levels are within the specified range to avoid damaging the IC. Additionally, proper decoupling capacitors should be used to minimize noise and stabilize the power supply.