Texas Instruments
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SN74AHC125DGVR
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SN74AHC125DGVR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Driver
  • Characteristics: High-Speed, Quad Bus Buffer Gate
  • Package: VSSOP (Very Small Outline Package)
  • Essence: Logic Level Shifter
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • Input Voltage Range: 0 V to VCC
  • Output Voltage Range: 0 V to VCC
  • High-Level Input Voltage: 0.7 x VCC to VCC
  • Low-Level Input Voltage: 0 V to 0.3 x VCC
  • High-Level Output Voltage: 0.9 x VCC to VCC
  • Low-Level Output Voltage: 0 V to 0.1 x VCC
  • Maximum Operating Frequency: 100 MHz
  • Number of Pins: 14

Detailed Pin Configuration

The SN74AHC125DGVR has a total of 14 pins:

  1. Pin 1: Input/Output (IO) 1
  2. Pin 2: Ground (GND)
  3. Pin 3: IO 2
  4. Pin 4: IO 3
  5. Pin 5: IO 4
  6. Pin 6: Enable (EN)
  7. Pin 7: Output Enable (OE)
  8. Pin 8: Ground (GND)
  9. Pin 9: IO 4
  10. Pin 10: IO 3
  11. Pin 11: IO 2
  12. Pin 12: IO 1
  13. Pin 13: Power Supply (VCC)
  14. Pin 14: Ground (GND)

Functional Features

  • Quad bus buffer gate with 3-state outputs
  • High-speed operation, suitable for high-frequency applications
  • Logic level shifting capability for interfacing between different voltage domains
  • Output enable and input/output control for flexible operation

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Logic level shifting capability enables compatibility between different voltage levels - Flexible input/output control enhances versatility in various applications

Disadvantages: - Limited number of pins restricts the number of input/output connections - Requires external components for proper functioning in complex systems

Working Principles

The SN74AHC125DGVR is a quad bus buffer gate that operates as a logic level shifter. It takes input signals from one voltage domain and provides output signals at a different voltage domain. The device uses 3-state outputs, allowing it to be enabled or disabled based on the control signals provided. This enables the device to act as a buffer or driver for data transmission between different parts of a circuit.

Detailed Application Field Plans

The SN74AHC125DGVR can be used in various applications, including:

  1. Microcontroller interfacing: It can be used to interface microcontrollers operating at different voltage levels.
  2. Communication systems: The device can be employed in communication systems to convert signal levels between different modules.
  3. Industrial automation: It finds application in industrial automation systems where logic level shifting is required.
  4. Sensor networks: The SN74AHC125DGVR can be utilized in sensor networks to interface sensors operating at different voltage levels.

Detailed and Complete Alternative Models

  1. SN74AHCT125DGVR: Similar to SN74AHC125DGVR but operates at a lower voltage range (2 V to 5.5 V).
  2. SN74LVC125ADGVR: Offers similar functionality but operates at a lower maximum frequency (50 MHz).

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74AHC125DGVR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74AHC125DGVR:

  1. Q: What is the SN74AHC125DGVR? A: The SN74AHC125DGVR is a quad buffer gate with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for SN74AHC125DGVR? A: The operating voltage range for SN74AHC125DGVR is typically between 2V and 5.5V.

  3. Q: What is the maximum output current of SN74AHC125DGVR? A: The maximum output current of SN74AHC125DGVR is 8mA per channel.

  4. Q: Can I use SN74AHC125DGVR for level shifting applications? A: Yes, SN74AHC125DGVR can be used for level shifting as it supports both 3.3V and 5V logic levels.

  5. Q: How many channels does SN74AHC125DGVR have? A: SN74AHC125DGVR has four independent buffer gates, each with its own input and output.

  6. Q: What is the propagation delay of SN74AHC125DGVR? A: The typical propagation delay of SN74AHC125DGVR is around 5 ns.

  7. Q: Can I connect the outputs of multiple SN74AHC125DGVR devices together? A: Yes, you can connect the outputs of multiple SN74AHC125DGVR devices together as they have 3-state outputs.

  8. Q: Is SN74AHC125DGVR suitable for high-speed applications? A: Yes, SN74AHC125DGVR is suitable for high-speed applications as it has a maximum frequency of 50 MHz.

  9. Q: Can I use SN74AHC125DGVR in both digital and analog circuits? A: No, SN74AHC125DGVR is designed specifically for digital logic applications and may not be suitable for analog circuits.

  10. Q: What is the package type of SN74AHC125DGVR? A: SN74AHC125DGVR comes in a small SOT-23-5 package, which is surface mountable and compact.

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