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SN74AHCT125PWRG4
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SN74AHCT125PWRG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-Speed, Low-Power, 3-State Outputs
  • Package: TSSOP-14
  • Essence: Quad Bus Buffer Gate with 3-State Outputs
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Input Capacitance: 3.5pF
  • Output Capacitance: 6pF
  • Propagation Delay Time: 7ns
  • Maximum Quiescent Current: 8µA

Detailed Pin Configuration

The SN74AHCT125PWRG4 has a TSSOP-14 package with the following pin configuration:

  1. GND (Ground)
  2. A1 (Input/Output)
  3. Y1 (Output)
  4. A2 (Input/Output)
  5. Y2 (Output)
  6. A3 (Input/Output)
  7. Y3 (Output)
  8. OE (Output Enable)
  9. VCC (Supply Voltage)
  10. Y4 (Output)
  11. A4 (Input/Output)
  12. NC (No Connection)
  13. GND (Ground)
  14. NC (No Connection)

Functional Features

  • Quad bus buffer gate with 3-state outputs
  • High-speed operation, suitable for high-frequency applications
  • Low-power consumption, ideal for battery-powered devices
  • 3-state outputs allow multiple devices to share a common bus
  • Schmitt-trigger inputs provide hysteresis for improved noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low-power consumption prolongs battery life - 3-state outputs facilitate bus sharing in multi-device systems - Schmitt-trigger inputs enhance noise immunity

Disadvantages: - Limited voltage range (4.5V to 5.5V) - TSSOP package may require careful handling during assembly

Working Principles

The SN74AHCT125PWRG4 is a quad bus buffer gate that amplifies and buffers digital signals. It operates as a line driver, ensuring signal integrity and driving capability for high-frequency applications. The 3-state outputs allow the device to be connected to a common bus, enabling multiple devices to share the same communication lines. The Schmitt-trigger inputs provide hysteresis, reducing the impact of noise on the input signals.

Detailed Application Field Plans

The SN74AHCT125PWRG4 is commonly used in various applications, including:

  1. Communication Systems: It can be employed in data transmission systems, such as UART, SPI, and I2C interfaces, to amplify and buffer signals between microcontrollers and peripheral devices.
  2. Industrial Automation: The IC is suitable for industrial control systems, where it ensures reliable signal transmission between sensors, actuators, and programmable logic controllers (PLCs).
  3. Automotive Electronics: It finds application in automotive electronics, providing signal buffering and amplification for various modules, such as engine control units (ECUs), infotainment systems, and advanced driver-assistance systems (ADAS).
  4. Consumer Electronics: The IC is utilized in consumer electronic devices like smartphones, tablets, and gaming consoles, where it helps in signal conditioning and driving capabilities for audio, video, and data interfaces.

Detailed and Complete Alternative Models

  1. SN74AHC125PW: Similar to SN74AHCT125PWRG4, but operates at a wider voltage range of 2V to 5.5V.
  2. SN74LVC125APW: Offers similar functionality with lower power consumption and operates at a voltage range of 1.65V to 5.5V.
  3. SN74LVTH125PW: Provides higher speed operation and operates at a voltage range of 2V to 3.6V.

These alternative models offer similar functionality to the SN74AHCT125PWRG4, catering to different voltage requirements and performance specifications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74AHCT125PWRG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74AHCT125PWRG4 in technical solutions:

  1. Q: What is SN74AHCT125PWRG4? A: SN74AHCT125PWRG4 is a quad bus buffer gate with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for SN74AHCT125PWRG4? A: The operating voltage range for SN74AHCT125PWRG4 is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current that SN74AHCT125PWRG4 can handle? A: SN74AHCT125PWRG4 can handle a maximum output current of 8mA per channel.

  4. Q: Can SN74AHCT125PWRG4 be used as a level shifter? A: Yes, SN74AHCT125PWRG4 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many channels does SN74AHCT125PWRG4 have? A: SN74AHCT125PWRG4 has four independent channels.

  6. Q: What is the propagation delay of SN74AHCT125PWRG4? A: The typical propagation delay of SN74AHCT125PWRG4 is around 7ns.

  7. Q: Can SN74AHCT125PWRG4 be used in high-speed applications? A: Yes, SN74AHCT125PWRG4 can be used in high-speed applications as it has a fast switching speed.

  8. Q: Is SN74AHCT125PWRG4 compatible with TTL and CMOS logic levels? A: Yes, SN74AHCT125PWRG4 is compatible with both TTL and CMOS logic levels.

  9. Q: Can SN74AHCT125PWRG4 be used in automotive applications? A: Yes, SN74AHCT125PWRG4 is qualified for automotive applications and meets the necessary standards.

  10. Q: What is the package type of SN74AHCT125PWRG4? A: SN74AHCT125PWRG4 comes in a TSSOP-14 package.

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