ON Semiconductor
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
74ACT125SC
Lihat Butiran Helaian data

Encyclopedia Entry: 74ACT125SC

Product Overview

Category

The 74ACT125SC belongs to the category of integrated circuits (ICs), specifically in the family of digital logic gates.

Use

This IC is commonly used as a quad buffer/line driver, providing high-speed signal amplification and buffering capabilities.

Characteristics

  • High-speed operation: The 74ACT125SC is designed to operate at high speeds, making it suitable for applications requiring fast signal propagation.
  • Buffering capability: It can drive signals over long distances without significant degradation.
  • Compatibility: The IC is compatible with both TTL and CMOS logic levels, allowing seamless integration into various digital systems.

Package and Quantity

The 74ACT125SC is typically available in a small outline integrated circuit (SOIC) package. It is supplied in reels or tubes, with a standard quantity of 250 units per reel/tube.

Essence

The essence of the 74ACT125SC lies in its ability to amplify and buffer digital signals, ensuring reliable transmission across different components within a digital system.

Packaging/Quantity

The 74ACT125SC is packaged in a small outline integrated circuit (SOIC) package. Each reel or tube contains 250 units of the IC.

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
  • Propagation Delay: 3.8ns (typical)
  • Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74ACT125SC has a total of 14 pins, which are assigned specific functions as follows:

  1. Pin 1: Input Enable (G1)
  2. Pin 2: Input A1
  3. Pin 3: Output Y1
  4. Pin 4: GND (Ground)
  5. Pin 5: Output Y2
  6. Pin 6: Input A2
  7. Pin 7: VCC (Supply Voltage)
  8. Pin 8: Output Y3
  9. Pin 9: Input A3
  10. Pin 10: Input Enable (G2)
  11. Pin 11: Output Y4
  12. Pin 12: GND (Ground)
  13. Pin 13: Output Enable (OE)
  14. Pin 14: Input A4

Functional Features

  • Quad Buffer/Line Driver: The 74ACT125SC consists of four independent buffer/line driver circuits, each capable of driving a single line.
  • High-Speed Operation: With a typical propagation delay of 3.8ns, this IC ensures fast signal transmission within digital systems.
  • Output Enable Control: The OE pin allows the user to enable or disable the outputs, providing flexibility in controlling signal flow.

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient signal propagation.
  • Compatibility with TTL and CMOS logic levels allows for versatile integration.
  • Buffering capability ensures reliable signal transmission over long distances.

Disadvantages

  • Limited number of buffer/line driver circuits (four in total).
  • Requires external control signals for proper functioning.

Working Principles

The 74ACT125SC operates based on the principles of digital logic gates. It amplifies and buffers input signals using internal circuitry, ensuring proper voltage levels and signal integrity. The output state is controlled by the input enable (G) and output enable (OE) pins, allowing for flexible signal routing.

Detailed Application Field Plans

The 74ACT125SC finds applications in various fields, including:

  1. Communication Systems: It is used in signal amplification and buffering stages within communication systems, ensuring reliable transmission of digital signals.
  2. Industrial Automation: The IC can be employed in industrial automation systems for signal conditioning and driving purposes.
  3. Automotive Electronics: It finds use in automotive electronics, such as in-car entertainment systems and control modules, where signal buffering and amplification are required.
  4. Computer Hardware: The 74ACT125SC can be utilized in computer hardware, particularly in data buses and interface circuits, to enhance signal integrity.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACT125SC include:

  1. 74HC125: This IC provides quad buffer/line driver functionality with compatibility for CMOS logic levels.
  2. SN74LS125: It offers quad buffer/line driver capabilities compatible with TTL logic levels.
  3. CD74ACT125: Similar to the 74ACT125SC, this IC operates at high speeds and provides quad buffer/line driver functionality.

These alternative models can be considered based on specific requirements and compatibility with existing systems.

Word count: 607 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 74ACT125SC dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of 74ACT125SC in technical solutions:

  1. Q: What is the 74ACT125SC? A: The 74ACT125SC is a quad buffer/line driver IC (integrated circuit) that can be used to amplify or buffer digital signals.

  2. Q: What is the voltage range supported by the 74ACT125SC? A: The 74ACT125SC supports a voltage range of 2V to 6V, making it compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.

  3. Q: How many buffers/drivers are there in the 74ACT125SC? A: The 74ACT125SC has four independent buffers/drivers, allowing you to handle multiple signals simultaneously.

  4. Q: Can the 74ACT125SC be used for bidirectional communication? A: No, the 74ACT125SC is unidirectional and can only be used for one-way signal amplification or buffering.

  5. Q: What is the maximum output current of the 74ACT125SC? A: The 74ACT125SC can source or sink up to 24mA of current per output pin, making it suitable for driving various loads.

  6. Q: Is the 74ACT125SC tolerant to overvoltage conditions? A: Yes, the 74ACT125SC has built-in protection against overvoltage conditions, which helps safeguard the IC from damage.

  7. Q: Can the 74ACT125SC operate at high frequencies? A: Yes, the 74ACT125SC is designed to operate at high-speeds, making it suitable for applications requiring fast signal propagation.

  8. Q: What is the power supply voltage required for the 74ACT125SC? A: The 74ACT125SC requires a power supply voltage (VCC) between 4.5V and 5.5V for proper operation.

  9. Q: Can the 74ACT125SC be used in automotive applications? A: Yes, the 74ACT125SC is suitable for automotive applications as it can operate within the specified temperature range (-40°C to +85°C).

  10. Q: Are there any alternative ICs to the 74ACT125SC? A: Yes, there are other buffer/line driver ICs available, such as the 74HC125 or 74LS125, which have different voltage ranges and features.

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