Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
SN74F125DR
Ver Detalle Hojas de datos

SN74F125DR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: Quad 3-State Non-Inverting Buffer
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: High-speed CMOS Logic
  • 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
  • Propagation Delay Time: 6 ns (typical)
  • Output Current: ±24 mA
  • Input Capacitance: 3 pF
  • Output Capacitance: 8 pF
  • Power Dissipation: 500 mW

Detailed Pin Configuration

The SN74F125DR has a total of 14 pins, which are assigned as follows:

  1. Pin 1: Output 1 (Y1)
  2. Pin 2: Input 1 (A1)
  3. Pin 3: Enable 1 (G1)
  4. Pin 4: Ground (GND)
  5. Pin 5: Output 2 (Y2)
  6. Pin 6: Input 2 (A2)
  7. Pin 7: Enable 2 (G2)
  8. Pin 8: VCC (+5V)
  9. Pin 9: Output 3 (Y3)
  10. Pin 10: Input 3 (A3)
  11. Pin 11: Enable 3 (G3)
  12. Pin 12: Output 4 (Y4)
  13. Pin 13: Input 4 (A4)
  14. Pin 14: Enable 4 (G4)

Functional Features

  • Quad non-inverting buffer with 3-state outputs
  • High-speed operation suitable for various applications
  • Wide supply voltage range allows compatibility with different systems
  • 3-state outputs provide flexibility in bus-oriented designs
  • Output current capability enables driving of multiple loads

Advantages and Disadvantages

Advantages: - High-speed CMOS logic ensures fast operation - 3-state outputs allow easy interfacing with other devices - Wide supply voltage range enhances compatibility - Compact SOIC package saves board space

Disadvantages: - Limited output current may restrict use in high-current applications - Not suitable for low-voltage systems due to the minimum supply voltage requirement

Working Principles

The SN74F125DR is a quad non-inverting buffer that amplifies and buffers input signals. It operates using high-speed CMOS logic, allowing for fast signal propagation. The 3-state outputs enable the device to be connected to a bus, where multiple devices can share the same communication lines without interference.

Detailed Application Field Plans

The SN74F125DR is commonly used in various applications, including:

  1. Data communication systems: It can be employed as a line driver to amplify and transmit digital signals over long distances.
  2. Microcontroller interfacing: The buffer facilitates communication between microcontrollers and peripheral devices by providing signal amplification and isolation.
  3. Memory systems: It can be utilized to interface memory modules with data buses, ensuring reliable data transfer.
  4. Industrial automation: The buffer aids in connecting sensors, actuators, and control units, enabling efficient communication within automated systems.

Detailed and Complete Alternative Models

  1. SN74F126DR: Similar to SN74F125DR but with 3-state outputs inverted.
  2. SN74F244N: Octal buffer/line driver with 3-state outputs.
  3. SN74F541DW: Octal buffer/line driver with 3-state outputs and increased output current capability.

These alternative models offer similar functionality to the SN74F125DR, providing options for different design requirements.

Word count: 455 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74F125DR en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SN74F125DR in technical solutions:

  1. Q: What is SN74F125DR? A: SN74F125DR is a quad buffer gate with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for SN74F125DR? A: The operating voltage range for SN74F125DR is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current that SN74F125DR can handle? A: SN74F125DR can handle a maximum output current of 24mA per channel.

  4. Q: Can SN74F125DR be used for level shifting applications? A: Yes, SN74F125DR can be used for level shifting as it supports both TTL and CMOS voltage levels.

  5. Q: What is the propagation delay of SN74F125DR? A: The typical propagation delay of SN74F125DR is around 6ns.

  6. Q: Is SN74F125DR suitable for driving capacitive loads? A: Yes, SN74F125DR has a high output drive capability, making it suitable for driving capacitive loads.

  7. Q: Can SN74F125DR be used in bus-oriented systems? A: Yes, SN74F125DR is commonly used in bus-oriented systems due to its 3-state outputs.

  8. Q: Does SN74F125DR have built-in protection against electrostatic discharge (ESD)? A: Yes, SN74F125DR has built-in ESD protection, which helps safeguard the device from damage during handling.

  9. Q: Can SN74F125DR be used in high-speed applications? A: Yes, SN74F125DR is designed for high-speed operation and can be used in various high-frequency applications.

  10. Q: What is the package type of SN74F125DR? A: SN74F125DR is available in a 14-pin SOIC (Small Outline Integrated Circuit) package.

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