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SN74AHCT126N
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SN74AHCT126N

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Driver
  • Characteristics: High-speed, CMOS technology
  • Package: DIP (Dual In-line Package)
  • Essence: Quad bus buffer gate with 3-state outputs
  • Packaging/Quantity: Tube packaging, 25 pieces per tube

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: ±8 mA
  • Input Capacitance: 3 pF (typical)

Detailed Pin Configuration

The SN74AHCT126N has a total of 14 pins, which are numbered as follows:

  1. 1A
  2. 1Y
  3. GND
  4. 2A
  5. 2Y
  6. 3A
  7. 3Y
  8. 4A
  9. 4Y
  10. OE (Output Enable)
  11. VCC
  12. NC (No Connection)
  13. NC (No Connection)
  14. GND

Functional Features

  • Quad buffer gate with 3-state outputs
  • High-speed operation due to CMOS technology
  • Wide supply voltage range for compatibility
  • 3-state outputs allow multiple devices to share a common bus
  • Output enable (OE) pin controls the state of the outputs

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - CMOS technology provides low power consumption - 3-state outputs allow for flexible bus sharing

Disadvantages: - Limited output current may restrict use in certain applications - DIP package may not be suitable for space-constrained designs

Working Principles

The SN74AHCT126N is a buffer gate that amplifies and buffers digital signals. It operates using CMOS technology, which allows for high-speed operation and low power consumption. The 3-state outputs enable multiple devices to share a common bus, providing flexibility in system design. The output enable (OE) pin controls the state of the outputs, allowing them to be disabled when not in use.

Detailed Application Field Plans

The SN74AHCT126N can be used in various applications, including:

  1. Microprocessor systems: It can be used to interface between the microprocessor and other peripheral devices, ensuring proper signal levels and data integrity.
  2. Data communication: The buffer gate can be employed in data communication systems to amplify and transmit signals over long distances without loss of quality.
  3. Industrial automation: It can be utilized in control systems to buffer and drive signals between sensors, actuators, and controllers, ensuring reliable operation.

Detailed and Complete Alternative Models

  1. SN74AHCT125N: Similar to SN74AHCT126N, but with tri-state outputs instead of quad.
  2. SN74AHCT240N: Octal buffer/line driver with 3-state outputs.
  3. SN74AHCT541N: Octal buffer/line driver with 3-state outputs and increased output current capability.

These alternative models offer similar functionality and characteristics, providing options based on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74AHCT126N en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SN74AHCT126N in technical solutions:

  1. Q: What is SN74AHCT126N? A: SN74AHCT126N 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 SN74AHCT126N? A: The operating voltage range for SN74AHCT126N is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current that SN74AHCT126N can drive? A: SN74AHCT126N can drive up to 8mA of current per output pin.

  4. Q: Can SN74AHCT126N be used as a level shifter? A: Yes, SN74AHCT126N can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many inputs and outputs does SN74AHCT126N have? A: SN74AHCT126N has four input pins and four output pins.

  6. Q: What is the purpose of the 3-state outputs in SN74AHCT126N? A: The 3-state outputs allow the device to be effectively disconnected from the bus, enabling multiple devices to share the same bus without interference.

  7. Q: Can SN74AHCT126N be used in high-speed applications? A: Yes, SN74AHCT126N is designed for high-speed operation and can be used in applications with fast switching requirements.

  8. Q: Is SN74AHCT126N compatible with TTL logic levels? A: Yes, SN74AHCT126N is compatible with both TTL and CMOS logic levels.

  9. Q: Can SN74AHCT126N be used in both input and output buffer applications? A: Yes, SN74AHCT126N can be used as both an input buffer and an output buffer depending on the application requirements.

  10. Q: Are there any specific precautions to consider when using SN74AHCT126N? A: It is important to ensure that the power supply voltage does not exceed the specified range, and to avoid exceeding the maximum recommended operating temperature to ensure reliable operation of SN74AHCT126N.

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