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SN74LVTH125D

SN74LVTH125D

Product Overview

Category

SN74LVTH125D belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal buffering and level shifting in digital electronic circuits.

Characteristics

  • Low-voltage operation: Operates at a voltage range of 2.7V to 3.6V.
  • High-speed performance: Provides fast switching times, making it suitable for high-frequency applications.
  • Tri-state outputs: Allows multiple devices to share a common bus without interference.
  • Schmitt-trigger inputs: Ensures reliable input signal transitions even in the presence of noise.
  • 3-state outputs: Enables easy connection to other devices without causing conflicts.

Package

SN74LVTH125D is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of SN74LVTH125D lies in its ability to buffer and shift logic levels, ensuring proper signal integrity in digital circuits.

Packaging/Quantity

SN74LVTH125D is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

  • Supply Voltage Range: 2.7V to 3.6V
  • Logic Family: LVTH
  • Number of Channels: 4
  • Input/Output Type: Non-Inverting
  • Output Current: ±12mA
  • Propagation Delay Time: 3.5ns (max)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

SN74LVTH125D consists of 14 pins, each serving a specific function:

  1. OE (Output Enable) - Active low output enable pin.
  2. A1 - Input pin for channel 1.
  3. Y1 - Output pin for channel 1.
  4. GND - Ground reference pin.
  5. Y2 - Output pin for channel 2.
  6. A2 - Input pin for channel 2.
  7. VCC - Positive power supply pin.
  8. B1 - Input pin for channel 1.
  9. Y3 - Output pin for channel 3.
  10. A3 - Input pin for channel 3.
  11. B2 - Input pin for channel 2.
  12. Y4 - Output pin for channel 4.
  13. A4 - Input pin for channel 4.
  14. VCC - Positive power supply pin.

Functional Features

  • Buffering: SN74LVTH125D acts as a buffer, ensuring signal integrity by isolating the input from the output.
  • Level Shifting: It can shift logic levels from one voltage domain to another, allowing compatibility between different parts of a circuit.
  • Tri-State Outputs: The tri-state outputs enable multiple devices to share a common bus without causing conflicts or data corruption.
  • Schmitt-Trigger Inputs: These inputs provide hysteresis, making the IC less susceptible to noise and ensuring reliable signal transitions.

Advantages and Disadvantages

Advantages

  • Low-voltage operation allows for compatibility with modern digital systems.
  • High-speed performance makes it suitable for high-frequency applications.
  • Tri-state outputs facilitate bus sharing and reduce conflicts.
  • Schmitt-trigger inputs ensure reliable signal transitions in noisy environments.

Disadvantages

  • Limited number of channels (4) may not be sufficient for complex circuits requiring more inputs/outputs.
  • Availability and pricing may vary depending on the supplier.

Working Principles

SN74LVTH125D operates based on the principles of CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes MOSFET transistors to control the flow of current and achieve buffering and level shifting functionalities. The IC's internal circuitry ensures proper voltage translation and signal isolation, allowing for seamless integration into digital circuits.

Detailed Application Field Plans

SN74LVTH125D finds applications in various fields, including:

  1. Microcontrollers: It can be used to interface microcontrollers with different voltage levels.
  2. Communication Systems: SN74LVTH125D enables level shifting and buffering in communication interfaces such as UART, SPI, and I2C.
  3. Industrial Automation: It is suitable for signal conditioning and interfacing in industrial automation systems.
  4. Consumer Electronics: The IC can be utilized in devices like smartphones, tablets, and gaming consoles for level shifting and signal buffering.

Detailed and Complete Alternative Models

  1. SN74LVC125A: Similar to SN74LVTH125D, but operates at a lower voltage range (1.65V to 5.5V).
  2. SN74HCT125: A TTL-compatible alternative with higher output current capability.
  3. SN74LV1T125: Single-channel buffer with similar characteristics, suitable for low-power applications.

These alternative models offer similar functionalities to SN74LVTH125D but may have different voltage ranges, package types,

Liste 10 perguntas e respostas comuns relacionadas à aplicação de SN74LVTH125D em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of SN74LVTH125D in technical solutions:

  1. Q: What is SN74LVTH125D? A: SN74LVTH125D is a quad bus buffer gate with 3-state outputs, commonly used for signal buffering and level shifting in digital circuits.

  2. Q: What is the operating voltage range of SN74LVTH125D? A: SN74LVTH125D operates within a voltage range of 2.7V to 3.6V.

  3. Q: What is the maximum output current that SN74LVTH125D can drive? A: SN74LVTH125D can drive up to 12mA of output current per channel.

  4. Q: Can SN74LVTH125D be used for bidirectional level shifting? A: No, SN74LVTH125D is unidirectional and can only shift signals from a lower voltage to a higher voltage.

  5. Q: What is the typical propagation delay of SN74LVTH125D? A: The typical propagation delay of SN74LVTH125D is around 3.5ns.

  6. Q: Can SN74LVTH125D tolerate overvoltage on its inputs? A: Yes, SN74LVTH125D has input voltage tolerance up to 5.5V, making it suitable for mixed-voltage systems.

  7. Q: How many channels does SN74LVTH125D have? A: SN74LVTH125D has four independent channels, each with a separate input and output.

  8. Q: Is SN74LVTH125D compatible with TTL and CMOS logic levels? A: Yes, SN74LVTH125D is compatible with both TTL and CMOS logic levels, making it versatile for various applications.

  9. Q: Can SN74LVTH125D be used in high-speed applications? A: Yes, SN74LVTH125D is designed for high-speed operation and can be used in applications with frequencies up to several hundred megahertz.

  10. Q: What is the package type of SN74LVTH125D? A: SN74LVTH125D 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 and application requirements.