Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
SN74LVTH126D
Ver Detalle Hojas de datos

SN74LVTH126D

Product Overview

Category

SN74LVTH126D belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal buffering and level shifting applications.

Characteristics

  • Low-voltage operation: The SN74LVTH126D operates at a low voltage, typically between 2.7V and 3.6V.
  • High-speed performance: It offers fast switching speeds, making it suitable for high-frequency applications.
  • Tri-state outputs: The IC features tri-state outputs, allowing multiple devices to share a common bus without interference.
  • Schmitt-trigger inputs: The Schmitt-trigger inputs ensure reliable and noise-immune operation.

Package

The SN74LVTH126D is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of SN74LVTH126D lies in its ability to buffer and shift signal levels effectively.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with a quantity of 250 or 3000 units per reel/tube.

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: 3.5ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH126D has a total of 14 pins, which are assigned as follows:

  1. OE (Output Enable) - Active Low
  2. A1 (Input A)
  3. Y1 (Output Y)
  4. GND (Ground)
  5. Y2 (Output Y)
  6. A2 (Input A)
  7. VCC (Power Supply)
  8. B1 (Input B)
  9. Y3 (Output Y)
  10. GND (Ground)
  11. Y4 (Output Y)
  12. B2 (Input B)
  13. OE (Output Enable) - Active Low
  14. VCC (Power Supply)

Functional Features

  • Buffering: The SN74LVTH126D acts as a buffer, amplifying and maintaining the integrity of input signals.
  • Level Shifting: It can shift the voltage levels of input signals to match the requirements of different components or systems.
  • Tri-State Outputs: The tri-state outputs allow for bus sharing and prevent signal interference when multiple devices are connected.

Advantages and Disadvantages

Advantages

  • Low-voltage operation makes it compatible with modern low-power systems.
  • High-speed performance enables its use in high-frequency applications.
  • Tri-state outputs facilitate efficient bus sharing.
  • Schmitt-trigger inputs ensure reliable operation in noisy environments.

Disadvantages

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

Working Principles

The SN74LVTH126D operates by receiving input signals through its A and B pins. These signals are then buffered and amplified before being outputted through the corresponding Y pins. The OE pins control the tri-state outputs, enabling or disabling the transmission of signals. The IC's internal circuitry ensures that the output signals match the input signals in terms of voltage levels and timing.

Detailed Application Field Plans

The SN74LVTH126D finds application in various fields, including:

  1. Communication Systems: It is used for level shifting and buffering in communication interfaces such as UART, SPI, and I2C.
  2. Industrial Automation: The IC is employed in PLCs (Programmable Logic Controllers) and other automation systems for signal conditioning and interfacing.
  3. Automotive Electronics: It is utilized in automotive electronics for level translation and signal buffering in CAN (Controller Area Network) and LIN (Local Interconnect Network) interfaces.
  4. Consumer Electronics: The IC is suitable for use in devices like smartphones, tablets, and gaming consoles, where it helps in voltage level adaptation and signal integrity maintenance.

Detailed and Complete Alternative Models

  1. SN74LVTH126PW - TSSOP package, 14 pins
  2. SN74LVTH126DBR - SSOP package, 14 pins
  3. SN74LVTH126PWR - TSSOP package, 14 pins
  4. SN74LVTH126DGVRE4 - TVSOP package, 14 pins
  5. SN74LVTH126DGVRG4 - TVSOP package, 14 pins

These alternative models offer similar functionality and characteristics to the SN74LVTH126D, providing options for different package preferences or availability.

Word count: 607 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74LVTH126D en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SN74LVTH126D:

  1. Q: What is SN74LVTH126D? A: SN74LVTH126D is a quadruple bus buffer gate with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the voltage supply range for SN74LVTH126D? A: The voltage supply range for SN74LVTH126D is typically between 2.7V and 3.6V.

  3. Q: What is the maximum output current of SN74LVTH126D? A: The maximum output current of SN74LVTH126D is typically around 12mA.

  4. Q: Can SN74LVTH126D be used as a level shifter? A: Yes, SN74LVTH126D can be used as a level shifter to convert signals between different voltage levels.

  5. Q: What is the propagation delay of SN74LVTH126D? A: The propagation delay of SN74LVTH126D is typically around 3.8ns.

  6. Q: Can SN74LVTH126D be used in high-speed applications? A: Yes, SN74LVTH126D is designed for high-speed operation and can be used in applications with fast switching requirements.

  7. Q: Does SN74LVTH126D have internal pull-up or pull-down resistors? A: No, SN74LVTH126D does not have internal pull-up or pull-down resistors. External resistors may be required for proper signal termination.

  8. Q: Can SN74LVTH126D drive capacitive loads? A: Yes, SN74LVTH126D can drive small capacitive loads, but for larger capacitive loads, additional buffering may be required.

  9. Q: Is SN74LVTH126D compatible with other logic families? A: Yes, SN74LVTH126D is compatible with a wide range of logic families, including TTL, CMOS, and LVTTL.

  10. Q: Can SN74LVTH126D be used in bidirectional applications? A: No, SN74LVTH126D is a unidirectional buffer and cannot be used in bidirectional applications without additional circuitry.

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