Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
TXB0304RUTR
Ver Detalle Hojas de datos

TXB0304RUTR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter
  • Characteristics: Bidirectional, Voltage Translation, 4-bit
  • Package: QFN (Quad Flat No-Lead)
  • Essence: Translates voltage levels between different logic families
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage: 1.2V to 3.6V
  • Logic Voltage Levels: 1.2V to 3.6V
  • Data Rate: Up to 100 Mbps
  • Number of Channels: 4
  • Input/Output Compatibility: CMOS, TTL, LVTTL

Detailed Pin Configuration

The TXB0304RUTR has a total of 20 pins, which are distributed as follows:

  • Pin 1: OE (Output Enable)
  • Pin 2: A1 (Channel A Data Input/Output)
  • Pin 3: B1 (Channel B Data Input/Output)
  • Pin 4: VCCA (Channel A Supply Voltage)
  • Pin 5: GND (Ground)
  • Pin 6: VCCB (Channel B Supply Voltage)
  • Pin 7: B2 (Channel B Data Input/Output)
  • Pin 8: A2 (Channel A Data Input/Output)
  • Pins 9-12: NC (No Connection)
  • Pins 13-16: GND (Ground)
  • Pins 17-20: VCCB (Channel B Supply Voltage)

Functional Features

  • Bidirectional voltage translation between two logic families
  • Automatic direction sensing eliminates the need for direction control signals
  • Supports voltage level shifting from 1.2V to 3.6V
  • Provides voltage translation for up to 4 channels simultaneously
  • High-speed data transmission of up to 100 Mbps

Advantages and Disadvantages

Advantages

  • Simplifies interfacing between different logic families
  • Eliminates the need for additional level shifting components
  • Automatic direction sensing simplifies system design
  • Supports high-speed data transmission

Disadvantages

  • Limited to 4-bit voltage translation
  • Requires careful consideration of supply voltage compatibility

Working Principles

The TXB0304RUTR is a bidirectional level shifter that translates voltage levels between two logic families. It automatically senses the direction of data flow and adjusts the voltage translation accordingly. The device operates by utilizing a combination of MOSFETs and control circuitry to achieve efficient and reliable voltage level shifting.

Detailed Application Field Plans

The TXB0304RUTR can be used in various applications where voltage translation between different logic families is required. Some potential application fields include:

  1. Microcontrollers: Facilitates communication between microcontrollers operating at different voltage levels.
  2. Sensor Interfaces: Enables connectivity between sensors and microcontrollers with different logic voltage requirements.
  3. Communication Systems: Allows for voltage translation in communication interfaces such as UART, SPI, and I2C.
  4. Industrial Automation: Supports voltage level shifting in industrial automation systems involving different logic families.

Detailed and Complete Alternative Models

  1. SN74LVC4245A: Octal Bus Transceiver with Voltage Level Shifting
  2. PCA9306: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
  3. TXS0108EPWR: 8-Bit Bidirectional Voltage-Level Translator

These alternative models offer similar functionality and can be considered as alternatives to the TXB0304RUTR.

Word count: 468 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TXB0304RUTR en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TXB0304RUTR in technical solutions:

  1. Q: What is TXB0304RUTR? A: TXB0304RUTR is a bidirectional voltage-level translator IC commonly used for level shifting between different voltage domains.

  2. Q: What is the operating voltage range of TXB0304RUTR? A: The operating voltage range of TXB0304RUTR is typically between 1.2V and 3.6V.

  3. Q: How many channels does TXB0304RUTR have? A: TXB0304RUTR has 4 bidirectional channels, allowing for simultaneous translation of up to 4 signals.

  4. Q: What is the maximum data rate supported by TXB0304RUTR? A: TXB0304RUTR supports data rates up to 100 Mbps, making it suitable for various high-speed communication interfaces.

  5. Q: Can TXB0304RUTR handle level shifting between different voltage levels? A: Yes, TXB0304RUTR can translate signals between different voltage levels, such as 3.3V and 5V.

  6. Q: Does TXB0304RUTR require external pull-up or pull-down resistors? A: No, TXB0304RUTR has built-in pull-up resistors on the A-side and pull-down resistors on the B-side, eliminating the need for external resistors.

  7. Q: Is TXB0304RUTR compatible with I2C and SPI interfaces? A: Yes, TXB0304RUTR is compatible with both I2C and SPI interfaces, making it suitable for level shifting in these communication protocols.

  8. Q: Can TXB0304RUTR be used in bi-directional communication? A: Yes, TXB0304RUTR supports bidirectional communication, allowing data to flow in both directions between the voltage domains.

  9. Q: What is the power supply voltage required for TXB0304RUTR? A: TXB0304RUTR typically operates with a power supply voltage of 1.65V to 3.6V.

  10. Q: Are there any special considerations when using TXB0304RUTR in mixed-voltage systems? A: It is important to ensure that the VCCA and VCCB voltages are within the specified operating range and that the direction control pins (OE) are properly configured for desired translation direction.

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