Texas Instruments
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SN74BCT29825DWR

SN74BCT29825DWR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Shifter
  • Characteristics: High-speed, Bi-directional, Voltage-level translation
  • Package: SOIC-20
  • Essence: Logic level shifting between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range (VREF): 0V to VCC
  • Output Voltage Range (VREF): 0V to VCC
  • High-Level Input Voltage (VIH): 2V to VCC + 0.5V
  • Low-Level Input Voltage (VIL): -0.5V to 0.8V
  • High-Level Output Voltage (VOH): VCC - 0.5V
  • Low-Level Output Voltage (VOL): 0.5V
  • Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

  1. OE (Output Enable)
  2. A1 (Input A1)
  3. B1 (Input B1)
  4. GND (Ground)
  5. B2 (Input B2)
  6. A2 (Input A2)
  7. Y1 (Output Y1)
  8. Y2 (Output Y2)
  9. VCC (Supply Voltage)
  10. NC (No Connection)
  11. NC (No Connection)
  12. NC (No Connection)
  13. NC (No Connection)
  14. NC (No Connection)
  15. NC (No Connection)
  16. NC (No Connection)
  17. NC (No Connection)
  18. NC (No Connection)
  19. NC (No Connection)
  20. NC (No Connection)

Functional Features

  • Bi-directional voltage-level translation between two different voltage domains
  • High-speed operation with a maximum frequency of 100MHz
  • Output enable (OE) pin for controlling the direction of data flow
  • Wide supply voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels - High-speed operation suitable for time-critical applications - Bi-directional functionality simplifies system design

Disadvantages: - Limited to voltage translation between specific voltage ranges - Requires careful consideration of input and output voltage levels

Working Principles

The SN74BCT29825DWR is a logic level shifter that facilitates communication between devices operating at different voltage levels. It utilizes a combination of MOSFETs and resistors to achieve bi-directional voltage-level translation. The OE pin controls the direction of data flow, allowing bidirectional communication.

Detailed Application Field Plans

  1. Interfacing between microcontrollers and peripheral devices operating at different voltage levels.
  2. Level shifting in communication protocols such as I2C, SPI, or UART.
  3. Voltage translation in mixed-signal systems where analog and digital components operate at different voltage levels.

Detailed and Complete Alternative Models

  1. TXS0108E: 8-bit Bidirectional Voltage-Level Translator
  2. PCA9306: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
  3. SN74LVC4245A: Octal Bus Transceiver and Voltage-Level Shifter

These alternative models offer similar functionality and can be used as substitutes for the SN74BCT29825DWR in various applications.

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Énumérez 10 questions et réponses courantes liées à l'application de SN74BCT29825DWR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of SN74BCT29825DWR:

  1. Q: What is SN74BCT29825DWR? A: SN74BCT29825DWR is a specific type of integrated circuit (IC) commonly used in technical solutions.

  2. Q: What is the function of SN74BCT29825DWR? A: SN74BCT29825DWR is an 8-bit universal shift/storage register with 3-state outputs. It can perform various functions like parallel-to-serial or serial-to-parallel data conversion, data storage, and shifting operations.

  3. Q: What voltage levels does SN74BCT29825DWR support? A: SN74BCT29825DWR supports a wide range of voltage levels, typically between 4.5V and 5.5V.

  4. Q: How many inputs and outputs does SN74BCT29825DWR have? A: SN74BCT29825DWR has 8 inputs and 8 outputs.

  5. Q: Can SN74BCT29825DWR be cascaded to increase the number of bits? A: Yes, SN74BCT29825DWR can be cascaded to increase the number of bits by connecting the output of one IC to the input of another.

  6. Q: What is the maximum clock frequency supported by SN74BCT29825DWR? A: The maximum clock frequency supported by SN74BCT29825DWR is typically around 40 MHz.

  7. Q: Does SN74BCT29825DWR have built-in protection features? A: Yes, SN74BCT29825DWR has built-in protection features like overvoltage protection and thermal shutdown.

  8. Q: Can SN74BCT29825DWR be used in both digital and analog applications? A: No, SN74BCT29825DWR is primarily designed for digital applications and may not be suitable for analog applications.

  9. Q: What is the power consumption of SN74BCT29825DWR? A: The power consumption of SN74BCT29825DWR depends on various factors like clock frequency, input/output load, and supply voltage. It is typically around a few milliwatts.

  10. Q: Where can I find more information about the application of SN74BCT29825DWR? A: You can refer to the datasheet provided by the manufacturer or consult technical documentation and application notes available online for detailed information about the application of SN74BCT29825DWR.