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SN74AVC8T245DGVR
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SN74AVC8T245DGVR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Translator
  • Characteristics: Bi-directional voltage level translator with 8-bit wide channels
  • Package: VSSOP (Very Small Outline Package)
  • Essence: Translates signals between different voltage levels in electronic circuits
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: 0V to VCCA + 0.5V
  • Output Voltage Range: 0V to VCCB + 0.5V
  • Operating Temperature Range: -40°C to +85°C
  • Number of Channels: 8
  • Data Rate: Up to 100 Mbps
  • Low Power Consumption: ICC = 10 µA (Max)

Detailed Pin Configuration

The SN74AVC8T245DGVR has a total of 24 pins. The pin configuration is as follows:

  1. OE (Output Enable) 1
  2. A1 (Channel A Control Input 1)
  3. A2 (Channel A Control Input 2)
  4. GND (Ground)
  5. B1 (Channel B Control Input 1)
  6. B2 (Channel B Control Input 2)
  7. VCCA (Voltage Supply for Channel A)
  8. VCCB (Voltage Supply for Channel B)
  9. DIR (Direction Control Input)
  10. NC (No Connection)
  11. I/O1 (Channel A Data Input/Output 1)
  12. I/O2 (Channel A Data Input/Output 2)
  13. I/O3 (Channel A Data Input/Output 3)
  14. I/O4 (Channel A Data Input/Output 4)
  15. I/O5 (Channel A Data Input/Output 5)
  16. I/O6 (Channel A Data Input/Output 6)
  17. I/O7 (Channel A Data Input/Output 7)
  18. I/O8 (Channel A Data Input/Output 8)
  19. VREF (Reference Voltage)
  20. GND (Ground)
  21. I/O9 (Channel B Data Input/Output 1)
  22. I/O10 (Channel B Data Input/Output 2)
  23. I/O11 (Channel B Data Input/Output 3)
  24. I/O12 (Channel B Data Input/Output 4)

Functional Features

  • Bi-directional voltage level translation between two different voltage domains
  • Automatic direction control based on DIR pin input
  • Supports bidirectional data transfer
  • Low power consumption in standby mode
  • ESD protection for all pins

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed data transmission up to 100 Mbps - Small package size enables space-saving designs - Low power consumption extends battery life in portable devices

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring more connections - Not suitable for high-voltage applications

Working Principles

The SN74AVC8T245DGVR is a voltage level translator that allows seamless communication between electronic circuits operating at different voltage levels. It uses a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation.

The direction of data flow is controlled by the DIR pin. When DIR is set to logic low, data is transferred from Channel A to Channel B. Conversely, when DIR is set to logic high, data is transferred from Channel B to Channel A.

The device operates within a specified supply voltage range, translating the input signals to the desired output voltage levels. It also provides ESD protection for all pins, ensuring reliable operation in harsh environments.

Detailed Application Field Plans

The SN74AVC8T245DGVR is widely used in various electronic systems that require voltage level translation. Some of its applications include:

  1. Microcontroller Interfaces: It enables communication between microcontrollers operating at different voltage levels, allowing seamless integration of peripherals and sensors.

  2. Communication Systems: The IC facilitates signal translation in communication systems, such as UART, SPI, and I2C interfaces, enabling compatibility between devices with different voltage requirements.

  3. Battery-Powered Devices: It is suitable for portable devices powered by batteries, where efficient voltage translation is crucial for optimal power consumption and performance.

  4. Industrial Automation: The IC finds application in industrial automation systems, where it helps interface different modules and components operating at different voltage levels.

Detailed and Complete Alternative Models

  1. TXB0108PWR: 8-Bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing
  2. PCA9306DCTR: Dual Bidirectional I2C-Bus and SMBus

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74AVC8T245DGVR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74AVC8T245DGVR in technical solutions:

  1. Q: What is the SN74AVC8T245DGVR? A: The SN74AVC8T245DGVR is a voltage level translator and bus transceiver integrated circuit (IC) that can be used to interface between different voltage domains in a system.

  2. Q: What is the operating voltage range of the SN74AVC8T245DGVR? A: The SN74AVC8T245DGVR operates with a supply voltage range of 1.2V to 3.6V.

  3. Q: How many bidirectional channels does the SN74AVC8T245DGVR have? A: The SN74AVC8T245DGVR has 8 bidirectional channels, allowing for simultaneous translation of up to 8 signals.

  4. Q: What is the maximum data transfer rate supported by the SN74AVC8T245DGVR? A: The SN74AVC8T245DGVR supports data transfer rates up to 100 Mbps.

  5. Q: Can the SN74AVC8T245DGVR be used for level shifting between different logic families? A: Yes, the SN74AVC8T245DGVR can be used for level shifting between different logic families, such as TTL and CMOS.

  6. Q: Does the SN74AVC8T245DGVR have built-in ESD protection? A: Yes, the SN74AVC8T245DGVR has built-in ESD protection, which helps protect against electrostatic discharge events.

  7. Q: Can the SN74AVC8T245DGVR be used in both uni-directional and bi-directional applications? A: Yes, the SN74AVC8T245DGVR can be used in both uni-directional and bi-directional applications, depending on the configuration.

  8. Q: What is the typical propagation delay of the SN74AVC8T245DGVR? A: The typical propagation delay of the SN74AVC8T245DGVR is around 3.5 ns.

  9. Q: Does the SN74AVC8T245DGVR support hot-swapping of signals? A: Yes, the SN74AVC8T245DGVR supports hot-swapping, allowing for the insertion or removal of signals without disrupting the operation of the system.

  10. Q: Can the SN74AVC8T245DGVR be used in automotive applications? A: Yes, the SN74AVC8T245DGVR is qualified for automotive applications and meets the relevant industry standards.

Please note that these answers are general and may vary depending on the specific requirements and use cases. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.