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SN74BCT8245ANTG4
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SN74BCT8245ANTG4

Product Overview

  • Category: Integrated Circuit
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: High-speed, bidirectional voltage-level translation
  • Package: 24-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: Voltage level shifting and bus transceiving capabilities
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 6ns (typical)
  • Maximum Data Rate: 100MHz

Detailed Pin Configuration

The SN74BCT8245ANTG4 has a total of 24 pins. The pin configuration is as follows:

  1. OE (Output Enable) A
  2. I/O0A (Bidirectional Data I/O) A
  3. I/O1A (Bidirectional Data I/O) A
  4. GND (Ground)
  5. I/O2A (Bidirectional Data I/O) A
  6. I/O3A (Bidirectional Data I/O) A
  7. VCC (Supply Voltage)
  8. DIR (Direction Control)
  9. I/O4A (Bidirectional Data I/O) A
  10. I/O5A (Bidirectional Data I/O) A
  11. I/O6A (Bidirectional Data I/O) A
  12. I/O7A (Bidirectional Data I/O) A
  13. GND (Ground)
  14. I/O7B (Bidirectional Data I/O) B
  15. I/O6B (Bidirectional Data I/O) B
  16. I/O5B (Bidirectional Data I/O) B
  17. I/O4B (Bidirectional Data I/O) B
  18. VCC (Supply Voltage)
  19. I/O3B (Bidirectional Data I/O) B
  20. I/O2B (Bidirectional Data I/O) B
  21. GND (Ground)
  22. I/O1B (Bidirectional Data I/O) B
  23. I/O0B (Bidirectional Data I/O) B
  24. OE (Output Enable) B

Functional Features

  • Bidirectional voltage-level translation between two independent buses
  • Supports mixed-voltage systems
  • High-speed operation with low propagation delay
  • Output enable control for disabling the outputs
  • Direction control for selecting the data flow direction

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels - Supports high-speed data transmission - Provides bidirectional data transfer capability

Disadvantages: - Requires careful consideration of voltage compatibility to prevent damage to connected devices - Limited to a maximum data rate of 100MHz

Working Principles

The SN74BCT8245ANTG4 is designed to facilitate communication between two buses operating at different voltage levels. It utilizes level shifting techniques to translate the logic levels of input signals from one voltage domain to another. The device incorporates bidirectional buffers that allow data to be transmitted in both directions. The output enable and direction control pins provide additional flexibility in controlling the data flow.

Detailed Application Field Plans

The SN74BCT8245ANTG4 can be used in various applications, including:

  1. Mixed-voltage systems: It enables communication between microcontrollers, sensors, and other devices operating at different voltage levels.
  2. Industrial automation: It facilitates data exchange between different modules within a control system.
  3. Communication interfaces: It can be used in UART, SPI, I2C, and other communication protocols to ensure compatibility between devices with different voltage requirements.
  4. Automotive electronics: It allows for communication between various components in a vehicle's electrical system.

Detailed and Complete Alternative Models

  1. SN74LVC4245A: Similar functionality with lower power consumption.
  2. SN74AVC4T245: Four-channel level shifter with higher data rate capability.
  3. SN74HCT245: Octal bus transceiver with TTL-compatible inputs.

These alternative models offer similar features and can be considered based on specific application requirements.

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技術ソリューションにおける SN74BCT8245ANTG4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SN74BCT8245ANTG4 in technical solutions:

  1. Q: What is SN74BCT8245ANTG4? A: SN74BCT8245ANTG4 is a high-speed octal bus transceiver with 3-state outputs, commonly used for bidirectional data transfer between different voltage levels.

  2. Q: What is the operating voltage range of SN74BCT8245ANTG4? A: The operating voltage range of SN74BCT8245ANTG4 is typically between 4.5V and 5.5V.

  3. Q: Can SN74BCT8245ANTG4 be used for level shifting between different voltage domains? A: Yes, SN74BCT8245ANTG4 is specifically designed for level shifting applications, making it suitable for interfacing between different voltage domains.

  4. Q: How many bidirectional channels does SN74BCT8245ANTG4 have? A: SN74BCT8245ANTG4 has 8 bidirectional channels, allowing for simultaneous data transfer in both directions.

  5. Q: What is the maximum data transfer rate supported by SN74BCT8245ANTG4? A: SN74BCT8245ANTG4 supports high-speed data transfer rates up to 100 MHz.

  6. Q: Does SN74BCT8245ANTG4 have built-in protection features? A: Yes, SN74BCT8245ANTG4 includes built-in ESD (Electrostatic Discharge) protection, ensuring robustness against electrostatic events.

  7. Q: Can SN74BCT8245ANTG4 be used in automotive applications? A: Yes, SN74BCT8245ANTG4 is qualified for automotive applications and meets the necessary industry standards.

  8. Q: What is the power supply current consumption of SN74BCT8245ANTG4? A: The power supply current consumption of SN74BCT8245ANTG4 varies depending on the operating conditions, but it typically ranges from 10 mA to 20 mA.

  9. Q: Is SN74BCT8245ANTG4 compatible with other logic families? A: Yes, SN74BCT8245ANTG4 is designed to be compatible with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic families.

  10. Q: Are there any application notes or reference designs available for SN74BCT8245ANTG4? A: Yes, Texas Instruments provides application notes and reference designs that can help in understanding and implementing SN74BCT8245ANTG4 in various technical solutions.

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