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SN64BCT245NSR
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SN64BCT245NSR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: High-speed, Bidirectional, Non-Inverting
  • Package: 20-pin Small Outline Integrated Circuit (SOIC)
  • Essence: Transfers data between two different voltage domains
  • 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
  • Maximum Operating Frequency: 100 MHz
  • Propagation Delay Time: 6 ns (typical)
  • Output Current: ±24 mA
  • ESD Protection: >2000V (Human Body Model)

Detailed Pin Configuration

  1. OE (Output Enable)
  2. A1 (Data Input/Output)
  3. B1 (Data Input/Output)
  4. GND (Ground)
  5. B2 (Data Input/Output)
  6. A2 (Data Input/Output)
  7. VCC (Supply Voltage)
  8. DIR (Direction Control)
  9. B3 (Data Input/Output)
  10. A3 (Data Input/Output)
  11. B4 (Data Input/Output)
  12. A4 (Data Input/Output)
  13. B5 (Data Input/Output)
  14. A5 (Data Input/Output)
  15. B6 (Data Input/Output)
  16. A6 (Data Input/Output)
  17. B7 (Data Input/Output)
  18. A7 (Data Input/Output)
  19. B8 (Data Input/Output)
  20. A8 (Data Input/Output)

Functional Features

  • Bidirectional data transfer between two voltage domains
  • Non-inverting logic translation
  • High-speed operation up to 100 MHz
  • Output enable control for bus isolation
  • ESD protection for robustness

Advantages and Disadvantages

Advantages: - High-speed data transfer - Bidirectional communication - Non-inverting logic translation - Robust ESD protection

Disadvantages: - Limited voltage range (4.5V to 5.5V) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN64BCT245NSR is a level shifter and bus transceiver IC that allows bidirectional data transfer between two voltage domains. It operates by translating the logic levels of the input signals from one voltage domain to the other, ensuring compatibility between different systems. The non-inverting nature of the device preserves the logical relationship between the input and output signals.

The direction of data flow is controlled by the DIR pin. When DIR is high, data is transferred from the A-side to the B-side, and when DIR is low, data is transferred from the B-side to the A-side. The OE pin enables or disables the outputs, providing bus isolation when needed.

Detailed Application Field Plans

The SN64BCT245NSR is commonly used in various applications where data transfer between different voltage domains is required. Some specific application fields include:

  1. Microcontroller interfacing with external devices operating at different voltage levels.
  2. Communication interfaces between different logic families (e.g., TTL and CMOS).
  3. Level shifting in industrial automation systems.
  4. Data transmission in automotive electronics.
  5. Interface conversion in consumer electronics.

Detailed and Complete Alternative Models

  1. TXB0108PWR: 8-bit Bidirectional Voltage-Level Translator
  2. PCA9306DCUR: Dual Bidirectional I2C Bus and SMBus Voltage-Level Translator
  3. SN74LVC1T45DCKR: Single-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation

These alternative models offer similar functionality and can be used as substitutes for the SN64BCT245NSR in various applications.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN64BCT245NSR trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of SN64BCT245NSR in technical solutions:

  1. Question: What is SN64BCT245NSR?
    Answer: SN64BCT245NSR is a non-inverting octal bus transceiver with 3-state outputs, commonly used for level shifting and signal buffering in digital systems.

  2. Question: What is the operating voltage range of SN64BCT245NSR?
    Answer: SN64BCT245NSR operates within a voltage range of 4.5V to 5.5V.

  3. Question: Can SN64BCT245NSR be used for bidirectional communication?
    Answer: Yes, SN64BCT245NSR supports bidirectional data flow, making it suitable for applications where data needs to be transmitted in both directions.

  4. Question: What is the maximum data transfer rate supported by SN64BCT245NSR?
    Answer: SN64BCT245NSR can handle data transfer rates up to 24 MHz, making it suitable for high-speed applications.

  5. Question: How many channels does SN64BCT245NSR have?
    Answer: SN64BCT245NSR has 8 channels, allowing it to handle multiple data lines simultaneously.

  6. Question: Can SN64BCT245NSR tolerate overvoltage conditions?
    Answer: No, SN64BCT245NSR is not designed to tolerate overvoltage conditions. It is important to ensure that the input voltage remains within the specified range.

  7. Question: Is SN64BCT245NSR compatible with TTL and CMOS logic levels?
    Answer: Yes, SN64BCT245NSR is compatible with both TTL and CMOS logic levels, making it versatile for interfacing with different types of logic circuits.

  8. Question: Can SN64BCT245NSR be used in a mixed-voltage system?
    Answer: Yes, SN64BCT245NSR can be used in mixed-voltage systems as long as the voltage levels are within its specified operating range.

  9. Question: Does SN64BCT245NSR have built-in protection features?
    Answer: SN64BCT245NSR does not have built-in protection features. It is recommended to use external circuitry for ESD protection and voltage clamping if required.

  10. Question: What is the package type of SN64BCT245NSR?
    Answer: SN64BCT245NSR is available in a small-outline integrated circuit (SOIC) package, which is commonly used in electronic applications.

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