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SN74BCT8245ANT
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SN74BCT8245ANT

Product Overview

Category

SN74BCT8245ANT belongs to the category of integrated circuits (ICs).

Use

It is primarily used for signal level translation and buffering in digital systems.

Characteristics

  • High-speed CMOS technology
  • Bidirectional voltage-level translation
  • 8-bit wide data paths
  • Non-inverting outputs
  • 3-state outputs
  • Voltage range: 4.5V to 5.5V
  • Operating temperature range: -40°C to 85°C

Package

SN74BCT8245ANT is available in a 24-pin DIP (Dual Inline Package) format.

Essence

The essence of SN74BCT8245ANT lies in its ability to provide bidirectional voltage-level translation, making it suitable for interfacing between devices operating at different voltage levels.

Packaging/Quantity

SN74BCT8245ANT is typically packaged in tubes or reels, with quantities varying based on customer requirements.

Specifications

  • Supply voltage: 4.5V to 5.5V
  • Input voltage high level (VIH): 2.0V to 5.5V
  • Input voltage low level (VIL): -0.5V to 0.8V
  • Output voltage high level (VOH): 2.4V (min)
  • Output voltage low level (VOL): 0.4V (max)
  • Maximum propagation delay time: 10 ns
  • Maximum quiescent current: 80 µA
  • Maximum output current: ±24 mA

Detailed Pin Configuration

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

Functional Features

  • Bidirectional voltage-level translation between two different voltage domains.
  • Non-inverting outputs ensure the same logic polarity as the inputs.
  • 3-state outputs allow multiple devices to share a common bus.

Advantages and Disadvantages

Advantages

  • High-speed operation
  • Wide operating voltage range
  • Non-inverting outputs simplify system design
  • 3-state outputs enable bus sharing

Disadvantages

  • Limited number of data paths (8-bit wide)
  • Requires careful consideration of voltage compatibility between input and output domains

Working Principles

SN74BCT8245ANT operates by receiving data from one voltage domain, translating it to the appropriate voltage level, and then transmitting it to another voltage domain. The direction of data flow is controlled by the DIR and BDIR pins. When the DIR pin is high, data flows from A1-A8 to B1-B8, and when the BDIR pin is high, data flows from B1-B8 to A1-A8.

Detailed Application Field Plans

SN74BCT8245ANT finds applications in various fields, including:

  1. Microcontroller interfacing with different voltage peripherals.
  2. Communication systems involving multiple voltage domains.
  3. Industrial automation systems requiring signal level translation.
  4. Automotive electronics for voltage compatibility between components.

Detailed and Complete Alternative Models

Some alternative models to SN74BCT8245ANT include:

  1. SN74LVC4245A
  2. SN74LVCH245A
  3. SN74AVC4T245
  4. SN74CBT3257

These models offer similar functionality and can be used as alternatives based on specific requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von SN74BCT8245ANT in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of SN74BCT8245ANT in technical solutions:

  1. Q: What is SN74BCT8245ANT? A: SN74BCT8245ANT is a type of octal bus transceiver with 3-state outputs, commonly used in digital systems.

  2. Q: What is the purpose of SN74BCT8245ANT? A: The purpose of SN74BCT8245ANT is to enable bidirectional transfer of data between two buses or systems.

  3. Q: What voltage levels does SN74BCT8245ANT support? A: SN74BCT8245ANT supports TTL-compatible input and output voltage levels, typically ranging from 0V to 5V.

  4. Q: How many channels does SN74BCT8245ANT have? A: SN74BCT8245ANT has 8 bidirectional channels, allowing for simultaneous data transfer in both directions.

  5. Q: Can SN74BCT8245ANT handle high-speed data transfer? A: Yes, SN74BCT8245ANT is designed to operate at high speeds, making it suitable for applications requiring fast data transfer.

  6. Q: Does SN74BCT8245ANT have any built-in protection features? A: Yes, SN74BCT8245ANT includes built-in ESD (electrostatic discharge) protection to safeguard against static electricity damage.

  7. Q: Can SN74BCT8245ANT be used in multi-voltage level systems? A: Yes, SN74BCT8245ANT can be used in multi-voltage level systems as long as the voltage levels are within its specified range.

  8. Q: How do I control the direction of data transfer with SN74BCT8245ANT? A: The direction of data transfer is controlled by the DIR (direction) pin. Setting it high or low determines the direction.

  9. Q: Can I connect multiple SN74BCT8245ANT devices together? A: Yes, multiple SN74BCT8245ANT devices can be connected together to expand the number of bidirectional channels.

  10. Q: What are some typical applications for SN74BCT8245ANT? A: SN74BCT8245ANT is commonly used in applications such as data communication systems, memory interfacing, and bus buffering.

Please note that these answers are general and may vary depending on specific use cases and requirements.