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SN74ABT245BN
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SN74ABT245BN

Product Overview

Category

SN74ABT245BN belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for level shifting and signal buffering in digital systems.

Characteristics

  • High-speed operation
  • Wide voltage range compatibility
  • Bidirectional data transfer capability
  • Low power consumption
  • Robust design for noise immunity

Package

SN74ABT245BN is available in a 20-pin DIP (Dual In-line Package) format.

Essence

The essence of SN74ABT245BN lies in its ability to facilitate seamless communication between devices operating at different voltage levels.

Packaging/Quantity

SN74ABT245BN is typically packaged in tubes or reels, with quantities varying depending on customer requirements.

Specifications

  • Supply Voltage: 2V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Propagation Delay: 6 ns
  • Maximum Output Current: ±32 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)

Functional Features

  • Bidirectional data transfer between two voltage domains
  • Output enable control for disabling the outputs
  • Direction control for selecting the data flow direction

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data transfer
  • Wide voltage range compatibility enables use in various systems
  • Low power consumption contributes to energy efficiency
  • Robust design ensures reliable performance even in noisy environments

Disadvantages

  • Limited number of input/output channels
  • Requires careful consideration of voltage levels to prevent damage

Working Principles

SN74ABT245BN operates by receiving data from one voltage domain, buffering it, and then transmitting it to another voltage domain. The bidirectional nature of the IC allows for seamless communication between devices operating at different voltage levels. The output enable and direction control pins provide additional flexibility in controlling the data flow.

Detailed Application Field Plans

SN74ABT245BN finds applications in various digital systems where level shifting and signal buffering are required. Some common application fields include:

  1. Microcontroller interfacing with peripherals operating at different voltage levels
  2. Communication interfaces between devices with varying voltage requirements
  3. Data acquisition systems involving sensors with different voltage outputs
  4. Industrial automation systems requiring reliable signal transmission across voltage domains

Detailed and Complete Alternative Models

  1. SN74LVC245A: Similar functionality with lower power consumption
  2. SN74HCT245: Higher voltage tolerance with slower speed
  3. SN74LVCH245A: Lower voltage range compatibility with faster speed
  4. SN74ACT245: Higher speed operation with higher power consumption

These alternative models offer similar functionality to SN74ABT245BN but may have different characteristics and specifications, allowing users to choose the most suitable option for their specific requirements.

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10个与SN74ABT245BN在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of SN74ABT245BN:

  1. Q: What is SN74ABT245BN? A: SN74ABT245BN is a bidirectional octal bus transceiver with 3-state outputs, commonly used for level shifting and signal buffering in digital systems.

  2. Q: What is the operating voltage range of SN74ABT245BN? A: The operating voltage range of SN74ABT245BN is typically between 4.5V and 5.5V.

  3. Q: How many data lines can SN74ABT245BN handle? A: SN74ABT245BN can handle 8 data lines, as it is an octal (8-bit) transceiver.

  4. Q: Can SN74ABT245BN be used for both input and output operations? A: Yes, SN74ABT245BN is bidirectional, meaning it can be used for both input and output operations.

  5. Q: What is the maximum data transfer rate supported by SN74ABT245BN? A: SN74ABT245BN supports a maximum data transfer rate of 100 MHz.

  6. Q: Does SN74ABT245BN have built-in protection against bus contention? A: Yes, SN74ABT245BN has built-in bus hold circuitry that prevents bus contention when the output is disabled.

  7. Q: Can SN74ABT245BN be used in mixed-voltage systems? A: Yes, SN74ABT245BN supports level shifting and can be used in mixed-voltage systems.

  8. Q: What is the typical propagation delay of SN74ABT245BN? A: The typical propagation delay of SN74ABT245BN is around 5 ns.

  9. Q: Can SN74ABT245BN drive capacitive loads? A: Yes, SN74ABT245BN can drive capacitive loads up to 50 pF.

  10. Q: Is SN74ABT245BN available in different package options? A: Yes, SN74ABT245BN is available in various package options, such as DIP (Dual In-line Package) and SOIC (Small Outline Integrated Circuit).

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