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SN74ABT646ADBR
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SN74ABT646ADBR

Product Overview

  • Category: Integrated Circuit
  • Use: Bus Transceiver and Register
  • Characteristics: High-speed, low-power, bidirectional transceiver with 3-state outputs
  • Package: SSOP (Shrink Small Outline Package)
  • Essence: Transfers data between two buses with different voltage levels or protocols
  • Packaging/Quantity: Tape and Reel, 2500 pieces 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: 2.8ns (Max)
  • Output Current: ±12mA
  • Input Capacitance: 4pF (Typ)
  • Output Capacitance: 6pF (Typ)

Detailed Pin Configuration

The SN74ABT646ADBR has a total of 24 pins. The pin configuration is as follows:

  1. OE (Output Enable) 1
  2. A1 (Data Bus A) 1
  3. A2 (Data Bus A) 2
  4. A3 (Data Bus A) 3
  5. A4 (Data Bus A) 4
  6. A5 (Data Bus A) 5
  7. GND (Ground)
  8. B1 (Data Bus B) 1
  9. B2 (Data Bus B) 2
  10. B3 (Data Bus B) 3
  11. B4 (Data Bus B) 4
  12. B5 (Data Bus B) 5
  13. VCC (Supply Voltage)
  14. DIR (Direction Control)
  15. OE (Output Enable) 2
  16. O1 (Data Bus Output) 1
  17. O2 (Data Bus Output) 2
  18. O3 (Data Bus Output) 3
  19. O4 (Data Bus Output) 4
  20. O5 (Data Bus Output) 5
  21. GND (Ground)
  22. NC (No Connection)
  23. NC (No Connection)
  24. VCC (Supply Voltage)

Functional Features

  • Bidirectional data transfer between two buses
  • 3-state outputs for bus isolation
  • Direction control pin for selecting the data flow direction
  • Output enable pins for enabling/disabling the outputs

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Supports bidirectional data transfer - Provides bus isolation with 3-state outputs

Disadvantages: - Limited voltage range (4.5V to 5.5V) - Not suitable for applications requiring higher voltage levels

Working Principles

The SN74ABT646ADBR acts as a bridge between two buses with different voltage levels or protocols. It allows bidirectional data transfer by controlling the direction of data flow using the DIR pin. The output enable pins (OE) can be used to enable or disable the outputs, providing bus isolation when needed.

Detailed Application Field Plans

The SN74ABT646ADBR is commonly used in various applications, including:

  1. Data communication systems
  2. Networking equipment
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

Detailed and Complete Alternative Models

  1. SN74ABT646ADB
  2. SN74ABT646APW
  3. SN74ABT646ANSR
  4. SN74ABT646ADGVR
  5. SN74ABT646ADWR

These alternative models offer similar functionality and characteristics to the SN74ABT646ADBR, providing flexibility in choosing the most suitable option for specific applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74ABT646ADBR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74ABT646ADBR:

  1. Q: What is SN74ABT646ADBR? A: SN74ABT646ADBR is a type of integrated circuit (IC) known as a bus transceiver. It is used for bidirectional data transfer between two buses with different voltage levels.

  2. Q: What is the voltage range supported by SN74ABT646ADBR? A: SN74ABT646ADBR supports a voltage range of 4.5V to 5.5V.

  3. Q: How many bits can SN74ABT646ADBR handle? A: SN74ABT646ADBR can handle 8-bit or 16-bit data transfers, depending on the configuration.

  4. Q: Can SN74ABT646ADBR be used in both parallel and serial communication systems? A: Yes, SN74ABT646ADBR can be used in both parallel and serial communication systems, thanks to its bidirectional capability.

  5. Q: What is the maximum data transfer rate supported by SN74ABT646ADBR? A: SN74ABT646ADBR supports a maximum data transfer rate of 100 MHz.

  6. Q: Does SN74ABT646ADBR have any built-in protection features? A: Yes, SN74ABT646ADBR has built-in ESD (electrostatic discharge) protection to prevent damage from static electricity.

  7. Q: Can SN74ABT646ADBR be used in automotive applications? A: Yes, SN74ABT646ADBR is suitable for automotive applications as it meets the necessary standards and requirements.

  8. Q: What is the power supply requirement for SN74ABT646ADBR? A: SN74ABT646ADBR requires a single power supply voltage of 5V.

  9. Q: Can SN74ABT646ADBR be used in both TTL and CMOS logic systems? A: Yes, SN74ABT646ADBR is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic systems.

  10. Q: Are there any specific precautions to consider when using SN74ABT646ADBR? A: It is important to follow the recommended operating conditions and guidelines provided in the datasheet for proper usage of SN74ABT646ADBR. Additionally, proper decoupling capacitors should be used to ensure stable operation.