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SN74ABT640DBR

SN74ABT640DBR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Bus Transceiver
  • Characteristics: High-speed, non-inverting, 3-state transceiver
  • Package: SSOP-20
  • Essence: Facilitates bidirectional data transfer between two buses
  • 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
  • Maximum Propagation Delay: 6.5ns
  • Maximum Operating Frequency: 200MHz

Detailed Pin Configuration

The SN74ABT640DBR has a total of 20 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. B5 (Data Bus B) 5
  9. B4 (Data Bus B) 4
  10. B3 (Data Bus B) 3
  11. B2 (Data Bus B) 2
  12. B1 (Data Bus B) 1
  13. DIR (Direction Control)
  14. VCC (Supply Voltage)
  15. B6 (Data Bus B) 6
  16. B7 (Data Bus B) 7
  17. B8 (Data Bus B) 8
  18. B9 (Data Bus B) 9
  19. B10 (Data Bus B) 10
  20. OE (Output Enable) 2

Functional Features

  • Bidirectional data transfer between two buses
  • Non-inverting logic
  • 3-state outputs for bus isolation
  • High-speed operation
  • Low power consumption

Advantages and Disadvantages

Advantages: - Enables efficient data communication between different buses - Supports high-speed data transfer - Provides bus isolation through 3-state outputs - Low power consumption

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

Working Principles

The SN74ABT640DBR is designed to facilitate bidirectional data transfer between two buses. It operates based on the control signal provided by the DIR (Direction Control) pin. When the DIR pin is set to a specific logic level, the data is transferred from one bus to the other in a non-inverting manner. The OE (Output Enable) pins are used to enable or disable the outputs, providing bus isolation when necessary.

Detailed Application Field Plans

The SN74ABT640DBR can be applied in various scenarios where bidirectional data transfer between two buses is required. Some potential application fields include:

  1. Microprocessor systems
  2. Data communication networks
  3. Industrial automation
  4. Automotive electronics
  5. Telecommunications equipment

Detailed and Complete Alternative Models

  1. SN74ABT640DWR - SOIC-20 package variant
  2. SN74ABT640PW - TSSOP-20 package variant
  3. SN74ABT640ADB - SSOP-20 package variant with wider temperature range

These alternative models offer similar functionality and characteristics but may differ in package type or operating temperature range.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von SN74ABT640DBR in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of SN74ABT640DBR in technical solutions:

  1. Question: What is the SN74ABT640DBR?
    Answer: The SN74ABT640DBR is a type of octal bus transceiver with 3-state outputs, designed for use in various digital applications.

  2. Question: What is the maximum operating voltage for the SN74ABT640DBR?
    Answer: The SN74ABT640DBR has a maximum operating voltage of 5.5V.

  3. Question: How many bits can the SN74ABT640DBR handle?
    Answer: The SN74ABT640DBR is an octal transceiver, meaning it can handle 8 bits of data.

  4. Question: Can the SN74ABT640DBR be used for bidirectional communication?
    Answer: Yes, the SN74ABT640DBR supports bidirectional data flow, making it suitable for applications requiring both input and output data transmission.

  5. Question: What is the output current capability of the SN74ABT640DBR?
    Answer: The SN74ABT640DBR has a typical output current capability of ±12mA.

  6. Question: Does the SN74ABT640DBR have internal pull-up or pull-down resistors?
    Answer: No, the SN74ABT640DBR does not have internal pull-up or pull-down resistors. External resistors may be required for proper operation.

  7. Question: Can the SN74ABT640DBR operate at high speeds?
    Answer: Yes, the SN74ABT640DBR is designed for high-speed operation and can support data rates up to 200MHz.

  8. Question: Is the SN74ABT640DBR compatible with TTL logic levels?
    Answer: Yes, the SN74ABT640DBR is compatible with both TTL and CMOS logic levels, making it versatile for various digital systems.

  9. Question: What is the power supply voltage range for the SN74ABT640DBR?
    Answer: The SN74ABT640DBR has a power supply voltage range of 4.5V to 5.5V.

  10. Question: Can the SN74ABT640DBR be used in automotive applications?
    Answer: Yes, the SN74ABT640DBR is suitable for automotive applications as it meets the necessary standards and specifications for automotive electronics.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.