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SN74AS646NT
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SN74AS646NT

Product Overview

Category

SN74AS646NT belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for data bus transceivers in various electronic systems.

Characteristics

  • High-speed operation
  • Bidirectional data transfer capability
  • Wide operating voltage range
  • Low power consumption
  • Robust design for reliable performance

Package

SN74AS646NT is available in a 24-pin plastic dual in-line package (PDIP).

Essence

The essence of SN74AS646NT lies in its ability to facilitate efficient and reliable bidirectional data transfer between two separate data buses.

Packaging/Quantity

SN74AS646NT is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Input/Output Logic Levels: TTL-compatible
  • Maximum Data Transfer Rate: 25 MHz
  • Number of Pins: 24

Detailed Pin Configuration

  1. A0 (Input)
  2. A1 (Input)
  3. A2 (Input)
  4. A3 (Input)
  5. A4 (Input)
  6. A5 (Input)
  7. A6 (Input)
  8. A7 (Input)
  9. DIR (Input)
  10. OE (Input)
  11. B0 (Input/Output)
  12. B1 (Input/Output)
  13. B2 (Input/Output)
  14. B3 (Input/Output)
  15. B4 (Input/Output)
  16. B5 (Input/Output)
  17. B6 (Input/Output)
  18. B7 (Input/Output)
  19. VCC (Power Supply)
  20. GND (Ground)
  21. BDIR (Output)
  22. BOE (Output)
  23. A8 (Input)
  24. A9 (Input)

Functional Features

  • Bidirectional data transfer between two separate data buses
  • Direction control using DIR pin
  • Output enable/disable using OE pin
  • TTL-compatible input/output logic levels
  • High-speed operation for efficient data transfer

Advantages and Disadvantages

Advantages

  • High-speed operation allows for quick data transfer
  • Wide operating voltage range ensures compatibility with various systems
  • Low power consumption for energy-efficient operation
  • Robust design ensures reliable performance in different environments

Disadvantages

  • Limited number of pins may restrict the number of data lines that can be connected
  • May require additional external components for certain applications

Working Principles

SN74AS646NT operates by receiving data from one bus and transmitting it to another bidirectionally. The direction of data transfer is controlled by the DIR pin, while the OE pin enables or disables the output. The IC operates at high speeds, allowing for efficient data transfer between the buses.

Detailed Application Field Plans

SN74AS646NT finds applications in various electronic systems where bidirectional data transfer between separate data buses is required. Some common application fields include:

  1. Microprocessor-based systems
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

Detailed and Complete Alternative Models

  1. SN74ALS646NT
  2. SN74LS646NT
  3. SN74HC646NT
  4. SN74HCT646NT
  5. SN74ACT646NT

These alternative models offer similar functionality and characteristics to SN74AS646NT, but may differ in terms of speed, power consumption, or voltage compatibility.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan SN74AS646NT dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of SN74AS646NT in technical solutions:

  1. Q: What is SN74AS646NT? A: SN74AS646NT is a type of integrated circuit (IC) that functions as a bus transceiver with 3-state outputs.

  2. Q: What is the purpose of SN74AS646NT? A: The purpose of SN74AS646NT is to enable bidirectional data transfer between two buses or systems with different voltage levels.

  3. Q: What voltage levels does SN74AS646NT support? A: SN74AS646NT supports voltage levels ranging from 2V to 6V.

  4. Q: How many bits can SN74AS646NT handle? A: SN74AS646NT can handle up to 8 bits of data.

  5. Q: Can SN74AS646NT be used for level shifting? A: Yes, SN74AS646NT can be used for level shifting as it provides bidirectional voltage translation.

  6. Q: What is the maximum data transfer rate supported by SN74AS646NT? A: SN74AS646NT supports a maximum data transfer rate of 24 MHz.

  7. Q: Does SN74AS646NT have any built-in protection features? A: Yes, SN74AS646NT has built-in ESD (electrostatic discharge) protection to safeguard against static electricity damage.

  8. Q: Can SN74AS646NT be used in both parallel and serial communication systems? A: Yes, SN74AS646NT can be used in both parallel and serial communication systems, depending on the configuration.

  9. Q: Is SN74AS646NT compatible with other ICs and microcontrollers? A: Yes, SN74AS646NT is compatible with various ICs and microcontrollers that operate within its voltage range.

  10. Q: Are there any specific application examples for SN74AS646NT? A: Yes, SN74AS646NT can be used in applications such as data communication between different voltage domains, level shifting in mixed-voltage systems, and interfacing between different logic families.

Please note that these answers are general and may vary depending on the specific requirements and use cases of your technical solution.