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SN74AS867DWR
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SN74AS867DWR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Gate
  • Characteristics: High-speed, low-power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: 16-bit bus transceiver with parity generator/checker
  • 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
  • Propagation Delay Time: 6ns (typical)
  • Output Current: ±24mA
  • Power Dissipation: 500mW (max)

Detailed Pin Configuration

The SN74AS867DWR has a total of 20 pins. The pin configuration is as follows:

  1. A1
  2. B1
  3. A2
  4. B2
  5. A3
  6. B3
  7. A4
  8. B4
  9. A5
  10. B5
  11. A6
  12. B6
  13. A7
  14. B7
  15. A8
  16. B8
  17. GND
  18. OE
  19. P
  20. VCC

Functional Features

  • 16-bit bidirectional data bus
  • Parity generator/checker for error detection
  • High-speed operation for efficient data transfer
  • Low-power consumption for energy efficiency
  • Enable input for controlling the direction of data flow
  • Wide operating temperature range for versatility

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Low-power consumption reduces energy usage - Parity generator/checker ensures error detection - Wide operating temperature range enables usage in various environments

Disadvantages: - Limited to 16-bit data bus - Requires external components for complete functionality

Working Principles

The SN74AS867DWR is a 16-bit bus transceiver with a built-in parity generator/checker. It operates by receiving data on one set of pins (A1-A8) and transmitting it on another set of pins (B1-B8). The direction of data flow is controlled by the OE (Output Enable) pin. The parity generator/checker ensures that the transmitted data has the correct parity bit, allowing for error detection.

Detailed Application Field Plans

The SN74AS867DWR can be used in various applications where high-speed data transfer and error detection are required. Some potential application fields include:

  1. Communication Systems: Used in data communication systems to ensure reliable transmission and error detection.
  2. Industrial Automation: Integrated into industrial automation systems for efficient data exchange between different components.
  3. Automotive Electronics: Employed in automotive electronics for secure and accurate data transfer.
  4. Medical Devices: Utilized in medical devices to guarantee error-free data transmission and enhance patient safety.
  5. Computer Networking: Incorporated into computer networking equipment to facilitate fast and reliable data transfer.

Detailed and Complete Alternative Models

  1. SN74AS867DW: Similar to SN74AS867DWR but without tape and reel packaging.
  2. SN74LS867: Lower power version with similar functionality.
  3. SN74HC867: High-speed CMOS version with improved performance.
  4. SN74F867: Faster TTL version with enhanced speed capabilities.

These alternative models offer similar functionality to the SN74AS867DWR but may have variations in power consumption, speed, or package type.

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技術ソリューションにおける SN74AS867DWR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SN74AS867DWR in technical solutions:

  1. Q: What is SN74AS867DWR? A: SN74AS867DWR is a specific model of integrated circuit (IC) manufactured by Texas Instruments.

  2. Q: What is the purpose of SN74AS867DWR? A: SN74AS867DWR is a 16-bit bus transceiver with parity, which means it can transmit and receive data between two separate buses while also checking for parity errors.

  3. Q: What is the operating voltage range for SN74AS867DWR? A: The operating voltage range for SN74AS867DWR is typically between 4.5V and 5.5V.

  4. Q: Can SN74AS867DWR be used in both digital and analog applications? A: No, SN74AS867DWR is specifically designed for digital applications and is not suitable for analog use.

  5. Q: How many input/output pins does SN74AS867DWR have? A: SN74AS867DWR has a total of 48 pins, including 16 input pins, 16 output pins, and additional control and power pins.

  6. Q: What is the maximum data transfer rate supported by SN74AS867DWR? A: SN74AS867DWR supports a maximum data transfer rate of 25 MHz.

  7. Q: Does SN74AS867DWR have built-in parity error detection and correction? A: Yes, SN74AS867DWR includes built-in parity error detection and correction logic.

  8. Q: Can SN74AS867DWR be used in high-speed communication systems? A: Yes, SN74AS867DWR is designed to be used in high-speed communication systems and can handle data transmission at up to 25 MHz.

  9. Q: What is the temperature range within which SN74AS867DWR can operate? A: SN74AS867DWR can operate within a temperature range of -40°C to +85°C.

  10. Q: Are there any specific precautions to consider when using SN74AS867DWR? A: It is important to follow the manufacturer's guidelines for power supply decoupling, signal integrity, and thermal management to ensure proper operation of SN74AS867DWR.

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