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SN74AS648DWRG4

SN74AS648DWRG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Data Bus Transceiver
  • Characteristics: High-speed, bidirectional data transfer, voltage level translation
  • Package: SOIC-20 (Small Outline Integrated Circuit), surface mount
  • Essence: Transfers data between two different voltage domains
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Logic Family: AS Series
  • Number of Channels: 8
  • Data Rate: Up to 100 Mbps
  • Input/Output Voltage Levels: TTL/CMOS Compatible
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. OE (Output Enable)
  2. A0 (Address Bit 0)
  3. A1 (Address Bit 1)
  4. A2 (Address Bit 2)
  5. A3 (Address Bit 3)
  6. DIR (Direction Control)
  7. GND (Ground)
  8. B0 (Bidirectional Data Bit 0)
  9. B1 (Bidirectional Data Bit 1)
  10. B2 (Bidirectional Data Bit 2)
  11. B3 (Bidirectional Data Bit 3)
  12. B4 (Bidirectional Data Bit 4)
  13. B5 (Bidirectional Data Bit 5)
  14. B6 (Bidirectional Data Bit 6)
  15. B7 (Bidirectional Data Bit 7)
  16. VCC (Supply Voltage)
  17. NC (No Connection)
  18. NC (No Connection)
  19. NC (No Connection)
  20. NC (No Connection)

Functional Features

  • Bidirectional data transfer between two voltage domains
  • Automatic direction control based on DIR pin
  • Output enable control for tristate operation
  • TTL/CMOS compatible input/output voltage levels
  • High-speed data transfer up to 100 Mbps

Advantages and Disadvantages

Advantages: - High-speed data transfer capability - Bidirectional communication between different voltage domains - Flexible control options with DIR and OE pins

Disadvantages: - Limited number of channels (8) - Restricted operating temperature range (-40°C to +85°C)

Working Principles

The SN74AS648DWRG4 is a data bus transceiver that facilitates bidirectional data transfer between two voltage domains. It operates by automatically controlling the direction of data flow based on the DIR pin's logic level. The output enable (OE) pin allows tristate operation, enabling multiple devices to share the same bus. The IC supports TTL/CMOS compatible input and output voltage levels, ensuring compatibility with various logic families.

Detailed Application Field Plans

  1. Data communication between microcontrollers operating at different voltage levels.
  2. Interfacing between digital systems with varying voltage requirements.
  3. Level translation in mixed-voltage environments.
  4. Bus communication in industrial automation systems.
  5. Interface design for embedded systems with multiple voltage domains.

Detailed and Complete Alternative Models

  1. SN74LVC4245APW - Octal Bus Transceiver with Voltage-Level Translation
  2. SN74LVCH245ADBR - Octal Bus Transceiver with 3-State Outputs
  3. SN74HCT245N - Octal Bus Transceiver with 3-State Outputs
  4. SN74HC245N - Octal Bus Transceiver with 3-State Outputs
  5. SN74LVC245APW - Octal Bus Transceiver with 3-State Outputs

(Note: These alternative models may have different specifications and pin configurations. Please refer to their respective datasheets for detailed information.)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74AS648DWRG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74AS648DWRG4 in technical solutions:

  1. Q: What is SN74AS648DWRG4? A: SN74AS648DWRG4 is a specific model of a digital multiplexer/demultiplexer integrated circuit (IC) manufactured by Texas Instruments.

  2. Q: What is the purpose of SN74AS648DWRG4? A: SN74AS648DWRG4 is designed to provide multiple input/output selection and routing capabilities in digital systems.

  3. Q: What is the voltage supply range for SN74AS648DWRG4? A: The voltage supply range for SN74AS648DWRG4 is typically between 4.5V and 5.5V.

  4. Q: How many inputs and outputs does SN74AS648DWRG4 have? A: SN74AS648DWRG4 has 8 inputs and 3 outputs.

  5. Q: What is the maximum operating frequency of SN74AS648DWRG4? A: The maximum operating frequency of SN74AS648DWRG4 is typically around 100 MHz.

  6. Q: Can SN74AS648DWRG4 be used as both a multiplexer and a demultiplexer? A: Yes, SN74AS648DWRG4 can function as both a multiplexer and a demultiplexer depending on its configuration.

  7. Q: What is the typical propagation delay of SN74AS648DWRG4? A: The typical propagation delay of SN74AS648DWRG4 is around 9 ns.

  8. Q: Does SN74AS648DWRG4 support bidirectional data flow? A: No, SN74AS648DWRG4 is a unidirectional device and does not support bidirectional data flow.

  9. Q: Can SN74AS648DWRG4 be cascaded to increase the number of inputs/outputs? A: Yes, multiple SN74AS648DWRG4 ICs can be cascaded together to expand the number of inputs/outputs in a system.

  10. Q: What are some common applications for SN74AS648DWRG4? A: SN74AS648DWRG4 is commonly used in digital systems for data routing, bus switching, address decoding, and multiplexing/demultiplexing tasks.

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