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SN74AHCT245RGYRG4
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SN74AHCT245RGYRG4

Product Overview

  • Category: Integrated Circuit
  • Use: Level Shifter/Transceiver
  • Characteristics: High-Speed, Non-Inverting, 8-Bit Bidirectional Transceiver
  • Package: 20-VQFN (3.5mm x 4.5mm)
  • Essence: This integrated circuit is designed to shift the voltage levels and enable bidirectional communication between two different logic families.
  • Packaging/Quantity: Available in reels of 2500 units.

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Logic Family: AHCT
  • Number of Channels: 8
  • Input/Output Type: Non-Inverting
  • Data Rate: Up to 100Mbps
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AHCT245RGYRG4 has a total of 20 pins, which are assigned as follows:

  1. OE (Output Enable) - Active Low Output Enable
  2. A1 - Channel 1 Data Input/Output
  3. B1 - Channel 2 Data Input/Output
  4. A2 - Channel 3 Data Input/Output
  5. B2 - Channel 4 Data Input/Output
  6. A3 - Channel 5 Data Input/Output
  7. B3 - Channel 6 Data Input/Output
  8. A4 - Channel 7 Data Input/Output
  9. B4 - Channel 8 Data Input/Output
  10. GND (Ground)
  11. B5 - Channel 8 Data Input/Output
  12. A5 - Channel 7 Data Input/Output
  13. B6 - Channel 6 Data Input/Output
  14. A6 - Channel 5 Data Input/Output
  15. B7 - Channel 4 Data Input/Output
  16. A7 - Channel 3 Data Input/Output
  17. B8 - Channel 2 Data Input/Output
  18. A8 - Channel 1 Data Input/Output
  19. VCC (Supply Voltage)
  20. DIR (Direction Control) - Controls the Direction of Data Flow

Functional Features

  • Bidirectional Data Transfer: Allows data to be transmitted and received in both directions.
  • Level Shifting: Converts voltage levels between different logic families, enabling communication between them.
  • Non-Inverting: Maintains the same logic polarity during data transmission.

Advantages and Disadvantages

Advantages: - High-Speed Operation: Supports data rates up to 100Mbps. - Wide Operating Temperature Range: Can operate in extreme temperature conditions (-40°C to +85°C). - Easy Integration: Available in a compact 20-VQFN package.

Disadvantages: - Limited Supply Voltage Range: Operates within a specific voltage range (4.5V to 5.5V). - Single Package Option: Only available in a 20-VQFN package, limiting flexibility in terms of package options.

Working Principles

The SN74AHCT245RGYRG4 operates by receiving data from one logic family and converting it into a compatible voltage level for another logic family. It uses non-inverting buffers to maintain the same logic polarity during data transmission. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to a specific logic level, the data is either transmitted or received.

Detailed Application Field Plans

The SN74AHCT245RGYRG4 is commonly used in various applications that require voltage level shifting and bidirectional data transfer. Some of the application fields where this integrated circuit finds utility include:

  1. Microcontroller Interfacing: Enables communication between microcontrollers operating at different voltage levels.
  2. Communication Systems: Facilitates data exchange between different logic families in communication systems.
  3. Industrial Automation: Used for level shifting and data transfer in industrial automation equipment.
  4. Automotive Electronics: Enables bidirectional communication between different electronic modules in vehicles.
  5. Consumer Electronics: Utilized in devices that require voltage level conversion, such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

  1. SN74AHCT125RGYRG4: Quad Bus Buffer Gates with 3-State Outputs
  2. SN74AHCT541RGYRG4: Octal Buffer/Line Driver with 3-State Outputs
  3. SN74AHCT595RGYRG4: 8-Bit Shift Registers with 3-State Output Registers
  4. SN74AHCT1G08RGYRG4: Single 2-Input Positive-AND Gate

These alternative models offer similar functionality to the SN74AHCT245RGYRG4 and can be considered as alternatives based on specific application requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN74AHCT245RGYRG4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of SN74AHCT245RGYRG4 in technical solutions:

  1. Q: What is SN74AHCT245RGYRG4? A: SN74AHCT245RGYRG4 is a high-speed octal bus transceiver with 3-state outputs, commonly used for level shifting and voltage translation in digital systems.

  2. Q: What is the operating voltage range of SN74AHCT245RGYRG4? A: SN74AHCT245RGYRG4 operates within a voltage range of 4.5V to 5.5V.

  3. Q: How many bidirectional channels does SN74AHCT245RGYRG4 have? A: SN74AHCT245RGYRG4 has 8 bidirectional channels, allowing data transmission in both directions.

  4. Q: What is the maximum data transfer rate supported by SN74AHCT245RGYRG4? A: SN74AHCT245RGYRG4 supports a maximum data transfer rate of 24 MHz.

  5. Q: Can SN74AHCT245RGYRG4 be used for level shifting between different voltage domains? A: Yes, SN74AHCT245RGYRG4 can be used for level shifting between voltage domains, as long as the voltage levels are within its operating range.

  6. Q: Does SN74AHCT245RGYRG4 have built-in protection features? A: No, SN74AHCT245RGYRG4 does not have built-in protection features. External protection circuitry may be required depending on the application.

  7. Q: Can SN74AHCT245RGYRG4 be used in mixed-voltage systems? A: Yes, SN74AHCT245RGYRG4 can be used in mixed-voltage systems to enable communication between different voltage levels.

  8. Q: What is the output drive capability of SN74AHCT245RGYRG4? A: SN74AHCT245RGYRG4 has a typical output drive capability of ±24 mA, allowing it to drive moderate loads.

  9. Q: Can SN74AHCT245RGYRG4 be used for level shifting in I2C or SPI interfaces? A: Yes, SN74AHCT245RGYRG4 can be used for level shifting in I2C or SPI interfaces to ensure proper communication between devices operating at different voltage levels.

  10. Q: Is SN74AHCT245RGYRG4 compatible with other logic families? A: Yes, SN74AHCT245RGYRG4 is compatible with a wide range of logic families, including TTL, CMOS, and LVTTL.

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 the manufacturer for detailed information.