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74ALVCH32245BFG
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Encyclopedia Entry: 74ALVCH32245BFG

Product Overview

Category

The 74ALVCH32245BFG belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This product is commonly used for bidirectional data communication between two buses with different voltage levels. It acts as a bridge, allowing data transmission between systems operating at different voltage levels.

Characteristics

  • Bidirectional voltage level translation
  • Supports multiple voltage levels (e.g., 3.3V and 5V)
  • High-speed operation
  • Low power consumption
  • Robust ESD protection

Package

The 74ALVCH32245BFG is available in a standard 48-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of this product lies in its ability to facilitate seamless data transfer between buses operating at different voltage levels, ensuring compatibility and reliable communication.

Packaging/Quantity

The 74ALVCH32245BFG is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range (A Port): -0.5V to VCC + 0.5V
  • Input Voltage Range (B Port): -0.5V to VCC + 0.5V
  • Output Voltage Range (A/B Ports): 0V to VCC
  • Maximum Operating Frequency: XX MHz
  • Maximum Data Rate: XX Mbps
  • Number of Channels: 8

Detailed Pin Configuration

The 74ALVCH32245BFG has a total of 48 pins, which are assigned various functions. The pin configuration is as follows:

  1. Pin 1: A1
  2. Pin 2: B1
  3. Pin 3: GND
  4. Pin 4: B2
  5. Pin 5: A2
  6. Pin 6: OE#
  7. Pin 7: VCC
  8. Pin 8: B3
  9. Pin 9: A3
  10. Pin 10: DIR
  11. Pin 11: B4
  12. Pin 12: A4
  13. Pin 13: GND
  14. Pin 14: B5
  15. Pin 15: A5
  16. Pin 16: VCC
  17. Pin 17: B6
  18. Pin 18: A6
  19. Pin 19: GND
  20. Pin 20: B7
  21. Pin 21: A7
  22. Pin 22: OE#
  23. Pin 23: VCC
  24. Pin 24: B8
  25. Pin 25: A8
  26. Pin 26: DIR
  27. Pin 27: BDIR
  28. Pin 28: GND
  29. Pin 29: B9
  30. Pin 30: A9
  31. Pin 31: VCC
  32. Pin 32: B10
  33. Pin 33: A10
  34. Pin 34: GND
  35. Pin 35: B11
  36. Pin 36: A11
  37. Pin 37: OE#
  38. Pin 38: VCC
  39. Pin 39: B12
  40. Pin 40: A12
  41. Pin 41: DIR
  42. Pin 42: B13
  43. Pin 43: A13
  44. Pin 44: GND
  45. Pin 45: B14
  46. Pin 46: A14
  47. Pin 47: VCC
  48. Pin 48: B15

Functional Features

  • Bidirectional data transfer between two buses with different voltage levels
  • Automatic direction control based on DIR input
  • Output enable (OE#) for disabling the outputs when not in use
  • ESD protection for enhanced reliability
  • High-speed operation for efficient data transmission

Advantages and Disadvantages

Advantages

  • Enables seamless communication between systems operating at different voltage levels
  • Supports multiple voltage levels, providing flexibility in system design
  • Low power consumption, contributing to energy-efficient applications
  • Robust ESD protection ensures reliable operation in harsh environments
  • High-speed operation allows for efficient data transfer

Disadvantages

  • May require additional external components for proper voltage level translation
  • Limited number of channels (8), which may not be sufficient for certain applications requiring a higher channel count

Working Principles

The 74ALVCH32245B

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74ALVCH32245BFG v technických řešeních

Sure! Here are 10 common questions and answers related to the application of 74ALVCH32245BFG in technical solutions:

  1. Q: What is the function of the 74ALVCH32245BFG?

    • A: The 74ALVCH32245BFG is an octal bus transceiver with 3-state outputs. It can be used for bidirectional data transfer between two buses.

  2. Q: What is the maximum operating voltage for the 74ALVCH32245BFG?

    • A: The maximum operating voltage for this device is typically 3.6 volts.

  3. Q: Can I use the 74ALVCH32245BFG in a 5V system?

    • A: No, this device is not designed for use in 5V systems. It is intended for use in low-voltage applications.

  4. Q: What is the output drive strength of the 74ALVCH32245BFG?

    • A: The output drive strength is typically 12mA, which allows it to drive relatively heavy loads.

  5. Q: Can I use this device for level shifting between different voltage domains?

    • A: Yes, the 74ALVCH32245BFG can be used for level shifting between different voltage domains, as long as the voltage levels are within its specified range.

  6. Q: Does the 74ALVCH32245BFG have internal pull-up or pull-down resistors?

    • A: No, this device does not have internal pull-up or pull-down resistors. External resistors may be required if pull-up or pull-down functionality is needed.

  7. Q: What is the propagation delay of the 74ALVCH32245BFG?

    • A: The propagation delay is typically around 3.5 ns, but it can vary depending on the specific operating conditions.

  8. Q: Can I use this device for bi-directional communication between two microcontrollers?

    • A: Yes, the 74ALVCH32245BFG is suitable for bi-directional communication between two microcontrollers or any other digital devices.

  9. Q: What is the power supply voltage range for the 74ALVCH32245BFG?

    • A: The recommended power supply voltage range is typically between 1.65V and 3.6V.

  10. Q: Does the 74ALVCH32245BFG support hot insertion?

    • A: Yes, this device is designed to support hot insertion, allowing it to be connected or disconnected from a live circuit without causing damage.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of the 74ALVCH32245BFG.