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74LVC8T245RHLRG4
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74LVC8T245RHLRG4

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Voltage Translator
  • Characteristics: Low-voltage CMOS 8-bit bus transceiver with 3-state outputs
  • Package: VQFN-48
  • Essence: This IC is designed to shift the logic levels between two different voltage domains, allowing communication between devices operating at different voltage levels.
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-level Input Voltage: 0.7 x VCC to VCC + 0.3V
  • Low-level Input Voltage: -0.3V to 0.3V
  • High-level Output Voltage: VCC - 0.3V
  • Low-level Output Voltage: 0.3V
  • Maximum Operating Frequency: 400 MHz
  • Number of Channels: 8
  • Input/Output Type: Tri-State

Detailed Pin Configuration

The 74LVC8T245RHLRG4 has a total of 48 pins. The pin configuration is as follows:

  1. OE (Output Enable) 1
  2. A1 (Data Input/Output) 1
  3. B1 (Data Input/Output) 1
  4. GND (Ground)
  5. B2 (Data Input/Output) 2
  6. A2 (Data Input/Output) 2
  7. VCC (Supply Voltage)
  8. DIR (Direction Control)
  9. OE (Output Enable) 2
  10. A3 (Data Input/Output) 3
  11. B3 (Data Input/Output) 3
  12. GND (Ground)
  13. B4 (Data Input/Output) 4
  14. A4 (Data Input/Output) 4
  15. VCC (Supply Voltage)
  16. DIR (Direction Control)
  17. OE (Output Enable) 3
  18. A5 (Data Input/Output) 5
  19. B5 (Data Input/Output) 5
  20. GND (Ground)
  21. B6 (Data Input/Output) 6
  22. A6 (Data Input/Output) 6
  23. VCC (Supply Voltage)
  24. DIR (Direction Control)
  25. OE (Output Enable) 4
  26. A7 (Data Input/Output) 7
  27. B7 (Data Input/Output) 7
  28. GND (Ground)
  29. B8 (Data Input/Output) 8
  30. A8 (Data Input/Output) 8
  31. VCC (Supply Voltage)
  32. DIR (Direction Control)
  33. GND (Ground)
  34. NC (No Connection)
  35. NC (No Connection)
  36. NC (No Connection)
  37. NC (No Connection)
  38. NC (No Connection)
  39. NC (No Connection)
  40. NC (No Connection)
  41. NC (No Connection)
  42. NC (No Connection)
  43. NC (No Connection)
  44. NC (No Connection)
  45. NC (No Connection)
  46. NC (No Connection)
  47. NC (No Connection)
  48. NC (No Connection)

Functional Features

  • Bidirectional voltage translation between two independent voltage domains.
  • Allows communication between devices operating at different voltage levels.
  • Supports both 3.3V and 5V systems.
  • Provides 3-state outputs for bus-oriented applications.

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices with different voltage levels. - Supports a wide range of supply voltages. - Provides bidirectional data transmission.

Disadvantages: - Requires careful consideration of voltage level compatibility to avoid damage to connected devices. - May introduce additional propagation delay in the signal transmission.

Working Principles

The 74LVC8T245RHLRG4 operates by receiving data from one voltage domain and translating it to the appropriate logic levels of another voltage domain. It uses a combination of level shifters and voltage translators to ensure proper communication between devices operating at different voltage levels. The direction control pin (DIR) determines the direction of data flow, while the output enable pins (OE) allow for tri-state operation.

Detailed Application Field Plans

The 74LVC8T245RHLRG4 is commonly used in various applications where there is a need to interface devices operating at different voltage levels. Some typical application fields include: - Microcontroller interfacing with peripheral devices - Communication interfaces between different voltage domains - Level shifting in mixed-voltage systems - Bus transceivers in industrial automation

Detailed and Complete Alternative Models

  • SN74LVC

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät 74LVC8T245RHLRG4 :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of 74LVC8T245RHLRG4 in technical solutions:

  1. Q: What is the 74LVC8T245RHLRG4? A: The 74LVC8T245RHLRG4 is a bidirectional voltage level translator integrated circuit (IC) that can be used to convert signals between different voltage levels.

  2. Q: What is the operating voltage range of the 74LVC8T245RHLRG4? A: The 74LVC8T245RHLRG4 operates within a voltage range of 1.65V to 5.5V.

  3. Q: How many channels does the 74LVC8T245RHLRG4 have? A: The 74LVC8T245RHLRG4 has 8 bidirectional channels, allowing for simultaneous translation of up to 8 signals.

  4. Q: Can the 74LVC8T245RHLRG4 handle high-speed data transmission? A: Yes, the 74LVC8T245RHLRG4 is designed to support high-speed data transmission with a maximum propagation delay of 6 ns.

  5. Q: What is the maximum current that each channel of the 74LVC8T245RHLRG4 can handle? A: Each channel of the 74LVC8T245RHLRG4 can handle a maximum current of 32 mA.

  6. Q: Is the 74LVC8T245RHLRG4 compatible with both CMOS and TTL logic levels? A: Yes, the 74LVC8T245RHLRG4 is compatible with both CMOS and TTL logic levels, making it versatile for various applications.

  7. Q: Can the 74LVC8T245RHLRG4 be used as a level shifter? A: Yes, the 74LVC8T245RHLRG4 can be used as a bidirectional level shifter to convert signals between different voltage domains.

  8. Q: Does the 74LVC8T245RHLRG4 have built-in ESD protection? A: Yes, the 74LVC8T245RHLRG4 has built-in ESD protection, providing robustness against electrostatic discharge events.

  9. Q: What is the package type of the 74LVC8T245RHLRG4? A: The 74LVC8T245RHLRG4 comes in a small-outline integrated circuit (SOIC) package.

  10. Q: What are some common applications of the 74LVC8T245RHLRG4? A: The 74LVC8T245RHLRG4 is commonly used in applications such as level shifting, signal buffering, bus interfacing, and voltage translation in various electronic systems.

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