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74ALVCH162831GRG4
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Encyclopedia Entry: 74ALVCH162831GRG4

Product Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-power, bidirectional voltage translation
  • Package: GRG4 (64-pin TQFP)
  • Essence: Translates signals between two different voltage domains
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

The 74ALVCH162831GRG4 is a logic level translator IC designed for bidirectional voltage translation between two different voltage domains. It operates at high speed while consuming low power, making it suitable for various applications.

Key specifications include:

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range (A Port): 0V to VCCA + 0.5V
  • Input Voltage Range (B Port): 0V to VCCB + 0.5V
  • Output Voltage Range (A Port): 0V to VCCA + 0.5V
  • Output Voltage Range (B Port): 0V to VCCB + 0.5V
  • Maximum Data Rate: 400 Mbps
  • Number of Channels: 20

Detailed Pin Configuration

The 74ALVCH162831GRG4 features a 64-pin TQFP package with the following pin configuration:

  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. A9
  18. B9
  19. A10
  20. B10
  21. GND
  22. OEAB
  23. VCCA
  24. VCCB
  25. B11
  26. A11
  27. B12
  28. A12
  29. B13
  30. A13
  31. B14
  32. A14
  33. B15
  34. A15
  35. B16
  36. A16
  37. B17
  38. A17
  39. B18
  40. A18
  41. B19
  42. A19
  43. B20
  44. A20
  45. GND
  46. OEBB
  47. VCCB
  48. VCCA
  49. A21
  50. B21
  51. A22
  52. B22
  53. A23
  54. B23
  55. A24
  56. B24
  57. A25
  58. B25
  59. A26
  60. B26
  61. A27
  62. B27
  63. A28
  64. B28

Functional Features

The 74ALVCH162831GRG4 offers the following functional features:

  • Bidirectional voltage translation between two different voltage domains
  • High-speed operation with a maximum data rate of 400 Mbps
  • Low power consumption for energy-efficient applications
  • Wide supply voltage range (1.2V to 3.6V) for compatibility with various systems
  • 20 channels for simultaneous translation of multiple signals

Advantages and Disadvantages

Advantages of using the 74ALVCH162831GRG4 include:

  • Efficient bidirectional voltage translation
  • High-speed operation
  • Low power consumption
  • Wide supply voltage range

Disadvantages of the 74ALVCH162831GRG4 include:

  • Limited number of channels (20)
  • Requires careful consideration of voltage levels and compatibility

Working Principles

The 74ALVCH162831GRG4 utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. It employs level-shifting techniques to ensure proper signal translation between two different voltage domains.

When an input signal is applied to the A port, the IC translates it to the corresponding voltage level in the B port. Similarly, when an input signal is applied to the B port, it gets translated to the corresponding voltage level in the A port. This bidirectional translation allows seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74ALVCH162831GRG4 finds applications in various fields where voltage translation between different voltage domains is required. Some potential application areas include:

  1. Microcontroller interfacing with different voltage peripherals
  2. Communication systems involving multiple voltage levels
  3. Battery-powered devices requiring efficient voltage translation
  4. Industrial automation systems with mixed voltage components
  5. Consumer electronics with diverse voltage requirements

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 74ALVCH162831GRG4 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of 74ALVCH162831GRG4 in technical solutions:

  1. Q: What is the function of the 74ALVCH162831GRG4? A: The 74ALVCH162831GRG4 is a 20-bit universal bus driver with 3-state outputs.

  2. Q: What is the operating voltage range for this device? A: The operating voltage range for the 74ALVCH162831GRG4 is typically between 1.65V and 3.6V.

  3. Q: How many output pins does this device have? A: The 74ALVCH162831GRG4 has 20 output pins, corresponding to the 20-bit bus it drives.

  4. Q: Can this device be used for bidirectional data transfer? A: No, the 74ALVCH162831GRG4 is a unidirectional bus driver and cannot be used for bidirectional data transfer.

  5. Q: What is the maximum output current that this device can drive? A: The 74ALVCH162831GRG4 can drive up to 24mA of output current per channel.

  6. Q: Is this device compatible with TTL and CMOS logic levels? A: Yes, the 74ALVCH162831GRG4 is compatible with both TTL and CMOS logic levels.

  7. Q: Does this device have any built-in protection features? A: Yes, the 74ALVCH162831GRG4 has built-in ESD protection on all inputs and outputs.

  8. Q: Can I use this device in high-speed applications? A: Yes, the 74ALVCH162831GRG4 is designed for high-speed operation and can support data rates up to 400Mbps.

  9. Q: What is the typical propagation delay of this device? A: The typical propagation delay of the 74ALVCH162831GRG4 is around 3.5ns.

  10. Q: Is this device available in different package options? A: Yes, the 74ALVCH162831GRG4 is available in various package options, such as TSSOP and VFBGA.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74ALVCH162831GRG4.