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74LVCHR16245AZQLR

74LVCHR16245AZQLR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: High-speed, low-power, bidirectional voltage level translation
  • Package: 48-pin LQFP (Low-profile Quad Flat Package)
  • Essence: Translates signals between different voltage levels in electronic systems
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 100 MHz
  • Number of Channels: 16
  • Logic Family: LV (Low Voltage)
  • Output Drive Capability: ±24 mA
  • ESD Protection: Human Body Model >2000V

Detailed Pin Configuration

The 74LVCHR16245AZQLR 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. OE (Output Enable) 2
  8. VCC (Supply Voltage)
  9. B3 (Data Input/Output) 3
  10. A3 (Data Input/Output) 3
  11. OE (Output Enable) 3
  12. NC (No Connection)
  13. B4 (Data Input/Output) 4
  14. A4 (Data Input/Output) 4
  15. OE (Output Enable) 4
  16. GND (Ground)
  17. B5 (Data Input/Output) 5
  18. A5 (Data Input/Output) 5
  19. OE (Output Enable) 5
  20. VCC (Supply Voltage)
  21. B6 (Data Input/Output) 6
  22. A6 (Data Input/Output) 6
  23. OE (Output Enable) 6
  24. NC (No Connection)
  25. B7 (Data Input/Output) 7
  26. A7 (Data Input/Output) 7
  27. OE (Output Enable) 7
  28. GND (Ground)
  29. B8 (Data Input/Output) 8
  30. A8 (Data Input/Output) 8
  31. OE (Output Enable) 8
  32. VCC (Supply Voltage)
  33. B9 (Data Input/Output) 9
  34. A9 (Data Input/Output) 9
  35. OE (Output Enable) 9
  36. NC (No Connection)
  37. B10 (Data Input/Output) 10
  38. A10 (Data Input/Output) 10
  39. OE (Output Enable) 10
  40. GND (Ground)
  41. B11 (Data Input/Output) 11
  42. A11 (Data Input/Output) 11
  43. OE (Output Enable) 11
  44. VCC (Supply Voltage)
  45. B12 (Data Input/Output) 12
  46. A12 (Data Input/Output) 12
  47. OE (Output Enable) 12
  48. NC (No Connection)

Functional Features

  • Bidirectional voltage level translation between two different voltage domains
  • Supports both unidirectional and bidirectional data flow
  • Output enable control for each channel
  • High-speed operation with minimal propagation delay
  • Low power consumption
  • ESD protection for robustness

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - Wide supply voltage range allows compatibility with various systems - High-speed operation facilitates efficient data transfer - Low power consumption helps conserve energy - ESD protection enhances reliability in harsh environments

Disadvantages: - Limited to 16 channels, may not be suitable for applications requiring a higher number of channels - Not compatible with voltage levels outside the specified range

Working Principles

The 74LVCHR16245AZQLR is designed to translate signals between two voltage domains. It utilizes a combination of level shifting circuitry and bidirectional transceivers to achieve this functionality. The input signals from one domain are converted to the appropriate voltage level and then transmitted to the other domain. Similarly, signals from the second domain are translated to the voltage level compatible with the first domain. The output enable control allows individual channel activation or deactivation as per the system requirements.

Detailed Application Field Plans

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 74LVCHR16245AZQLR dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of 74LVCHR16245AZQLR in technical solutions:

  1. Q: What is the function of the 74LVCHR16245AZQLR? A: The 74LVCHR16245AZQLR is a 16-bit bus transceiver with direction control, used for bidirectional data transfer between different voltage levels.

  2. Q: What voltage levels does the 74LVCHR16245AZQLR support? A: The 74LVCHR16245AZQLR supports voltage translation between 3.3V and 5V systems.

  3. Q: How many channels does the 74LVCHR16245AZQLR have? A: The 74LVCHR16245AZQLR has 16 bidirectional channels.

  4. Q: Can the 74LVCHR16245AZQLR be used for level shifting in I2C communication? A: Yes, the 74LVCHR16245AZQLR can be used for level shifting in I2C communication between 3.3V and 5V devices.

  5. Q: Does the 74LVCHR16245AZQLR require external pull-up resistors for I2C applications? A: Yes, external pull-up resistors are required for I2C applications using the 74LVCHR16245AZQLR.

  6. Q: What is the maximum data rate supported by the 74LVCHR16245AZQLR? A: The 74LVCHR16245AZQLR supports a maximum data rate of 100 Mbps.

  7. Q: Can the 74LVCHR16245AZQLR be used in hot-swapping applications? A: Yes, the 74LVCHR16245AZQLR is designed to support hot-swapping of devices.

  8. Q: What is the power supply voltage range for the 74LVCHR16245AZQLR? A: The 74LVCHR16245AZQLR operates with a power supply voltage range of 1.65V to 5.5V.

  9. Q: Does the 74LVCHR16245AZQLR have built-in ESD protection? A: Yes, the 74LVCHR16245AZQLR has built-in ESD protection up to 2kV.

  10. Q: Can the 74LVCHR16245AZQLR be used in automotive applications? A: Yes, the 74LVCHR16245AZQLR is qualified for automotive applications and meets the AEC-Q100 standard.

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