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74LCX16821MEA
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74LCX16821MEA

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Device
  • Characteristics: Low Voltage, Fast Operation
  • Package: Surface Mount
  • Essence: 16-Bit Bus Transceiver
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 2.3V to 3.6V
  • Input Voltage: -0.5V to VCC + 0.5V
  • Output Voltage: -0.5V to VCC + 0.5V
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 2.5ns (Max)
  • Output Current: ±24mA

Detailed Pin Configuration

The 74LCX16821MEA has a total of 48 pins. The pin configuration is as follows:

  1. A1
  2. B1
  3. G1
  4. OEAB
  5. C1
  6. D1
  7. E1
  8. F1
  9. H1
  10. VCC
  11. GND
  12. Q1
  13. Q2
  14. Q3
  15. Q4
  16. Q5
  17. Q6
  18. Q7
  19. Q8
  20. Q9
  21. Q10
  22. Q11
  23. Q12
  24. Q13
  25. Q14
  26. Q15
  27. Q16
  28. Q17
  29. Q18
  30. Q19
  31. Q20
  32. Q21
  33. Q22
  34. Q23
  35. Q24
  36. Q25
  37. Q26
  38. Q27
  39. Q28
  40. Q29
  41. Q30
  42. Q31
  43. Q32
  44. G2
  45. OEBA
  46. B2
  47. A2
  48. C2

Functional Features

  • Bidirectional Data Transfer: Allows data to be transmitted in both directions.
  • 3-State Outputs: The outputs can be disabled, allowing multiple devices to share the same bus.
  • Low Voltage Operation: Operates at a low supply voltage, making it suitable for battery-powered applications.
  • Fast Propagation Delay: Provides quick response times for high-speed data transmission.

Advantages and Disadvantages

Advantages: - Low power consumption - Wide operating temperature range - Compact surface mount package - High-speed operation

Disadvantages: - Limited output current capacity - Requires careful handling due to sensitivity to electrostatic discharge (ESD)

Working Principles

The 74LCX16821MEA is a 16-bit bus transceiver that enables bidirectional data transfer between two separate buses. It operates by controlling the direction of data flow using control signals. When the control signal is active, data is transmitted from one bus to the other. The 3-state outputs allow the device to be disabled, effectively disconnecting it from the bus.

Detailed Application Field Plans

The 74LCX16821MEA is commonly used in various applications, including: - Microprocessor-based systems - Data communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LCX16821MEA include: - SN74LVC162821 - MC74LCX162821 - CDCLVC16821 - 74AHC162821

These alternative models provide comparable features and can be used as substitutes depending on specific requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 74LCX16821MEA i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of 74LCX16821MEA in technical solutions:

  1. Q: What is the 74LCX16821MEA? A: The 74LCX16821MEA is a 20-bit universal bus transceiver with 3-state outputs, designed for low-voltage applications.

  2. Q: What is the operating voltage range of the 74LCX16821MEA? A: The 74LCX16821MEA operates within a voltage range of 2.0V to 3.6V.

  3. Q: What is the maximum data transfer rate supported by the 74LCX16821MEA? A: The 74LCX16821MEA supports a maximum data transfer rate of 400Mbps.

  4. Q: Can the 74LCX16821MEA be used in both input and output modes? A: Yes, the 74LCX16821MEA can be used as both an input and output buffer.

  5. Q: How many 74LCX16821MEA devices can be connected together in a system? A: Multiple 74LCX16821MEA devices can be connected together in a system, allowing for expanded bus width.

  6. Q: Does the 74LCX16821MEA support hot insertion? A: Yes, the 74LCX16821MEA supports hot insertion, which means it can be inserted or removed from a live circuit without causing damage.

  7. Q: What is the power supply current consumption of the 74LCX16821MEA? A: The power supply current consumption of the 74LCX16821MEA is typically very low, making it suitable for battery-powered applications.

  8. Q: Can the 74LCX16821MEA handle bidirectional data flow? A: Yes, the 74LCX16821MEA supports bidirectional data flow, allowing for communication in both directions on the bus.

  9. Q: Does the 74LCX16821MEA have built-in ESD protection? A: Yes, the 74LCX16821MEA has built-in ESD protection, which helps safeguard against electrostatic discharge events.

  10. Q: What package options are available for the 74LCX16821MEA? A: The 74LCX16821MEA is available in various package options, such as SOIC, TSSOP, and SSOP, providing flexibility for different PCB layouts and applications.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of the 74LCX16821MEA.