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74LCX16841MEA

74LCX16841MEA

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics:
    • Low voltage operation
    • High-speed performance
    • Bidirectional translation capability
  • Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic level translation between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • Input Voltage Range (A Port): 0V to VCC_A
  • Input Voltage Range (B Port): 0V to VCC_B
  • Output Voltage Range (A Port): 0V to VCC_A
  • Output Voltage Range (B Port): 0V to VCC_B
  • Maximum Input Current: ±10mA
  • Maximum Output Current: ±24mA
  • Propagation Delay Time: 2.5ns (Max) at 3.3V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCX16841MEA has a total of 48 pins arranged as follows:

  1. OE (Output Enable) A1
  2. I/O1A1
  3. I/O2A1
  4. GND
  5. I/O3A1
  6. I/O4A1
  7. VCC_A
  8. I/O5A1
  9. I/O6A1
  10. I/O7A1
  11. I/O8A1
  12. I/O9A1
  13. I/O10A1
  14. I/O11A1
  15. I/O12A1
  16. I/O13A1
  17. I/O14A1
  18. I/O15A1
  19. I/O16A1
  20. VCC_B
  21. I/O17B1
  22. I/O18B1
  23. I/O19B1
  24. I/O20B1
  25. I/O21B1
  26. I/O22B1
  27. I/O23B1
  28. I/O24B1
  29. GND
  30. I/O25B1
  31. I/O26B1
  32. I/O27B1
  33. I/O28B1
  34. I/O29B1
  35. I/O30B1
  36. I/O31B1
  37. I/O32B1
  38. I/O33B1
  39. I/O34B1
  40. I/O35B1
  41. I/O36B1
  42. I/O37B1
  43. I/O38B1
  44. I/O39B1
  45. I/O40B1
  46. VCC_A
  47. I/O41A1
  48. I/O42A1

Functional Features

  • Bidirectional voltage level translation between two different voltage domains (VCCA and VCCB)
  • Supports voltage translation from 1.65V to 3.6V
  • High-speed operation with a maximum propagation delay of 2.5ns
  • Output enable pin (OE) for controlling the direction of data flow
  • Low power consumption

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Bidirectional translation simplifies interfacing between different voltage domains - High-speed performance enables efficient data transfer - Low power consumption helps in reducing overall system energy requirements

Disadvantages: - Limited to 48-pin TSSOP package, which may not be suitable for all applications - Maximum output current of ±24mA may not be sufficient for certain high-current applications

Working Principles

The 74LCX16841MEA is a logic level translator that enables bidirectional voltage translation between two different voltage domains. It operates by using a combination of MOSFETs and CMOS technology to achieve efficient and reliable voltage conversion. The direction of data flow is controlled by the output enable pin (OE), allowing seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LCX16841MEA can be used in various applications where voltage translation is required. Some potential application fields include:

  1. Microcontrollers and microprocessors interfacing with peripherals operating at different voltage levels.
  2. Communication systems involving multiple voltage domains, such as UART, SPI, or I2C interfaces.
  3. Battery-powered devices requiring low power consumption and efficient voltage translation.
  4. Industrial automation systems where different subsystems operate at different voltage levels.
  5. Automotive electronics, enabling communication between components with varying voltage requirements.

Detailed and Complete

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق 74LCX16841MEA في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of 74LCX16841MEA in technical solutions:

  1. Question: What is the 74LCX16841MEA?
    Answer: The 74LCX16841MEA is a 20-bit buffer/driver with 3-state outputs, designed for low-voltage (2.5V or 3.3V) applications.

  2. Question: What is the maximum operating frequency of the 74LCX16841MEA?
    Answer: The maximum operating frequency of the 74LCX16841MEA is typically around 200 MHz.

  3. Question: Can the 74LCX16841MEA be used as a level shifter?
    Answer: Yes, the 74LCX16841MEA can be used as a level shifter to convert signals between different voltage levels.

  4. Question: What is the input voltage range for the 74LCX16841MEA?
    Answer: The input voltage range for the 74LCX16841MEA is from -0.5V to VCC + 0.5V.

  5. Question: How many output pins does the 74LCX16841MEA have?
    Answer: The 74LCX16841MEA has 20 output pins, each with 3-state functionality.

  6. Question: Can the 74LCX16841MEA drive capacitive loads?
    Answer: Yes, the 74LCX16841MEA can drive capacitive loads up to 50 pF.

  7. Question: What is the power supply voltage range for the 74LCX16841MEA?
    Answer: The power supply voltage range for the 74LCX16841MEA is typically from 2.3V to 3.6V.

  8. Question: Is the 74LCX16841MEA compatible with TTL and CMOS logic levels?
    Answer: Yes, the 74LCX16841MEA is compatible with both TTL and CMOS logic levels.

  9. Question: Can the 74LCX16841MEA be used in high-speed data transmission applications?
    Answer: Yes, the 74LCX16841MEA can be used in high-speed data transmission applications due to its fast propagation delay and low skew characteristics.

  10. Question: Does the 74LCX16841MEA have built-in ESD protection?
    Answer: Yes, the 74LCX16841MEA has built-in ESD protection, making it more robust against electrostatic discharge events.

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