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74LVC821ABQ,115
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74LVC821ABQ,115

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: Low-voltage CMOS device, high-speed operation, wide voltage range compatibility
  • Package: TSSOP-24
  • Essence: Logic level translation between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-level Input Voltage (VIH): 2.3V to VCC + 0.3V
  • Low-level Input Voltage (VIL): -0.3V to 0.8V
  • High-level Output Voltage (VOH): VCC - 0.4V
  • Low-level Output Voltage (VOL): 0.4V
  • Maximum Operating Frequency: 100 MHz
  • Propagation Delay: 3.9 ns (typical)

Detailed Pin Configuration

The 74LVC821ABQ,115 IC has a total of 24 pins arranged as follows:

___________ | | 1 | U1 | 24 |___________|

Pin Description:

  1. A1: Input A1
  2. B1: Input B1
  3. GND: Ground
  4. B2: Input B2
  5. A2: Input A2
  6. OE: Output Enable
  7. Y1: Output Y1
  8. Y2: Output Y2
  9. GND: Ground
  10. VCC: Power Supply
  11. A3: Input A3
  12. B3: Input B3
  13. GND: Ground
  14. B4: Input B4
  15. A4: Input A4
  16. OE: Output Enable
  17. Y3: Output Y3
  18. Y4: Output Y4
  19. GND: Ground
  20. VCC: Power Supply
  21. A5: Input A5
  22. B5: Input B5
  23. GND: Ground
  24. B6: Input B6

Functional Features

  • Logic level translation between 1.8V and 5V voltage domains
  • Bidirectional voltage translation with automatic direction sensing
  • High-speed operation suitable for various applications
  • Supports wide voltage range compatibility
  • Low power consumption
  • Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - Wide voltage range compatibility allows interfacing between different logic families - High-speed operation enables efficient data transfer - Automatic direction sensing simplifies the design process - Low power consumption reduces energy requirements

Disadvantages: - Limited to voltage translation between 1.8V and 5V domains - Not suitable for applications requiring translation between other voltage levels

Working Principles

The 74LVC821ABQ,115 is a logic level translator IC that facilitates communication between devices operating at different voltage levels. It utilizes a bidirectional voltage translation scheme with automatic direction sensing. The IC detects the direction of data flow and adjusts the voltage levels accordingly.

The device operates by receiving input signals from one voltage domain (e.g., 1.8V) and translating them to the corresponding voltage levels of the target domain (e.g., 5V). It ensures proper signal integrity and compatibility between different logic families.

Detailed Application Field Plans

The 74LVC821ABQ,115 is commonly used in various applications where logic level translation is required. Some of the typical application fields include:

  1. Microcontroller interfacing with different voltage peripherals
  2. Communication interfaces between devices operating at different voltage levels
  3. Sensor networks requiring voltage level compatibility
  4. Battery-powered systems with mixed voltage domains
  5. Industrial automation and control systems

Detailed and Complete Alternative Models

  1. SN74LVC821APWR: TSSOP-24 package, similar specifications
  2. 74LVC821AD: SOIC-24 package, similar functionality
  3. MC74LVC821ADG: TSSOP-24 package, comparable performance

These alternative models offer similar logic level translation capabilities and can be considered as substitutes for the 74LVC821ABQ,115 in various applications.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng 74LVC821ABQ,115 sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of 74LVC821ABQ,115 in technical solutions:

  1. Q: What is the function of the 74LVC821ABQ,115? A: The 74LVC821ABQ,115 is a 10-bit D-type flip-flop with 3-state outputs. It can store and output digital data.

  2. Q: What is the operating voltage range for the 74LVC821ABQ,115? A: The operating voltage range for this IC is typically between 1.65V and 5.5V.

  3. Q: How many flip-flops are there in the 74LVC821ABQ,115? A: The 74LVC821ABQ,115 has 10 individual flip-flops, allowing it to store 10 bits of data.

  4. Q: Can I use the 74LVC821ABQ,115 in both synchronous and asynchronous applications? A: Yes, the 74LVC821ABQ,115 can be used in both synchronous and asynchronous applications.

  5. Q: What is the maximum clock frequency supported by the 74LVC821ABQ,115? A: The maximum clock frequency supported by this IC is typically around 100 MHz.

  6. Q: Does the 74LVC821ABQ,115 have any built-in output enable functionality? A: Yes, this IC has a built-in output enable pin that allows you to control the state of the outputs.

  7. Q: Can I cascade multiple 74LVC821ABQ,115 ICs together to increase the number of stored bits? A: Yes, you can cascade multiple ICs together to increase the number of stored bits in your system.

  8. Q: What is the power consumption of the 74LVC821ABQ,115? A: The power consumption of this IC depends on various factors such as operating voltage and clock frequency.

  9. Q: Can I use the 74LVC821ABQ,115 in both digital and analog applications? A: No, the 74LVC821ABQ,115 is specifically designed for digital applications and should not be used in analog circuits.

  10. Q: Are there any specific precautions to consider when using the 74LVC821ABQ,115? A: It is important to follow the recommended operating conditions and guidelines provided in the datasheet to ensure proper functionality and reliability of the IC.