Texas Instruments
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SN74LVC821APW
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SN74LVC821APW

Product Overview

Category

SN74LVC821APW belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a buffer/line driver for various digital applications.

Characteristics

  • Low-voltage CMOS technology
  • High-speed operation
  • Wide operating voltage range
  • Schmitt-trigger inputs for noise immunity
  • 3-state outputs for bus-oriented applications

Package

SN74LVC821APW is available in a small outline TSSOP package.

Essence

The essence of SN74LVC821APW lies in its ability to provide buffering and line driving capabilities for digital signals, ensuring reliable and efficient data transmission.

Packaging/Quantity

SN74LVC821APW is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 1.65V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 2.7ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

SN74LVC821APW consists of 20 pins, each serving a specific function:

  1. A1: Input A1
  2. Y1: Output Y1
  3. GND: Ground
  4. A2: Input A2
  5. Y2: Output Y2
  6. A3: Input A3
  7. Y3: Output Y3
  8. A4: Input A4
  9. Y4: Output Y4
  10. OE: Output Enable
  11. VCC: Power Supply
  12. B1: Input B1
  13. Z1: Output Z1
  14. B2: Input B2
  15. Z2: Output Z2
  16. B3: Input B3
  17. Z3: Output Z3
  18. B4: Input B4
  19. Z4: Output Z4
  20. GND: Ground

Functional Features

  • Buffering and line driving capabilities for digital signals
  • High-speed operation for efficient data transmission
  • Schmitt-trigger inputs provide noise immunity
  • 3-state outputs enable bus-oriented applications

Advantages and Disadvantages

Advantages

  • Low-voltage CMOS technology ensures low power consumption
  • Wide operating voltage range allows compatibility with various systems
  • Schmitt-trigger inputs enhance noise immunity
  • 3-state outputs facilitate bus-oriented applications

Disadvantages

  • Limited output current may restrict use in certain high-power applications
  • Propagation delay time may affect real-time applications with strict timing requirements

Working Principles

SN74LVC821APW operates by receiving digital input signals and buffering/amplifying them to drive corresponding output lines. The Schmitt-trigger inputs help in reducing the impact of noise on the input signals, ensuring reliable data transmission. The 3-state outputs allow multiple devices to share a common bus, enabling efficient communication.

Detailed Application Field Plans

SN74LVC821APW finds applications in various digital systems, including but not limited to: - Microcontrollers - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74LVC821APW are: - SN74LVC821ADW - SN74LVC821ARGYR - SN74LVC821APWRG4 - SN74LVC821APWT

These models may differ in package type, temperature range, or other specifications, but they serve the same purpose of buffering and line driving digital signals.

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Énumérez 10 questions et réponses courantes liées à l'application de SN74LVC821APW dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of SN74LVC821APW:

  1. Q: What is the SN74LVC821APW? A: The SN74LVC821APW is a high-performance, low-voltage CMOS 10-bit bus interface flip-flop with 3-state outputs.

  2. Q: What is the operating voltage range of SN74LVC821APW? A: The operating voltage range is from 1.65V to 3.6V.

  3. Q: What is the maximum clock frequency supported by SN74LVC821APW? A: The maximum clock frequency is typically 100 MHz.

  4. Q: Can I use SN74LVC821APW in both parallel and serial data transfer applications? A: Yes, SN74LVC821APW can be used in both parallel and serial data transfer applications.

  5. Q: How many 3-state outputs does SN74LVC821APW have? A: SN74LVC821APW has 10 3-state outputs.

  6. Q: What is the purpose of the 3-state outputs in SN74LVC821APW? A: The 3-state outputs allow multiple devices to share a common bus without interfering with each other.

  7. Q: Can I cascade multiple SN74LVC821APW devices together? A: Yes, you can cascade multiple SN74LVC821APW devices together to increase the number of bits in your system.

  8. Q: Does SN74LVC821APW have any built-in protection features? A: Yes, SN74LVC821APW has built-in ESD protection on all inputs and outputs.

  9. Q: What is the power supply current consumption of SN74LVC821APW? A: The power supply current consumption is typically 2.5 mA.

  10. Q: Can I use SN74LVC821APW in automotive applications? A: Yes, SN74LVC821APW 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 datasheet and application requirements.