Texas Instruments
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SN74LVC821ADBRG4
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SN74LVC821ADBRG4

Product Overview

  • Category: Integrated Circuit
  • Use: Logic Gate
  • Characteristics: Low Voltage, CMOS Technology
  • Package: SSOP-20
  • Essence: 10-Bit Bus Interface Flip-Flop with 3-State Outputs
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • High-Level Input Voltage: 2V (Minimum), VCC (Maximum)
  • Low-Level Input Voltage: GND (Minimum), 0.8V (Maximum)
  • High-Level Output Voltage: VCC - 0.5V (Minimum), VCC (Maximum)
  • Low-Level Output Voltage: GND (Minimum), 0.5V (Maximum)
  • Maximum Operating Frequency: 80MHz
  • Propagation Delay Time: 3.9ns (Typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC821ADBRG4 has a total of 20 pins arranged as follows:

  1. CLK (Clock Input)
  2. D0-D7 (Data Inputs)
  3. OE (Output Enable Input)
  4. Q0-Q7 (Flip-Flop Outputs)
  5. GND (Ground)
  6. VCC (Power Supply)

Functional Features

  • 10-bit bus interface flip-flop with 3-state outputs
  • Positive-edge triggered clock input
  • Asynchronous master reset
  • 3-state outputs for bus-oriented applications
  • Low power consumption
  • Compatible with TTL levels

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for flexibility in various applications - Low power consumption makes it suitable for battery-powered devices - 3-state outputs enable easy interfacing with bus systems - Compatible with TTL levels, ensuring compatibility with older systems

Disadvantages: - Limited operating frequency compared to some other ICs - Only supports positive-edge triggered clock input - Asynchronous master reset may introduce timing issues in certain applications

Working Principles

The SN74LVC821ADBRG4 is a 10-bit bus interface flip-flop that stores data on the rising edge of the clock signal. It features 3-state outputs, allowing multiple devices to share a common bus. The asynchronous master reset allows for resetting the flip-flop independently of the clock signal.

Detailed Application Field Plans

The SN74LVC821ADBRG4 is commonly used in various digital systems and applications, including but not limited to: - Microcontrollers - Data storage systems - Communication devices - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

  1. SN74LVC821APW - TSSOP-20 package, same functionality as SN74LVC821ADBRG4
  2. SN74LVC821ADGVR - TVSOP-20 package, same functionality as SN74LVC821ADBRG4
  3. SN74LVC821ADBQR - SSOP-20 package, same functionality as SN74LVC821ADBRG4
  4. SN74LVC821ARGYR - QFN-20 package, same functionality as SN74LVC821ADBRG4

These alternative models provide different package options while maintaining the same functionality as the SN74LVC821ADBRG4.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של SN74LVC821ADBRG4 בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of SN74LVC821ADBRG4:

  1. Q: What is the SN74LVC821ADBRG4? A: The SN74LVC821ADBRG4 is a high-performance, low-voltage CMOS 10-bit buffer/driver with 3-state outputs.

  2. Q: What is the operating voltage range of SN74LVC821ADBRG4? A: The operating voltage range is from 1.65V to 5.5V.

  3. Q: What is the maximum output current of SN74LVC821ADBRG4? A: The maximum output current is ±24mA.

  4. Q: Can SN74LVC821ADBRG4 be used for level shifting between different voltage domains? A: Yes, it can be used for level shifting as it supports bidirectional voltage translation.

  5. Q: What is the propagation delay of SN74LVC821ADBRG4? A: The propagation delay is typically 3.7ns.

  6. Q: Is SN74LVC821ADBRG4 compatible with other logic families? A: Yes, it is compatible with both TTL and CMOS logic families.

  7. Q: Can SN74LVC821ADBRG4 be used in high-speed applications? A: Yes, it is suitable for high-speed applications due to its fast switching speed.

  8. Q: Does SN74LVC821ADBRG4 have built-in ESD protection? A: Yes, it has built-in ESD protection, making it more robust against electrostatic discharge.

  9. Q: What is the package type of SN74LVC821ADBRG4? A: It is available in a small-outline integrated circuit (SOIC) package.

  10. Q: What are some typical applications of SN74LVC821ADBRG4? A: Some typical applications include address and data buffering, clock distribution, and voltage level translation in various electronic systems.

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