Texas Instruments
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SN74AS576DWR
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SN74AS576DWR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic
  • Characteristics: High-speed, low-power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: 8-bit D-type flip-flop with tri-state outputs
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V 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: 6ns (typical)
  • Output Current: ±24mA
  • Power Dissipation: 500mW (max)

Detailed Pin Configuration

The SN74AS576DWR has a total of 20 pins, which are assigned as follows:

  1. CLR (Clear) - Active Low Clear Input
  2. CLK (Clock) - Clock Input
  3. D0-D7 (Data Inputs) - Eight Data Inputs
  4. OE (Output Enable) - Output Enable Input
  5. Q0-Q7 (Outputs) - Eight Outputs
  6. GND (Ground) - Ground Reference
  7. VCC (Supply Voltage) - Positive Supply Voltage

Functional Features

  • 8-bit D-type flip-flop with tri-state outputs
  • Asynchronous clear input for resetting the flip-flop
  • Positive-edge triggered clock input for synchronous operation
  • Tri-state outputs allow multiple devices to share a common bus
  • High-speed operation with low power consumption

Advantages and Disadvantages

Advantages: - High-speed performance suitable for time-critical applications - Low power consumption for energy-efficient designs - Tri-state outputs enable efficient bus sharing

Disadvantages: - Limited voltage range (4.5V to 5.5V) - Relatively high power dissipation (500mW max)

Working Principles

The SN74AS576DWR is a D-type flip-flop with tri-state outputs. It stores and outputs data based on the clock input signal. The asynchronous clear input allows for resetting the flip-flop, while the output enable input controls the tri-state outputs. The device operates at high speed and consumes low power, making it suitable for various digital logic applications.

Detailed Application Field Plans

The SN74AS576DWR can be used in a wide range of applications, including:

  1. Data storage and transfer systems
  2. Address decoding circuits
  3. Bus interface units
  4. Memory modules
  5. Control systems
  6. Communication devices

Its ability to handle multiple inputs and provide tri-state outputs makes it particularly useful in systems where data sharing and control are critical.

Detailed and Complete Alternative Models

  1. SN74LS576DW - Similar functionality but operates at a lower speed.
  2. SN74HC576DWR - Compatible pin configuration with improved power efficiency.
  3. SN74F576DWR - Faster propagation delay time but higher power consumption.

These alternative models offer similar features and can be considered as substitutes depending on specific requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SN74AS576DWR i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SN74AS576DWR in technical solutions:

  1. Q: What is SN74AS576DWR? A: SN74AS576DWR is a specific type of integrated circuit (IC) or chip that belongs to the SN74AS series. It is commonly used in digital logic applications.

  2. Q: What is the function of SN74AS576DWR? A: SN74AS576DWR is a 4-bit binary up/down counter with a synchronous parallel load feature. It can be used to count up or down based on control inputs and has a parallel load capability for presetting the counter value.

  3. Q: What voltage levels does SN74AS576DWR support? A: SN74AS576DWR operates at a supply voltage range of 4.5V to 5.5V, making it compatible with standard TTL (Transistor-Transistor Logic) voltage levels.

  4. Q: How many bits does SN74AS576DWR have? A: SN74AS576DWR is a 4-bit counter, meaning it can represent numbers from 0 to 15 (in binary).

  5. Q: Can SN74AS576DWR be cascaded to create larger counters? A: Yes, multiple SN74AS576DWR chips can be cascaded together to create larger counters with more bits.

  6. Q: What is the clock input frequency range for SN74AS576DWR? A: The clock input frequency range for SN74AS576DWR typically ranges from a few hertz to tens of megahertz, depending on the specific operating conditions.

  7. Q: Does SN74AS576DWR have any additional features? A: Yes, SN74AS576DWR has additional features like asynchronous reset and carry output, which can be useful in certain applications.

  8. Q: What are the typical applications of SN74AS576DWR? A: SN74AS576DWR is commonly used in applications that require counting or sequencing, such as digital clocks, frequency dividers, and event counters.

  9. Q: Are there any specific timing requirements for using SN74AS576DWR? A: Yes, SN74AS576DWR has specific setup and hold time requirements for its inputs and clock signal. These should be carefully considered during circuit design.

  10. Q: Where can I find more information about SN74AS576DWR? A: You can refer to the datasheet provided by the manufacturer, Texas Instruments, for detailed information on the electrical characteristics, pin configuration, and application notes related to SN74AS576DWR.

Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of your technical solution.