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DM74LS273N

DM74LS273N

Product Overview

Category

DM74LS273N belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics for storing and manipulating binary data.

Characteristics

  • DM74LS273N is a D-type flip-flop IC with eight individual flip-flops.
  • It operates on a wide voltage range, typically between 4.75V and 5.25V.
  • The IC is designed to work in various temperature ranges, making it suitable for different environments.
  • It has a high-speed operation, allowing for efficient data storage and retrieval.
  • DM74LS273N is known for its reliability and durability.

Package

The DM74LS273N IC is available in a standard 20-pin dual in-line package (DIP).

Essence

The essence of DM74LS273N lies in its ability to store and retain binary information using flip-flops.

Packaging/Quantity

This product is typically packaged in tubes or trays, containing a quantity of 25 or 50 units per package.

Specifications

  • Supply Voltage: 4.75V - 5.25V
  • Operating Temperature Range: -55°C to 125°C
  • Logic Family: LS
  • Number of Flip-Flops: 8
  • Package Type: DIP
  • Pin Count: 20

Detailed Pin Configuration

  1. CLR (Clear)
  2. D0 (Data Input 0)
  3. D1 (Data Input 1)
  4. D2 (Data Input 2)
  5. D3 (Data Input 3)
  6. D4 (Data Input 4)
  7. D5 (Data Input 5)
  8. D6 (Data Input 6)
  9. D7 (Data Input 7)
  10. GND (Ground)
  11. Q0 (Flip-Flop Output 0)
  12. Q1 (Flip-Flop Output 1)
  13. Q2 (Flip-Flop Output 2)
  14. Q3 (Flip-Flop Output 3)
  15. Q4 (Flip-Flop Output 4)
  16. Q5 (Flip-Flop Output 5)
  17. Q6 (Flip-Flop Output 6)
  18. Q7 (Flip-Flop Output 7)
  19. CLK (Clock Input)
  20. VCC (Supply Voltage)

Functional Features

  • DM74LS273N can store and retain binary data using its eight flip-flops.
  • It has a synchronous design, meaning the stored data is updated based on the clock input.
  • The CLR pin allows for clearing all the flip-flops simultaneously.
  • The D0 to D7 pins are used to input the binary data to be stored.
  • The Q0 to Q7 pins provide the output of each individual flip-flop.

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data storage and retrieval.
  • Wide voltage range allows for compatibility with various systems.
  • Reliable and durable design ensures long-term functionality.
  • Suitable for use in different temperature environments.

Disadvantages

  • Limited number of flip-flops (8) may not be sufficient for complex applications.
  • DIP package may require additional space compared to surface-mount packages.

Working Principles

DM74LS273N operates based on the principles of D-type flip-flops. When the clock input (CLK) transitions from low to high, the data present at the D0 to D7 inputs is latched and stored in the corresponding flip-flops. The stored data remains unchanged until the next clock transition occurs. The CLR pin can be used to clear all the flip-flops simultaneously, resetting them to a known state.

Detailed Application Field Plans

DM74LS273N finds applications in various digital systems, including but not limited to: - Microcontrollers and microprocessors - Data storage devices - Communication systems - Control systems - Arithmetic logic units (ALUs) - Memory address decoding circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to DM74LS273N are: - SN74LS273 - CD74HC273 - MC74HC273 - 74F273

These models offer similar functionality and can be used as replacements depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací DM74LS273N v technických řešeních

Sure! Here are 10 common questions and answers related to the application of DM74LS273N in technical solutions:

  1. Question: What is DM74LS273N?
    - Answer: DM74LS273N is a type of octal D-type flip-flop integrated circuit (IC) that can store and manipulate digital data.

  2. Question: What is the purpose of using DM74LS273N in technical solutions?
    - Answer: DM74LS273N is commonly used for data storage, synchronization, and control purposes in various digital systems and applications.

  3. Question: How many flip-flops are there in DM74LS273N?
    - Answer: DM74LS273N consists of eight individual D-type flip-flops, making it an octal flip-flop IC.

  4. Question: What is the maximum clock frequency supported by DM74LS273N?
    - Answer: The maximum clock frequency supported by DM74LS273N is typically around 25 MHz.

  5. Question: Can DM74LS273N be used for edge-triggered or level-triggered operations?
    - Answer: DM74LS273N is primarily designed for positive-edge triggered operations, but it can also be used for level-triggered operations with appropriate circuitry.

  6. Question: What is the power supply voltage range for DM74LS273N?
    - Answer: The power supply voltage range for DM74LS273N is usually between 4.75V and 5.25V.

  7. Question: Does DM74LS273N have any built-in output buffers?
    - Answer: No, DM74LS273N does not have any built-in output buffers. External buffers may be required to drive heavy loads.

  8. Question: Can DM74LS273N be cascaded to increase the number of flip-flops?
    - Answer: Yes, DM74LS273N can be cascaded to increase the number of flip-flops and create larger storage systems.

  9. Question: What is the typical propagation delay of DM74LS273N?
    - Answer: The typical propagation delay of DM74LS273N is around 15-20 nanoseconds.

  10. Question: Are there any specific precautions to consider when using DM74LS273N?
    - Answer: It is important to ensure proper decoupling capacitors are used near the power supply pins of DM74LS273N to minimize noise and voltage fluctuations. Additionally, care should be taken to avoid exceeding the maximum ratings specified in the datasheet, such as voltage and temperature limits.

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