Texas Instruments
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SN74LS280DRE4
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SN74LS280DRE4

Product Overview

Category

SN74LS280DRE4 belongs to the category of integrated circuits (ICs).

Use

It is commonly used in digital logic applications for arithmetic operations and data processing.

Characteristics

  • Low power consumption
  • High-speed operation
  • Wide operating voltage range
  • Compatibility with TTL logic levels

Package

SN74LS280DRE4 is available in a dual in-line package (DIP) with 14 pins.

Essence

The essence of SN74LS280DRE4 lies in its ability to perform binary addition and subtraction operations efficiently.

Packaging/Quantity

SN74LS280DRE4 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Logic Family: LS-TTL
  • Number of Inputs: 9
  • Number of Outputs: 4
  • Propagation Delay: 10ns (max)
  • Power Dissipation: 22mW (typ)

Detailed Pin Configuration

  1. A0: Input A0
  2. A1: Input A1
  3. A2: Input A2
  4. B0: Input B0
  5. B1: Input B1
  6. B2: Input B2
  7. Cn: Carry-In/Input C
  8. GND: Ground
  9. S0: Sum Output Bit 0
  10. S1: Sum Output Bit 1
  11. S2: Sum Output Bit 2
  12. S3: Sum Output Bit 3
  13. Cout: Carry-Out Output
  14. VCC: Supply Voltage

Functional Features

  • Binary addition and subtraction
  • Carry-in and carry-out functionality
  • Overflow detection

Advantages

  • Low power consumption makes it suitable for battery-powered devices.
  • High-speed operation enables efficient data processing.
  • Wide operating voltage range allows compatibility with various systems.
  • LS-TTL logic family ensures compatibility with other TTL devices.

Disadvantages

  • Limited number of inputs and outputs may restrict complex operations.
  • Propagation delay may affect real-time applications.

Working Principles

SN74LS280DRE4 operates based on the principles of binary arithmetic. It performs addition and subtraction by manipulating the input signals and generating corresponding output signals based on the carry-in and carry-out logic.

Detailed Application Field Plans

SN74LS280DRE4 finds applications in various fields, including: 1. Digital calculators 2. Microcontrollers 3. Data processing units 4. Arithmetic logic units (ALUs) 5. Control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74LS280DRE4 are: 1. SN74LS283: 4-bit Binary Full Adder 2. SN74LS381: 4-bit Arithmetic Logic Unit 3. SN74LS382: 4-bit Arithmetic Logic Unit with Carry Look-Ahead

These alternative models offer similar functionalities and can be used depending on specific requirements and system constraints.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SN74LS280DRE4 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of SN74LS280DRE4:

  1. Question: What is SN74LS280DRE4?
    Answer: SN74LS280DRE4 is a 9-bit magnitude comparator integrated circuit (IC) that can be used in various technical solutions.

  2. Question: What is the purpose of a magnitude comparator?
    Answer: A magnitude comparator compares two binary numbers and determines their relative magnitudes (greater than, less than, or equal).

  3. Question: What is the voltage supply range for SN74LS280DRE4?
    Answer: The voltage supply range for SN74LS280DRE4 is typically between 4.75V and 5.25V.

  4. Question: How many inputs does SN74LS280DRE4 have?
    Answer: SN74LS280DRE4 has a total of 18 inputs, including 9 inputs for each binary number being compared.

  5. Question: Can SN74LS280DRE4 handle both positive and negative logic inputs?
    Answer: No, SN74LS280DRE4 is designed for positive logic inputs only.

  6. Question: What is the output format of SN74LS280DRE4?
    Answer: SN74LS280DRE4 provides four outputs: A>B, A<B, A=B, and an overflow indicator.

  7. Question: What is the maximum operating frequency of SN74LS280DRE4?
    Answer: The maximum operating frequency of SN74LS280DRE4 is typically around 33 MHz.

  8. Question: Can SN74LS280DRE4 be cascaded to compare larger binary numbers?
    Answer: Yes, multiple SN74LS280DRE4 ICs can be cascaded together to compare larger binary numbers.

  9. Question: What is the power consumption of SN74LS280DRE4?
    Answer: The power consumption of SN74LS280DRE4 is typically around 10mW.

  10. Question: Can SN74LS280DRE4 be used in both digital and analog applications?
    Answer: No, SN74LS280DRE4 is specifically designed for digital applications and is not suitable for analog use.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.