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SN74LS423NSR
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SN74LS423NSR

Product Overview

Category

SN74LS423NSR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications such as signal processing, timing, and control.

Characteristics

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

Package

SN74LS423NSR is available in a small-outline package (SOIC) with 14 pins.

Essence

The essence of SN74LS423NSR lies in its ability to perform complex digital operations efficiently and reliably.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel containing 2500 units.

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Logic Family: LS
  • Number of Pins: 14
  • Input/Output Type: Schmitt Trigger
  • Propagation Delay: 15 ns (max)
  • Output Current: ±8 mA

Detailed Pin Configuration

  1. CLR (Clear)
  2. A1 (Input A1)
  3. B1 (Input B1)
  4. A2 (Input A2)
  5. B2 (Input B2)
  6. GND (Ground)
  7. Q1 (Output Q1)
  8. Q2 (Output Q2)
  9. VCC (Supply Voltage)
  10. CEXT (External Capacitor)
  11. REXT (External Resistor)
  12. NC (No Connection)
  13. NC (No Connection)
  14. NC (No Connection)

Functional Features

  • Dual Retriggerable Monostable Multivibrator
  • Schmitt-trigger inputs for noise immunity
  • Adjustable pulse width using external resistor and capacitor
  • Retriggerable mode for extending the output pulse width

Advantages and Disadvantages

Advantages

  • Low power consumption makes it suitable for battery-powered devices.
  • High-speed operation enables efficient signal processing.
  • Wide operating voltage range allows compatibility with various systems.
  • Schmitt-trigger inputs provide noise immunity.

Disadvantages

  • Limited number of available pins may restrict complex circuit designs.
  • Propagation delay of 15 ns (max) may affect timing-sensitive applications.

Working Principles

SN74LS423NSR operates as a dual retriggerable monostable multivibrator. It generates an output pulse of adjustable width based on the input signals and external resistor-capacitor combination. The Schmitt-trigger inputs ensure reliable triggering even in the presence of noise.

Detailed Application Field Plans

SN74LS423NSR finds applications in various fields, including: 1. Timing circuits 2. Pulse generation 3. Control systems 4. Data communication 5. Industrial automation

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74LS423NSR are: 1. CD4538BCN 2. MC14538BDR2G 3. HEF4538BP

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

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem SN74LS423NSR w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of SN74LS423NSR:

  1. Q: What is SN74LS423NSR? A: SN74LS423NSR is a specific type of integrated circuit (IC) commonly used in technical solutions for various applications.

  2. Q: What is the purpose of SN74LS423NSR? A: SN74LS423NSR is a dual retriggerable monostable multivibrator, which means it can be used to generate precise timing pulses or delays in electronic circuits.

  3. Q: How does SN74LS423NSR work? A: It works by triggering the output pulse when an input signal transitions from low to high, and then maintaining the output pulse width until a retriggering input signal is received.

  4. Q: What are some typical applications of SN74LS423NSR? A: Some common applications include pulse shaping, frequency division, time delay generation, precision timing, and synchronization in digital systems.

  5. Q: What is the voltage supply range for SN74LS423NSR? A: The voltage supply range for SN74LS423NSR is typically between 4.75V and 5.25V.

  6. Q: What is the maximum operating frequency of SN74LS423NSR? A: The maximum operating frequency of SN74LS423NSR is typically around 33 MHz.

  7. Q: Can SN74LS423NSR be used in both TTL and CMOS logic systems? A: Yes, SN74LS423NSR is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic systems.

  8. Q: Does SN74LS423NSR have any built-in protection features? A: Yes, it has built-in protection against damage due to electrostatic discharge (ESD) and excessive power dissipation.

  9. Q: What is the package type for SN74LS423NSR? A: SN74LS423NSR is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

  10. Q: Where can I find more detailed information about SN74LS423NSR? A: You can refer to the datasheet provided by the manufacturer or visit their official website for more detailed technical information about SN74LS423NSR.

Please note that the answers provided here are general and may vary depending on specific datasheets and manufacturers' specifications.