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74LV123PW,112

74LV123PW,112

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic
  • Characteristics: Dual Retriggerable Monostable Multivibrator
  • Package: TSSOP-16
  • Essence: High-speed CMOS technology
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Operating Temperature Range: -40°C to +125°C
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Propagation Delay Time: 9 ns
  • Maximum Quiescent Current: 2 μA
  • Maximum Operating Frequency: 200 MHz

Detailed Pin Configuration

The 74LV123PW,112 IC has a TSSOP-16 package with the following pin configuration:

__ __ Q1 |1 \__/ 16| VCC Q2 |2 15| CLR GND |3 14| A B |4 13| B A |5 12| C CLR |6 11| D TRG |7 10| Q2 RES |8 9| Q1 ‾‾ ‾‾

Functional Features

  • Dual retriggerable monostable multivibrator
  • Wide supply voltage range allows compatibility with various systems
  • High-speed operation suitable for time-critical applications
  • Low power consumption in standby mode
  • Schmitt-trigger inputs for noise immunity
  • Trigger and reset inputs can be used independently or simultaneously

Advantages and Disadvantages

Advantages: - Dual monostable multivibrator in a single package saves board space - Wide supply voltage range enhances compatibility - High-speed operation enables time-critical applications

Disadvantages: - Limited number of available alternative models - Not suitable for applications requiring very low power consumption

Working Principles

The 74LV123PW,112 is a dual retriggerable monostable multivibrator. It generates a pulse of a specified duration upon receiving a trigger signal. The output pulse width can be adjusted using external timing components. The device can be triggered by either a positive or negative edge, and the output pulse width can be extended by applying additional trigger pulses.

Detailed Application Field Plans

The 74LV123PW,112 IC finds applications in various fields, including:

  1. Timing circuits: Used to generate precise time delays in digital systems.
  2. Pulse shaping: Converts irregular input signals into well-defined pulses.
  3. Frequency division: Used in frequency dividers to divide input frequencies.
  4. Data synchronization: Ensures proper synchronization between different parts of a digital system.
  5. Control systems: Provides timing control in various control applications.

Detailed and Complete Alternative Models

While the 74LV123PW,112 is a versatile IC, there are limited alternative models available. Some alternatives that offer similar functionality include:

  1. CD74HC123E: Dual retriggerable monostable multivibrator with Schmitt-trigger inputs.
  2. SN74LS123N: Dual retriggerable monostable multivibrator with TTL-compatible inputs.
  3. MC14538B: Dual precision monostable multivibrator with complementary outputs.

These alternative models can be considered based on specific requirements and availability.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 74LV123PW,112 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of 74LV123PW,112 in technical solutions:

  1. Q: What is the function of the 74LV123PW,112? A: The 74LV123PW,112 is a dual retriggerable monostable multivibrator used for generating precise time delays or pulses.

  2. Q: What is the operating voltage range of the 74LV123PW,112? A: The operating voltage range is typically between 1.65V and 5.5V.

  3. Q: How many inputs does the 74LV123PW,112 have? A: It has two inputs, labeled A and B.

  4. Q: What is the maximum frequency at which the 74LV123PW,112 can operate? A: The maximum frequency is typically around 125 MHz.

  5. Q: Can the 74LV123PW,112 be used as a frequency divider? A: Yes, it can be used as a frequency divider by connecting the output of one multivibrator to the input of another.

  6. Q: What is the typical propagation delay of the 74LV123PW,112? A: The typical propagation delay is around 8 ns.

  7. Q: Can the 74LV123PW,112 be used in both digital and analog applications? A: No, it is primarily designed for digital applications.

  8. Q: What is the power supply current consumption of the 74LV123PW,112? A: The power supply current consumption is typically around 2 mA.

  9. Q: Can the 74LV123PW,112 be used in battery-powered devices? A: Yes, it can be used in battery-powered devices due to its low power consumption.

  10. Q: Are there any specific precautions to consider when using the 74LV123PW,112? A: It is important to ensure that the voltage levels applied to the inputs and outputs are within the specified range to prevent damage to the device.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74LV123PW,112.