74HCT123D

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74HCT123D

+БОМ

Monostable Multivibrator DUAL MONO RETRIG

  • ПроизводительNexperia

  • Мфр. Часть #74HCT123D

  • В наличии14199

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
Standard Pack Qty 50

Обзор

Description

The 74HCT123D is a monostable multivibrator integrated circuit, part of the 74HCT series, which is a family of high-speed CMOS devices compatible with TTL logic levels. This dual retriggerable monostable multivibrator features output pulse width control via external resistors and capacitors. Each monostable has two trigger inputs (one active-low, one active-high) and provides a single pulse output.
Key features include:
1. Retriggerability: The device can be retriggered before the output pulse has finished, extending the output pulse duration.

2. Adjustable Pulse Duration: The output pulse width is adjustable through external timing components, allowing for flexible application in timing circuits.
3. TTL Compatibility: Compatible with TTL logic levels, making it suitable for interfacing in various digital applications.
4. Wide Operating Voltage Range: Operates typically between 4.5V and 5.5V, accommodating standard digital circuit requirements.
Applications for the 74HCT123D include pulse generation, delay timing, and various timing-related applications in digital circuits. Its ability to handle varying pulse widths and retriggering makes it versatile for custom timing solutions.

Equivalent

The 74HCT123D is a dual retriggerable monostable multivibrator. Equivalent products include:
1. SN74HCT123 from Texas Instruments
2. CD74HCT123 from Texas Instruments
3. MC74HCT123A from ON Semiconductor
4. HEF123 from Nexperia
These chips offer similar functionality, with variations in packaging and electrical characteristics. Always check the datasheets for compatibility in your specific application.

Features

The 74HCT123D is a high-speed CMOS dual retriggerable monostable multivibrator. It features two independent multivibrators in a single package, with each one being able to produce a single output pulse when triggered. Key features include:
1. Retriggerable Functionality: Allows the timing cycle to be restarted with additional trigger pulses.
2. Wide Range of Pulse Widths: Pulse width can be adjusted using external resistors and capacitors, providing flexibility in applications.
3. TTL Compatibility: Operates with standard TTL logic levels, making it suitable for a wide range of digital circuits.
4. High Speed: Offers fast operation due to advanced CMOS technology.
5. Low Power Consumption: Benefits from the efficiency of CMOS design, reducing power usage compared to older technologies.
6. Schmitt Trigger Inputs: Provides noise immunity and ensures stable triggering.
This component is commonly used in timing, pulse generation, and delay applications within various electronic systems.

Pinout

The 74HCT123D is a dual retriggerable monostable multivibrator IC with a pin count of 16. It is designed for creating precise time delays and pulse generation. Each of the two independent multivibrators in the IC can be triggered by an input signal, and the output pulse width is controlled by external timing components like resistors and capacitors.
Key pin functions include:
1. A1, A2: Trigger inputs.
2. B1, B2: Complementary trigger inputs.
3. R1/C1, R2/C2: External resistor and capacitor connections for timing.
4. Q1, Q2: Outputs of the multivibrators.
5. Q1, Q2: Complementary outputs.
6. CLR1, CLR2: Asynchronous reset inputs.
7. VCC: Positive supply voltage.
8. GND: Ground.
These pins enable the IC to generate output pulses based on the input conditions and external timing components, useful in applications like pulse generation, timers, and delay circuits.

Manufacturer

The 74HCT123D is manufactured by Nexperia. Nexperia is a global semiconductor company that specializes in the production of Discretes, Logic, and MOSFET devices. Originally part of NXP Semiconductors, Nexperia became an independent company in 2017. Headquartered in Nijmegen, Netherlands, Nexperia focuses on efficient, high-performance products used in automotive, industrial, computing, and consumer applications. The company is known for its extensive portfolio of semiconductor components that are essential for power management, signal processing, and electronic circuit functionality.

Application

The 74HCT123D is a dual retriggerable monostable multivibrator IC used in digital circuits. Its application areas include pulse generation, timing delays, frequency division, and pulse width modulation. It is commonly utilized in applications such as signal conditioning, debounce circuits, timing sequences, and waveform generation. The IC is valued for its ability to produce precise time delays and its retriggerable feature, which allows for variable pulse width control and timing flexibility. Additionally, it can be used in communication systems, control systems, and other applications requiring reliable and adjustable timing functions.

Package

The 74HCT123D is a dual retriggerable monostable multivibrator IC typically housed in a SOIC-16 (Small Outline Integrated Circuit) package.

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