74HC123 Monostable Multivibrator IC is a versatile and high-performance digital IC designed to generate precise time delays and pulses in electronic circuits. Belonging to the 74HC (High-Speed CMOS) family, this dual monostable multivibrator IC offers reliable operation, low power consumption, and high-speed switching capabilities, making it an ideal choice for both industrial and hobbyist applications. Whether you are building timing circuits, pulse generators, or frequency dividers, the 74HC123 provides consistent performance and excellent timing accuracy.
Key Features of 74HC123 Monostable Multivibrator IC
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Dual Monostable Operation: The IC contains two independent monostable multivibrators, each capable of producing single pulses of adjustable width, ideal for simultaneous dual timing applications.
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Wide Operating Voltage Range: Operates efficiently at 2V to 6V, providing compatibility with a wide range of digital circuits.
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High-Speed CMOS Performance: Features the advantages of CMOS technology with faster response times and lower power dissipation than traditional TTL ICs.
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Adjustable Pulse Width: Pulse duration can be precisely controlled using external timing resistors and capacitors, enabling flexible circuit design.
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Complementary Edge Triggering: Supports both rising and falling edge triggering for enhanced versatility in complex timing circuits.
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Noise Immunity: High noise immunity ensures stable performance in industrial and high-frequency environments.
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Low Quiescent Current: Minimizes power consumption, making it suitable for battery-powered and energy-sensitive applications.
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Wide Temperature Range: Operates reliably from -40°C to 125°C, suitable for harsh environmental conditions.
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Standard 14-Pin DIP/SOIC Package: Easy to integrate into breadboards and PCB layouts.
Technical Specifications of 74HC123
| Parameter | Specification |
|---|---|
| Operating Voltage (Vcc) | 2V – 6V |
| Input Logic High Voltage (VIH) | 2V (typical at Vcc=5V) |
| Input Logic Low Voltage (VIL) | 0.8V (typical at Vcc=5V) |
| Maximum Output Current | ±25 mA |
| Propagation Delay Time | 15 ns typical |
| Pulse Width Range | Microseconds to seconds (determined by external RC network) |
| Temperature Range | -40°C to 125°C |
| Package Options | 14-Pin DIP, SOIC |
Applications of 74HC123 Monostable Multivibrator IC
The 74HC123 IC is widely used in various electronic projects and industrial applications where precise pulse generation and timing control are critical. Some common applications include:
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Pulse Width Modulation (PWM) Circuits: Generate accurately timed pulses for motor speed control, LED dimming, and signal modulation.
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Timing Delays: Implement precise time delays in switching circuits, sequential control systems, and alarms.
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Debouncing Switches: Clean up noisy mechanical switch inputs by generating a single, stable output pulse for each input transition.
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Frequency Division: Create controlled frequency-divided signals for digital counting and clocking applications.
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Oscillator Circuits: Serve as a building block in oscillator designs for signal generation and waveform shaping.
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Event Counters: Trigger and count specific events in measurement and control systems with accurate timing.
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Industrial Automation: Used in PLCs, automated controllers, and other industrial equipment requiring precise timing intervals.
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Communication Systems: Assist in pulse shaping and timing synchronization for reliable data transmission.
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Test & Measurement Equipment: Generate test pulses for validating circuit performance or timing response.
Why Choose 74HC123 Monostable Multivibrator IC?
The 74HC123 IC is renowned for its reliability, versatility, and ease of use. Its dual monostable configuration reduces component count and simplifies circuit design. Thanks to its adjustable timing range, it adapts to a wide variety of projects from simple LED blinkers to complex industrial timers. Additionally, the IC’s low power consumption and high noise immunity make it ideal for battery-operated devices and high-speed digital circuits.
Whether you are an electronics hobbyist, a student, or an engineer designing professional-grade electronic systems, the 74HC123 ensures precision, efficiency, and durability. Its robust performance under diverse conditions makes it a must-have IC for timing-critical applications.
Optimize your electronic circuits with the 74HC123 Monostable Multivibrator IC – a dual pulse generator delivering precision, speed, and reliability.
Package Includes:
1 x 74HC123 Monostable Multivibrator IC (DIP-16 Package)
FAQ
1. Where can we buy this 74HC123 Monostable Multivibrator IC?
This product is available online https://aiiottech.in/product/74hc123-monostable-multivibrator-ic/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103
2. When can I get this 74HC123 Monostable Multivibrator IC after placing the order?
RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.
Video Link: 74HC123E High-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Resets
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