Professional IC Distribution & Technical Solutions

# MC74HC109N: A High-Speed Dual J-K Positive-Edge-Triggered Flip-Flop

In the world of digital electronics, reliable and efficient flip-flops are essential for sequential logic applications. The MC74HC109N stands out as a high-performance dual J-K positive-edge-triggered flip-flop that offers precision, speed, and versatility in circuit design.

## Key Features of the MC74HC109N

High-Speed Operation

Built with high-speed CMOS technology, the MC74HC109N ensures fast switching times, making it ideal for applications requiring quick response and synchronization. With propagation delays as low as 14 ns, this flip-flop excels in high-frequency operations.

Dual Flip-Flop Configuration

The IC integrates two independent J-K flip-flops in a single package, each featuring positive-edge triggering. This design allows for efficient space utilization on PCBs while maintaining individual control over each flip-flop.

Wide Operating Voltage Range

Supporting a 2V to 6V supply voltage range, the MC74HC109N is compatible with both 3.3V and 5V systems, providing flexibility in various digital circuits.

Low Power Consumption

Thanks to its CMOS construction, the MC74HC109N consumes minimal power, making it suitable for battery-powered and energy-efficient applications.

Asynchronous Clear Function

Each flip-flop includes an active-low clear (CLR) input, allowing for immediate resetting of the output state without requiring a clock signal.

## Applications of the MC74HC109N

The MC74HC109N is widely used in digital systems where precise timing and state retention are crucial. Common applications include:

• Counters and Frequency Dividers – Used in sequential circuits to divide clock signals.
• Shift Registers – Essential for data storage and transfer operations.
• State Machines – Provides stable state transitions in control logic.
• Synchronization Circuits – Ensures signal alignment in communication systems.

## Why Choose the MC74HC109N?

Engineers and designers favor the MC74HC109N for its reliability, speed, and ease of integration. Its industry-standard pinout ensures compatibility with existing designs, while its robust performance makes it a dependable choice for both prototyping and production environments.

For digital circuits requiring high-speed edge-triggered logic, the MC74HC109N delivers the precision and efficiency needed to meet demanding design requirements. Whether used in microcontroller interfacing, data processing, or timing control, this flip-flop remains a fundamental component in modern electronics.

By incorporating the MC74HC109N into your designs, you benefit from a proven, high-performance solution that enhances circuit stability and operational speed. Its combination of low power consumption, wide voltage compatibility, and dual flip-flop functionality makes it an excellent choice for a variety of digital applications.

For engineers seeking a versatile and dependable J-K flip-flop, the MC74HC109N continues to be a preferred component in digital logic design.