74HC76 Dual J/K Flip-Flop Integrated Circuit

The 74HC76 Dual J/K Flip-Flop IC is a high-speed, low-power CMOS 74HC logic device designed for digital systems. It integrates two independent J/K flip-flops with edge-triggered operation and a direct reset for each channel, making it ideal for sequential logic in Arduino, Raspberry Pi, and other microcontroller projects. With a wide 2 V–6 V supply range and a standard DIP-16 package, it’s well suited for breadboards, prototyping, and production designs.

Key Features 🔍

• High-speed switching with a typical propagation delay of 15 ns
• Low-power operation using CMOS 74HC technology
• Dual J/K flip-flop configuration (2 channels)
• Edge-triggered clock inputs for reliable sequencing
• Direct reset (asynchronous clear) for each flip-flop
• Wide supply voltage: 2 V to 6 V — suitable for 3.3 V and 5 V logic rails
• DIP-16 through-hole package for easy prototyping
• Output current: up to 5.2 mA

Technical Specifications 📊

• Supply Voltage (VCC): 2 V to 6 V
• Operating Temperature: -40°C to +85°C
• Propagation Delay Time: 15 ns
• Output Current: 5.2 mA
• Package Type: DIP-16

Typical Applications 🧩

The 74HC76 is versatile for a wide range of digital designs and electronics components projects, including:

• Counters and dividers
• Frequency dividers
• Shift registers
• Data storage and transfer
• Sequential logic circuits

Integration Tips for Microcontrollers 🔧

• Power at 5 V for many Arduino boards or 3.3 V for Raspberry Pi; ensure logic levels match your system voltage.
• Place a 0.1 µF decoupling capacitor close to VCC–GND for noise immunity.
• Tie any unused inputs to a defined logic level (VCC or GND) to prevent floating.
• Provide a clean, debounced clock signal for stable edge-triggered operation.