74126 IC Quad Bus Buffer Tri-state

The 74126 IC is a Quad Bus Buffer with Tri-State outputs, widely used in digital logic circuits for bus-oriented applications. Each buffer has an enable input, allowing control of data flow and reducing contention on shared data lines. With TTL logic compatibility, it is ideal for microprocessor systems, embedded designs, and high-speed digital communication buses.

🔹 Applications

• Bus interfacing and data line control

• Microprocessor and microcontroller systems

• Memory address/data bus drivers

• Embedded systems and digital logic boards

• Robotics and automation controllers

• DIY electronics & educational electronics kits

🔹 Precautions

• Do not exceed the maximum supply voltage of 7V

• Avoid direct short-circuits on outputs

• Handle with care to prevent ESD damage

• Always provide proper grounding for noise reduction

• Limit soldering temperature (<260°C for max 10s)

🔹 Technical Specifications

• IC Type: Quad Bus Buffer with Tri-State Outputs

• Package Type: DIP-14

• Logic Family: 74 Series TTL

• Supply Voltage (Vcc): 4.75V – 5.25V

• Number of Buffers: 4 independent buffers

• Output State Control: Active high enable pin per buffer

• Output Type: 3-state (High, Low, High-Z)

• Input Current: 1µA max

• Propagation Delay: ~15ns (typical at 5V)

• Fan-out: 10 LS-TTL loads

• Operating Temperature Range: 0°C to +70°C

• Pin Count: 14 pins

📹 Tutorial Video

Watch 74126 Quad Bus Buffer Tutorial

🔹 Related Categories

• IC’s

• Electronics Components

• Tools and Accessories

🔹 Summary

The 74126 Quad Bus Buffer Tri-State IC (DIP-14) is a reliable and efficient solution for managing data flow in digital systems. With four independent tri-state buffers, it ensures smooth bus communication, low power consumption, and compatibility with TTL logic. Perfect for DIY electronics, robotics, microcontroller projects, and professional digital circuit design. A must-have in every IC’s collection.