74LS86 Quad 2‑Input Exclusive‑OR (XOR) Gate IC DIP‑14

The 74LS86 is a quad 2‑input XOR gate integrated circuit designed for high‑speed TTL logic applications. Housed in a DIP‑14 package, it is ideal for breadboards, prototyping, and integration into digital systems, Arduino and Raspberry Pi interfacing (with appropriate level shifting), and other microcontroller-based projects.

🔍 Key Features

• Four 2‑input exclusive‑OR (XOR) gates for versatile digital logic design
• High-speed performance suitable for time‑critical logic operations
• Compatible with CMOS, NMOS, and TTL logic families for flexible interfacing
• Low power usage characteristic of LS‑TTL technology
• 14‑pin DIP package for seamless integration and breadboard friendliness

📐 Technical Specifications

• Supply Voltage (VCC): 4.75 V to 5.25 V (standard 5 V TTL)
• Operating Temperature (Commercial): 0°C to 70°C
• Propagation Delay Time: 15 ns (typical application figure)
• Power Dissipation: 1 mW (device-level reference)
• Input Current: 1 mA
• Output Current: 8 mA drive capability

🧮 Logic Function

Each gate performs the exclusive‑OR operation: the output is HIGH only when the two inputs are different (A ≠ B). This makes the 74LS86 ideal for parity generation, data comparison, and bitwise logic in digital circuits.

🛠️ Applications

• Digital systems and logic modules
• Computing systems and bus parity logic
• Communication devices and data processing
• Industrial control systems and automation
• Embedded systems and microcontroller projects
• Prototyping with Arduino (5 V logic) and Raspberry Pi (use level shifters for 3.3 V)

🔗 Integration Tips

• Use a stable 5 V supply within 4.75–5.25 V for reliable LS‑TTL operation.
• Outputs can typically sink/source up to 8 mA; plan fan‑out and loading accordingly.
• When interfacing to 3.3 V microcontrollers (e.g., Raspberry Pi), employ level shifting or resistor dividers as needed.
• The DIP‑14 package is compatible with standard breadboards and perfboards for rapid prototyping.

Engineers and hobbyists can rely on the 74LS86 as a robust, cost‑effective building block for digital electronics, including Arduino, Raspberry Pi, and other electronics components and modules requiring fast XOR logic at TTL voltage levels.