Encoder & Priority Encoder | Digital Electronics | VLSI Basics

Published: 07 January 2026
on channel: VLSI Simplified
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In this video, we explore two important combinational logic circuits used widely in digital electronics and VLSI design — Encoder and Priority Encoder.

🔹 Encoder converts multiple input lines into a smaller number of output lines based on binary representation. It is commonly used in data compression, communication systems, and keyboard encoding.

🔹 Priority Encoder is an enhanced version of the encoder that assigns priority to inputs. When multiple inputs are active simultaneously, the output corresponds to the highest-priority input, making it extremely useful in interrupt handling, arbitration logic, and processor design.

Topics Covered in This Video:

✅ What is an Encoder
✅ Working principle of Encoder
✅ Truth table and logic diagram
✅ What is a Priority Encoder
✅ Difference between Encoder and Priority Encoder
✅ Truth table and examples
✅ Real-time applications in VLSI & Digital Systems

🎯 This video is perfect for engineering students, VLSI beginners, and digital design enthusiasts preparing for interviews, exams, and core electronics roles.

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