8/04/2025

๐Ÿ’ป๐Ÿง‘‍๐Ÿซ From Bits to Brilliance: 64-bit Barrel Shifter Design with Verilog | Presenter - Rachith H | TSW

  



In this episode of The Semiconductor Webinar (TSW), we dive into the efficient design and simulation of a 64-bit Barrel Shifter using Verilog.

A barrel shifter is a powerful combinational circuit that performs multi-bit shifts in a single clock cycle, crucial for high-speed data manipulation in:

  • Microprocessors and ALUs
  • DSP processors
  • Cryptographic engines
  • GPUs
  • Communication systems 
  • Compilers and hardware accelerators 

๐Ÿš€ Key Highlights:

  • Difference between conventional and barrel shifters
  • Input/output signal architecture and control logic
  • Step-by-step breakdown using an 8-bit version for conceptual clarity
  • Scaling the design to 64-bit with a 6-bit shift amount logic
  • Simulation of three real-world test cases: => Left shift (27-bit) => Right shift (47-bit, logical) => Right shift (23-bit, arithmetic)


๐Ÿ‘ฅ Who Should Watch?

๐ŸŽ“ Students & Graduates exploring the world of digital logic design, RTL, and looking to build a career in VLSI and processor design.

๐Ÿ’ผ Early-career professionals eager to strengthen their Verilog and RTL simulation fundamentals.

๐Ÿ› ️ Engineers & Chip Designers wanting to deepen their knowledge in combinational logic and performance-driven shift operations.

๐Ÿ’ก Tech Enthusiasts & Hobbyists interested in how efficient shift operations improve CPU and DSP speeds.

๐Ÿ“š Educators & Researchers seeking structured examples to teach advanced Verilog and computer architecture.

๐Ÿ”นWhy Attend?

๐Ÿงฉ What Will Be Covered?

๐ŸŒ€ Understand Barrel Shifters from the Ground Up

Explore how barrel shifters perform multi-bit shifts in a single cycle — a must-have for high-speed data paths in CPUs, DSPs, GPUs, and cryptographic engines.

๐Ÿ” From 8-bit Concept to 64-bit Design

Learn the step-by-step logic construction, starting with an 8-bit design and scaling to a fully functional 64-bit shifter using Verilog HDL.

๐Ÿงช Hands-On Simulation of Real Cases

Walk through test cases including left shift, logical right shift, and arithmetic right shift with sign-bit control.

⚙️ Verilog for Performance-Oriented Digital Design

See how Verilog can model scalable and reusable RTL logic for hardware-efficient designs.

๐Ÿš€ Build Skills That Scale

Master design patterns relevant to ALUs, arithmetic blocks, and embedded processing cores — essential in modern chip design workflows.

Guests Bio : Rachith H is currently in the third year of Electronics and Communication Engineering at Bapuji Institute of Engineering and Technology. A strong interest in VLSI, particularly front-end design and digital logic, is being pursued with dedication. The journey into RTL design, ASIC development, and open-source tools is being actively explored through self-learning to build a solid foundation for a future in chip design.Learning beyond the classroom is strongly valued, with practical knowledge being developed through hands-on experimentation and project work.


Watch the webinar here: