• Anjali Thakur
• Dr. Rajesh Mehra

Barrel shifters are required for performing data shifting and rotation in computer operations from address coding to arithmetic computations. In this paper Barrel Shifter is designed. Two designs have been proposed namely fully automatic and semicustom. In first approach fully, automatic design inbuilt active are used along with auto routing and placement. In second approach, semicustom design inbuilt active devices are used along with optimized manual routing and placement. In fully automatic approach proposed schematic is design with DSCH and its equivalent layout is created using Microwind. In case of semicustom design, optimized layout is created with Microwind. It can be observed from simulated results that power is improved by 4.2 % and area is improved by 23 percent in case of semi-custom design as compared to fully automatic design

"CMOS Performance Analysis of 4-bit Barrel Shifter", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 6, page no.123-128, June-2018, Available :http://www.jetir.org/papers/JETIR1806714.pdf

"CMOS Performance Analysis of 4-bit Barrel Shifter", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 6, page no. pp123-128, June-2018, Available at : http://www.jetir.org/papers/JETIR1806714.pdf