This repository contains Verilog source files for a simple 4-bit signed calculator. The calculator can perform addition and subtraction using ripple-carry logic and detects overflow conditions. It was ...

•Designed CMOS schematic using Manchester carry chain and carry look ahead architecture. •Created layout and performed DRC, LVS, and post layout extraction. •Performed pre-layout and post-layout ...

Arithmetic circuits such as the digital adder and subtractor are simple combinational logic. In this lab, students learn to construct a 2-bit full adder/subtractor from basic combinational logic.