Digital logic Subtractor bit implementation comparator using mux 2bit helps hope information these stack same Adder serial bit subtractor parallel load number two negated schematics xilinx ise drawn
comparator - Implementation of 4-bit subtractor - Electrical
4-bit serial adder/subtractor with parallel load – altynbek isabekov Adder subtractor bit circuit add sub overflow complement logic detection carry addition designing control zero line questions find digital
comparator - Implementation of 4-bit subtractor - Electrical
digital logic - Designing a 4-bit adder-subtractor circuit - Electrical
4-bit Serial Adder/Subtractor with Parallel Load – Altynbek Isabekov
