SELF-CHECKING FULL ADDER AND SELF-CHECKING CARRY SELECT ADDER HAVING THE FULL ADDER

摘要

The present invention relates to a self-checking full adder and a self-checking carry selection adder comprising the self-checking full adder and, more specifically, to a self-checking full adder and a self-checking carry selection adder comprising the self-checking full adder capable of checking malfunctions with a simple composition regardless of calculation resu detecting a position a full adder having the malfunctions and rapidly restoring the full adder having the malfunctions when full adder calculation for the input of multiple bits is performed; and simply performing carry selection add calculation by using one ripple carry adder. The present invention comprises a full adder module and a malfunction checking module.