Three Input Exclusive OR
Original Publication Date: 1981-Dec-01
Included in the Prior Art Database: 2005-Feb-08
A three input exclusive OR circuit is disclosed in the figure. The circuit consists of a first cross-coupled pair of FET devices Q1 and Q2 which are cascaded with a second cross-coupled pair of FET devices Q3 and Q4, to perform a three input exclusive OR function. The truth table for the circuit shown in the figure is illustrated below, with input A0, A1 and A2 and output 40.