Help on CMOS 3-input XOR gate | All About Circuits Oct 08, 2010Hello, I'm trying to sketch a transistor-level schematic for a CMOS 3-input XOR gate, and am unsure about how to go about doing this. I know that the basic equation for a 3-input XOR is: Y = ABC + A'B'C + A'BC' + AB'C' (where Y is output) But I'm unsure on exactly how to arrange the nFETs and pFETs to design this system. Can someone please help me?3 Input 24V XOR? Switch? Relay? for Fresh Air Makup DamperOct 03, 2018three input xor using mosfet | All About CircuitsJan 19, 2016Is it Possible 4 input XOR gate ? why ? | Page 3 | AllSep 20, 2015Is it Possible 4 input XOR gate ? why ? | All About CircuitsSep 11, 2015See more results Exclusive OR Gate(XOR-Gate) - Electronics Hub Jul 14, 2015The Boolean function for the 3- input XOR gate is. Q = A B C = ABC + A’B’C + A’BC’ + AB’C’. The truth table and logic symbol for 3-input XOR gate is given below. 3-Input Ex-OR gate logic symbol. Truth table of 3 input xor gate. For XOR gates, we can have the HIGH input when odd numbers of inputs are at HIGH level.