7458 2-wide 2-input and 2-wide 3-input AND-OR gates. +----------+ 1A |1 +--+ 14| VCC 1Y = (1A*1B*1C)+(1D*1E*1F) 2A |2 13| 1B 2B |3 12| 1C 2C |4 7458 11| 1D 2Y = (2A*2B)+(2C*2D) 2D |5 10| 1E 2Y |6 9| 1F GND |7 8| 1Y +----------+ [This information is part of the GIICM]