74260 Dual 5-input NOR gates. +----------+ ___________ 1A |1 +--+ 14| VCC Y = (A+B+C+D+E) 1B |2 13| 2D 1E |3 74 12| 2C 1C |4 260 11| 2E 1D |5 10| 2B /1Y |6 9| 2A GND |7 8| /2Y +----------+ [This information is part of the GIICM]