4041 Quad buffers with complementary outputs. +----------+ +-----------+ 1Y |1 +--+ 14| VCC | A | Y |/Y | Y = A /1Y |2 13| 4A |---+---+---| 1A |3 12| /4Y | 0 | 0 | 1 | 2Y |4 4041 11| 4Y | 1 | 1 | 0 | /2Y |5 10| 3A +-----------+ 2A |6 9| /3Y GND |7 8| 3Y +----------+ [This information is part of the GIICM]