4053, 744053 Triple 2-to-1 line analog multiplexer/demultiplexer with dual power supply. VEE supply may not be more positive than GND. +----------+ 1X0 |1 +--+ 16| VCC 1X1 |2 15| 1Y 2X1 |3 14| 3Y 2Y |4 13| 3X1 2X0 |5 4053 12| 3X0 /EN |6 11| 3S VEE |7 10| 1S GND |8 9| 2S +----------+ [This information is part of the GIICM]