74204 6-line inverting clock driver. +----------+ 1Y |1 +--+ 20| 1A 2Y |2 19| 2A 3Y |3 18| 3A GND |4 17| GND |5 74 16| VCC GND |6 204 15| VCC GND |7 14| 4Y |8 13| 4A 5Y |9 12| 5A 6Y |10 11| 6A +----------+ [This information is part of the GIICM]