4098 Dual monostable multivibrator, retriggerable, resettable. +----------+ 1Cext |1 +--+ 16| VCC 1RCext |2 15| 2Cext /1RST |3 14| 2RCext 1TR |4 13| /2RST /1TR |5 4098 12| 2TR 1Q |6 11| /2TR /1Q |7 10| 2Q GND |8 9| /2Q +----------+ [This information is part of the GIICM] !!Pin 3 and 13 were non-inverted in the original GIICM version. !!Correction send by Egbert-Jan Holleman