74122 Retriggerable monostable multivibrator with overriding reset and integrated 10kO timing resistor. +----------+ /TR1 |1 +--+ 14| VCC /TR2 |2 13| RCext TR1 |3 74 12| TR2 |4 122 11| Cext /RST |5 10| /Q |6 9| Rint GND |7 8| Q +----------+ [This information is part of the GIICM]