74290 4-bit asynchronous decade counter with /2 and /5 sections, set(9) and reset. (my databook mentions 'HIGH CUNT RATES' here) +----------+ SET1 |1 +--+ 14| VCC |2 13| RST2 SET2 |3 74 12| RST1 Q2 |4 290 11| /CLK1 Q1 |5 10| /CLK0 |6 9| Q0 GND |7 8| Q3 +----------+ [This information is part of the GIICM]