74490 Dual 4-bit asynchronous decade counters with set(9) and reset. +----------+ /1CLK |1 +--+ 16| VCC 1RST |2 15| /2CLK 1QA |3 14| 2RST 1SET |4 74 13| 2Q0 1QB |5 490 12| 2SET 1QC |6 11| 2Q1 1QD |7 10| 2Q2 GND |8 9| 2Q3 +----------+ [This information is part of the GIICM]