I am desinging a display unit to read a counter (runs from 2 to 12) and a 7 bit register (value from 0 to 90). So am planning to use 2 Dual 7 segment display....the problem is how to decode 3 bit line from counter to one dual segment display n other 7 bit line frm register to another dual segement display..it wud be grt if u could mention the IC no too..