A Ring Counter is a type of digital circuit that is used to count the number of pulses or cycles in a given sequence. It is composed of a series of flip-flops connected in a circular fashion, with the output of one flip-flop connected to the input of the next. The two crossword solutions for the term Ring Counter are REFEREE (7 letters) and REF (3 letters). REFEREE is a person who enforces the rules of a game or sport, while REF is an abbreviation for REFEREE.