74F169 4-bit up/down binary synchronous counter
74F169DC Synchronous Up/Down Counter
74F169PC 4-Stage Synchronous Bidirectional Counter
74F169SC 4-Stage Synchronous Bidirectional Counter
74F169SCX Synchronous Up/Down Counter
74F169SJ 4-Stage Synchronous Bidirectional Counter
74F169SJX Synchronous Up/Down Counter