4-Bit Synchronous Binary Counter, 40MHz, 5V, 16-PDIP
4-Bit Synchronous Binary Counter, 70MHz, PDIP
Synchronous 4-Bit Up/Down Binary Counter 16-PDIP 0 to 70
14-Pin Commercial-Grade Decade Counter IC
Counter Single 4-Bit Sync Binary UP 16-Pin PDIP Tube
SN74S189N
