4-Bit Bidirectional Counter, 3-State, 30MHz, 5V, PDIP
Synchronous 4-Bit Up/Down Binary Counters With 3-State Outputs 20-PDIP 0 to 70
4-Bit Synchronous Up/Down Counter, 3-State, PDIP
Counter Single 4-Bit Binary UP/Down 20-Pin SOP
Counter Single 4-Bit Binary UP/Down 20-Pin SOP Tube