AMD SN74S161N Synchronous 4 Bit Binary Counter - NOS

Signetics 74LS161AD Synchronous 4 Bit Binary Counter - NOS

National DM74163AN Synchronous 4 Bit Binary Counter - NOS

74LS191N DIP IC Synchronous Up/Down 4-Bit DIGITAL BINARY COUNTER Mode Control

NTE74LS161A, Low Power Schottky Synchronous 4-Bit Binary Counter w/Direct Clear

6PCS DM74163AN 4-bit Synchronous Binary Counter w/ Bipolar Input SN74163N 74163

74F193N Signetics DIP-16 Synchronous 4-Bit Binary Counter IC

4PCS SN74LS163AN 4-bit synchronous binary counter DM74LS163 74LS163 NOS