5PCS 74LS191 Matsushita Synchronous 4-Bit Up Down Binary Counter IC DIP-16

Signetics 74LS191N Synchronous Up/Down Binary Counter DIP16 - New

2X TC4029BP Toshiba Presettable Synchronous Up Down Binary Decade Counter DIP-16

12PCS SN74LS161AN TI Synchronous 4-Bit Binary Counter IC DIP-16

5PCS GD74LS163A GS Synchronous Presettable 4-Bit Binary Counter IC DIP-16

SN74LS193N Motorola IC - 4-BIT UP/DOWN COUNTER, 16-DIP.

4PCS 74LS191N Signetics Synchronous 4-Bit Up Down Binary Counter IC DIP-16

3PCS HD74LS193P Hitachi 4-Bit Synchronous Up Down Binary Counter DIP-16