5 x KR531IE17 = SN74S169N 74S169 Russian Synchronous 4-Bit Up Down Counter IC

SN74S169N TI Synchronous 4-bit Up/Down Binary Counters DIP16

5 x MH74ALS192 74ALS192 Synchronous Binary 4-Bit Up Down Counter with Preset IC

5 x Vintage K555IE7 = SN74LS193N 74LS193 4-BIT UP / DOWN COUNTERS IC

6 x Genuine SN74S163N T.Instruments Synchronous 4-Bit Binary Counters IC 74S163

5 x GENUINE SN74191N 74191 T.I Synchronous 4-bit up/down binary counters NEW IC

4 X 74LS191N SIGNETICS 4Bit UP/DOWN BINARY COUNTER 16-PIN DIP SIGNETICS NEW IC

5 x Genuine DM74S163N NSC Synchronous 4-Bit Binary Counters 74S163 IC