2 x SN74161J ORIGINAL CEAMIC NSC Synchronous 4-Bit Counters DM7416AJ 74161 IC

2 x DM74161AJ ORIGINAL CERAMIC NSC Synchronous 4-Bit Counters SN74161J 74161 IC

10 x GENUINE 74161N SIGNETICS Synchronous 4-Bit Counters SN74161N 74161 IC

3 x SN74161J ORIGINAL CERAMIC AMD Synchronous 4-Bit Counters 74161 IC NEW

4 x SN84161N ORIGINAL T. I. FLJ415 74161 Clock 4-Bit Binary MILITARY NEW IC

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

10 x SN74161N ORIGINAL Texas Instruments Synchronous 4-Bit Counters 74161 IC

5 x SN74S169N by Texas Instruments Synchronous 4-Bit Up/Down Binary Counters IC