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4 x HD74161P HITACHI ORIGINAL Synchronous 4-Bit Counters 74161 IC NEW

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

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

10 x Genuine SN74S283N TEXAS INSTRUMENTS 4-Bit Binary Full Adders Fast Carry IC

10 x 74S85N SIGNETICS 74S85 4-BIT MAGNITUDE COMPARATOR IC SN74S85N 74S85PC