4 x 7486PC TUNGSRAM Quad 2-Input Exclusive OR XOR Gate IC SN7486N DM7486N 7486

5 x Genuine HD74S64P HITACHI 4-2-3-2 INPUT AND-OR-INVERT GATES 74S64 IC

2x 74H21DC CERAMIC Fairchild Dual 4-input Positive AND Gate IC SN74H21N MC74H21L

10 x Genuine Vintage MH74ALS20 74ALS20 TESLA Dual 4-Input NAND gate IC

5 x HEF4027BP PHILIPS Flip-Flop Dual-JK Master-Slave 4027 DIP-16 IC NEW

5 x CDB420E Baneasa DUAL 4-INPUT POSITIVE-NAND GATES IC

5 xGenuine Vintage HD74S20P Hitachi Japan DUAL 4-INPUT NAND GATE SN74S20N IC NEW

7 x Genuine Vintage S 74S20N SIGNETICS DUAL 4-INPUT NAND GATE IC