2PCS SN7420N DUAL 4-INPUT POSITIVE-NAND GATES 5420 7420

TI SN7400 Gold Flat-Pack Quad 2-IN NAND Gate IC

TI SN7410 Gold Flat-Pack 3x 3-IN NAND Gate Logic IC, RARE 1960s

TI SN7440 Gold Flat-Pack Dual 4-IN NAND Gate IC, RARE 1960s

TI SN74H40 Gold Flat-Pack Dual 4-IN NAND Gate IC, RARE 1960s

TI SN74H20 Gold Flat-Pack Dual 4-IN NAND Gate IC, RARE 1960s

(4) Dual 4-Input NAND Gate Flat-Pack ICs (5420,7420) Signetics

SN 7420 Dual 4 Input Nand Gate LOT OF 2 PCS