[elecena] SN7400 - zmiany ceny SN 7400 QUAD 2-NPUT NAND GATE = DM7400/SN7400N = D100DDS CASE: DIP-14 SN7400 - 0.99 EUR https://elecena.pl/product/16839554/sn7400 2020-05-13 SN7400 - 4.54 EUR https://elecena.pl/product/16839554/sn7400 2026-09-06