[elecena] SN74HC20N - zmiany ceny Układ scalony dual 4-Input NAND Gate DIP14 SN74HC20N - 1.45 PLN https://elecena.pl/product/7167777/sn74hc20n 2016-11-23 SN74HC20N - 1.25 PLN https://elecena.pl/product/7167777/sn74hc20n 2019-05-15