[elecena] 74HC540 - zmiany ceny UKŁAD SCALONY 74HC540N DIP20 74HC540 - 5.80 PLN https://elecena.pl/product/10134638/74hc540 2017-09-01 74HC540 - 8.00 PLN https://elecena.pl/product/10134638/74hc540 2018-05-03 74HC540 - 10.00 PLN https://elecena.pl/product/10134638/74hc540 2024-12-28