[elecena] SN74HC257DR - zmiany ceny IC: multiplekser; SMD; SO16; -40÷85°C; 2÷6VDC; rolka,taśma SN74HC257DR - 1.46 PLN https://elecena.pl/product/29509888/sn74hc257dr 2025-11-15 SN74HC257DR - 1.48 PLN https://elecena.pl/product/29509888/sn74hc257dr 2026-03-06