[elecena] RTC-72421A PDIP18 - zmiany ceny Clock/Calendar, 4-bit Parallel Interface 120ns, +/-10 ppm, 4.5÷5.5V, -10÷70°C RTC72421A Q42724211000100; RTC-72421 OBSOLETE LTB:26Mrch21; RTC-72421A PDIP18 - 54.64 PLN https://elecena.pl/product/23271419/rtc-72421a-pdip18 2023-04-21 RTC-72421A PDIP18 - 54.66 PLN https://elecena.pl/product/23271419/rtc-72421a-pdip18 2025-05-09