[elecena] MCP7940M-I/SN - zmiany ceny Zegar czasu rzeczywistego; MICROCHIP; MCP7940M-I/SN; Clock; 1.8 V - 5.5 V; 64 B; HH:MM:SS MCP7940M-I/SN - 4.59 PLN https://elecena.pl/product/30534161/mcp7940m-i-sn 2026-07-26 MCP7940M-I/SN - 4.51 PLN https://elecena.pl/product/30534161/mcp7940m-i-sn 2026-09-23