BUY M48T86-MH1 https://www.utsource.net/itm/p/1568041.html
5.0 V PC real-time clock
Description: The M48T86-MH1 is a low-power CMOS real-time clock (RTC) and calendar with 56 bytes of non-volatile user RAM. Features: Low power CMOS technology Real-time clock/calendar 56 bytes of non-volatile user RAM Programmable periodic interrupt Programmable square wave output Battery backup input Operating voltage range: 2.0V to 5.5V Operating temperature range: -40°C to +85°C Package: SOP28 Applications: Automotive Industrial Medical Home appliances Telecommunications Networking Security systems
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