Parallel RTC Clock/Calendar IC, 28‑EDIP
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The DS1643-100+ is a real-time clock (RTC) and calendar integrated circuit manufactured by Maxim Integrated. This device provides accurate timekeeping functionality, tracking seconds, minutes, hours, day, date, month, and year. It features a parallel interface for communication and comes in a 28-pin EDIP package.
This RTC IC is commonly used in systems requiring precise time and date information. It is suitable for various embedded applications where maintaining accurate time is critical, even when the main system power is off.