Description
318 temporary data storage RAM
Working current of 2.0V, less than 300nA
Simple 3 wire interface
Compatible with TTL Vcc=5V
The real-time clock/calendar circuit provides seconds, hours, days, weeks, months, years of information, a number of days in the month and leap year can automatically adjust. The clock operation instructions through the AM/PM decided to use 24 or 12-hour format.
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