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RTC-4543SB

•Built in frequency adjusted 32.768 kHz crystal unit.
•Interface type : Serial-interface
•Operating voltage range : 2.5 V to 5.5 V
•Wide Timekeeper voltage range : 1.4 V to 5.5 V
•32.768kHz frequency output function : C-MOS output With Control Pin
•The various functions include full calendar, timer, and low voltage detection.
•Complies with EU RoHS directive
Block diagram

Pin description

External dimensions (Unit: mm)