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Real time clock module
LOW BACKUP VOLTAGE SERIAL-INTERFACE REAL TIME CLOCK MODULE
RX - 4571 LC / NB / SA
•Built in frequency adjusted 32.768 kHz crystal unit.
•Interface Type
: 3-wire serial interface
•Operating voltage range
: 1.6 V to 5.5 V
•Wide Timekeeper voltage range : 1.0 V to 5.5 V / Ta = +25 °C
•Low backup current
: 0.32 µA ( Typ. ) / 3 V
•32.768 kHz frequency output function : C-MOS output With Control Pin
•Real-time clock function
Clock/calendar function, auto leap year correction function,
alarm interrupt function, etc.
Actual size RX-4571LC
Epson Toyocom
Product Number (Please contact us) RX-4571LC : Q414571C1000100 RX-4571NB : Q41457191000100 RX-4571SA : Q41457151000100
RX-4571NB
RX-4571SA
Block diagram
Overview
FOUT FOE
/ IRQ
DIO CLK CE
32.