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RS5C348A Datasheet, PDF (1/53 Pages) RICOH electronics devices division – 4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION 
4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICS
WITH VOLTAGE MONITORING FUNCTION
R×5C348A/B
APPLICATION MANUAL
ELECTRONIC DEVICES DIVISION
NO.EA-054-9908