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4-wire Serial Interface(SPI Bus)

Products	*1 Time Keeping Current	*2 Time Keeping Voltage (V)	*3 Alarm Interrupt	*4 Periodic Interrupt	*5 32 kHz Clock	*6 Clock Adjustment Function	*7 OSC Halt Sensing	Packages [PDF]	Others	Data Sheet [PDF]
R2043K/T	Typ. 0.45µA (3V)	1.00 to 5.5	2set (W/H/M) (H/M)	2Hz to 1month	Open Drain			FFP12 (R2043K) TSSOP10G (R2043T)	-	(474KB)
R2045S/D	Typ. 0.48µA (3V)	1.15 to 5.5	2set (W/H/M (H/M)	2Hz to 1month	Open Drain			SOP14 (R2045S) SON22 (R2045D)	*10 Incoporated Crystal Unit, High precision (0±5ppm)	(644KB)
Rx5C348A/B	Typ.0.35µA (3V)/ Typ.0.55µA (3V)	1.45 to 5.50	2set (W/H/M) (H/M)	2Hz to 1month	Open Drain/ Open Drain (ever-on)			SSOP10 SSOP10G TSSOP10G	-	(1.36MB)

*	All PDF files are less than 1MB unless otherwise stated.
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