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4-wire Serial Interface (SPI Bus)

Product
Name
Time Keeping
Current
Typ.
Time Keeping
Voltage
Alarm
Function
Perodic
Interupt
Function
32kHz Clock Output Battery
Checker
Back-up
Battery
Switch-over
Circuit
VD with
DELAY
Function
Other Features Package Data
Sheet
(PDF)
R2043x 0.45µA
(at 3V)
Typ. 0.66V to 5.50V
Worst.1.0V to 5.5V
2 Sets
(W/H/M, H/M)
0.5s to
1Month
Nch Open Drain Output
(Controllable by Command)
1.6V or 1.3V N N   QFN023023-16
TSSOP10G
DL
R2045S 0.48µA
(at 3V)
1.15V to 5.50V 2 Sets
(W/H/M, H/M)
0.5s to
1Month
Nch Open Drain Output
(Controllable by Command)
2.1V or 1.3V N N Built-in Crystal Unit,
Frequency Deviation
(0±5ppm)
SOP14 DL
Rx5C348A 0.35µA
(at 3V)
1.45V to 5.50V 2 Sets
(W/H/M, H/M)
0.5s to
1Month
Nch Open Drain Output
(Controllable by Command)
2.1V or 1.6V N N   SSOP10 SSOP10G DL
1.41MB
RV5C348B 0.55µA
(at 3V)
Nch Open Drain Output
(Keeping Output Enable)
SSOP10G

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