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
Clock
Adjust
Function
OSC
Halt
Sensing
Back-up
battery
switch-over
circuit
VD with
DELAY
Function
Others Package Data
Sheet
(PDF)
R2043x 0.45µA
(at 3V)
Typ. 0.66V to 5.50V
Worst.1.0V to 5.5V
2set
(W/H/M, H/M)
0.5s to
1Month
Nch Open drain
(Controllable by command)
1.6V or 1.3V * *       QFN023023-16
TSSOP10G
Download
R2045S 0.48µA
(at 3V)
1.15V to 5.50V 2set
(W/H/M, H/M)
0.5s to
1Month
Nch Open drain
(Controllable by command)
2.1V or 1.3V * *     Built-in crystal unit
Frequency Deviation
(0±5ppm)
SOP14 Download
Rx5C348A 0.35µA
(at 3V)
1.45V to 5.50V 2set
(W/H/M, H/M)
0.5s to
1Month
Nch Open drain
(Controllable by command)
2.1V or 1.6V * *       Download
1.41MB
RV5C348B 0.55µA
(at 3V) 
Nch Open drain
(Keeping output enabled)
  • *All PDF files are less than 1MB unless otherwise stated.
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