RICOH imagine.change. RICOH ELECTRONIC DEVICES CO., LTD.

  • Home
  • Products & Services
  • Sales & Support
  • Environment
  • About Us

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
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 Y Y N N   QFN023023-16
TSSOP10G
Download
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 Y Y N N Built-in Crystal Unit,
Frequency Deviation
(0±5ppm)
SOP14 Download
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 Y Y N N   Download
1.41MB
RV5C348B 0.55µA
(at 3V) 
Nch Open Drain Output
(Keeping Output Enable)

*

  • Buy Products / Order Sample

Distributors

Ricoh semiconductor products are available at those dealers.
  • *All PDF files are less than 1MB unless otherwise stated.
  • *If you don't have Adobe Reader, you can download free.
Get Adobe Reader Get Adobe Reader

Product Catalog

  • Product Catalog

    Selection guide is available for download in PDF format.

Page Top