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Часы реального времени фирмы фирмы Ricoh

Real Time Clocks Ricoh


Series Part No. Package Timekeeping Alarm Periodic
Interrupt
32kHZ
Clock
Out
Oscillation Comment
Supply
Current
µA@V
Voltage
V
Adj Half
Sensing
4-bit Parallel Interface
RP/RF5C01A
discontinued
RP5C01A DIP18 Max
15@2.2
2.2 to 5.25 1
day/week/hour/min
1.16Hz       26x4bits SRAM
RF5C01A SOP18
RP/RF/RJ5C15
discontinued
RP5C15 DIP18 Max
15@2.0
2.0 to 5.5 1
day/week/hour/min
16.384kHz
to 1 Minute
       
RF5C15 SOP18
RJ5C15 PLCC28
RP/RS5C62 RP5C62 DIP18 Max
3@2.5
2.0 to 6.0 1
hour/min
2.0484kHz
to 1 Minute
    Yes Low Supply Current
Watchdog Timer
RF5C62 SOP18
RS5C62 SSOP20
The Real Time Clock RF5C62 (SOP18) will be discontinued in the near future. Please use the RS5C62 (SSOP20) to new products.
SPI Serial Interface Type (4 wire)
RS/RV5C348A/B RS5C348A SSOP10 Typ
0.35@3.0
1.45 to 5.5 2 sets
week/hour/min
hour/min
2Hz
to 1 Month
Open
Drain
Yes Yes Supply voltage monitoring
32kHz clock can stop
Y2K compliant
RV5C348A SSOP10-G
RS5C348B SSOP10
RV5C348B SSOP10-G
Serial Type (3 wire)
RS5C313 RS5C313 SSOP8 Typ
0.7@3.0
1.6 to 6.0   1.024kHz
to 1 Month
    Yes Serial Clock "H" Active
RS5C314 RS5C314 SSOP8 Serial Clock "L" Active
RS5C316A/B RS5C316A SSOP8 Typ
0.6@3.0
1.6 to 6.0 1
week/hour/min
1.024kHz
to 1 Month
    Yes Serial Clock "H" Active
RS5C316B SSOP8 Serial Clock "L" Active
RS5C321A/B RS5C321A SSOP8 Typ
0.6@3.0
1.6 to 6.0     Open
Drain
  Yes Serial Clock "H" Active
RS5C321B SSOP8 Serial Clock "L" Active
RS5C317A/B RS5C317A SSOP14 Typ
0.6@3.0
1.6 to 6.0 1
week/hour/min
1.024kHz
to 1 Month
CMOS   Yes Serial Clock "H" Active
RS5C317B SSOP14 Serial Clock "L" Active
RS/RV5C338A RS5C338A SSOP10 Typ
0.35@3.0
1.45 to 5.5 2 sets
week/hour/min
hour/min
2Hz
to 1 Month
CMOS Yes Yes Supply voltage monitoring
32kHz clock can stop
Y2K compliant
RV5C338A SSOP10-G
RV5C339A RV5C339A SSOP10-G Open
Drain
Yes Yes
I²C Bus Interface Type (2 wire)
RS5C372A/B RS5C372A SSOP8 Typ
0.5@3.0
1.45 to 6.0 2 sets
week/hour/min
2Hz
to 1 Month
Open
Drain
Yes Yes Precision Time Trimmer
Nch. Open Drain Output
RS5C372B CMOS Precision Time Trimmer
CMOS Output
RV5C386A RV5C386A SSOP10-G Typ
0.35@3.0
1.45 to 5.5 2 sets
week/hour/min
hour/min
2Hz
to 1 Month
CMOS Yes Yes Precision Time Trimmer
Voltage Monitoring, Y2K compliant
RV5C387A RV5C387A SSOP10-G Open
Drain