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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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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