| Manufacturer | Part # | Datasheet | Description |

Golledge Electronics Lt...
|
RV3049C2 |
749Kb/5P |
RTC SPI Bus |
| RV3049C3 |
749Kb/5P |
RTC SPI Bus |
| RV2123C2 |
748Kb/5P |
RTC SPI Bus Low Power |

STMicroelectronics
|
M41T93 |
382Kb/51P |
Serial SPI bus RTC with battery switchover |
| M41T93 |
446Kb/51P |
Serial SPI bus RTC with battery switchover |
| M41T93 |
416Kb/49P |
Serial SPI bus RTC with battery switchover |

Maxim Integrated Produc...
|
DS3234 |
282Kb/21P |
Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM Rev 3; 7/10 |
| DS3234 |
291Kb/21P |
Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM Rev 2; 10/08 |
| DS3234 |
292Kb/20P |
Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM Rev 1; 7/07 |
| DS3234 |
314Kb/20P |
Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM Rev 0; 2/06 |

Golledge Electronics Lt...
|
RV3029C2 |
748Kb/5P |
RTC I C Bus |
| RV8564C3 |
743Kb/5P |
RTC I C bus |
| RV3029C3 |
748Kb/5P |
RTC I C bus |
| RV8564C2 |
732Kb/5P |
RTC I C bus |
| RV4162C7 |
741Kb/5P |
RTC I C bus |

Maxim Integrated Produc...
|
MAX6902 |
227Kb/18P |
SPI-Compatible RTC in a TDFN Rev 1; 7/03 |

Rohm
|
BR25G320-3 |
2Mb/36P |
SPI BUS EEPROM |
| BR25G1M-3 |
719Kb/33P |
SPI BUS EEPROM |
| BR25S320-W |
678Kb/35P |
SPI BUS EEPROM |
| BR25G128-3 |
769Kb/36P |
SPI BUS EEPROM |