| Manufacturer | Part # | Datasheet | Description |

Dallas Semiconductor
|
DS1306 |
277Kb/20P |
Serial Alarm Real Time Clock RTC |

Maxim Integrated Produc...
|
DS1375 |
197Kb/13P |
I2C Digital Input RTC with Alarm Rev 2; 9/08 |

Dallas Semiconductor
|
DS1305 |
257Kb/22P |
Serial Alarm Real Time Clock RTC |

Ramtron International C...
|
FM3130 |
262Kb/22P |
Integrated RTC/Alarm and 64Kb FRAM |

Epson Company
|
RTC4573 |
157Kb/12P |
Serial RTC with Alarm and Timer |

Dallas Semiconductor
|
DS1375 |
315Kb/11P |
2-Wire Digital Input RTC with Alarm |

Ramtron International C...
|
FM3130 |
401Kb/22P |
Integrated RTC/Alarm and 64Kb F-RAM |
| FM3135 |
267Kb/21P |
Integrated RTC/Alarm/F-RAM & Embedded Crystal |

Maxim Integrated Produc...
|
MAX6916 |
338Kb/28P |
SPI-Compatible RTC with Microprocessor Supervisor, Alarm, and NV RAM Controller Rev 0; 10/05 |
| MAX6917 |
315Kb/31P |
I2C-Compatible RTC with Microprocessor Supervisor, Alarm, and NV RAM Controller Rev 1; 10/05 |

NXP Semiconductors
|
PCF85053A |
662Kb/43P |
Bootable CPU RTC with two I2C buses, 128 byte SRAM and alarm function Rev. 1.0 - 31 January 2023 |

AAEON Technology
|
RBC-1200-000 |
456Kb/1P |
4-bay Battery Charger for RTC-1010/ RTC-1010M, RTC-1200 |

Renesas Technology Corp
|
X1243 |
713Kb/17P |
16K (2K x 8), 2-Wire RTC Real Time Clock/Calendar/Alarm with EEPROM April 28, 2005 |

Dallas Semiconductor
|
DS1904 |
72Kb/12P |
RTC iButton |

Epson ToYoCom
|
RTC-8563SA |
379Kb/2P |
RTC-8563SA |
| RTC-58321 |
467Kb/2P |
RTC-58321 |

Abracon Corporation
|
ASTMK06 |
3Mb/5P |
RTC reference clock 06.17.2017 |

AAEON Technology
|
RDS-411 |
409Kb/2P |
Rugged Docking Station for RTC-1010 / RTC-1010M |

Golledge Electronics Lt...
|
RV3049C2 |
749Kb/5P |
RTC SPI Bus |
| RV3049C3 |
749Kb/5P |
RTC SPI Bus |