| Manufacturer | Part # | Datasheet | Description |

Dallas Semiconductor
|
DS1977 |
102Kb/16P |
32KB EEPROM iButton |

Maxim Integrated Produc...
|
DS1977 |
419Kb/29P |
Password-Protected 32KB EEPROM iButton 11/09 |
| DS1973 |
75Kb/3P |
4Kb EEPROM iButton Rev 8/09 |

Dallas Semiconductor
|
DS1973 |
47Kb/2P |
4-kbit EEPROM iButton |

Maxim Integrated Produc...
|
DS1972 |
281Kb/23P |
1024-Bit EEPROM iButton Rev 3; 4/10 |
| DS1972 |
273Kb/23P |
1024-Bit EEPROM iButton REV: 083006 |

Dallas Semiconductor
|
DS1971 |
234Kb/3P |
256-Bit EEPROM iButton |

Maxim Integrated Produc...
|
DS1971 |
265Kb/4P |
256-Bit EEPROM iButton® 7/09 |

Intersil Corporation
|
X5323 |
360Kb/21P |
CPU Supervisor with 32Kb SPI EEPROM |

Maxim Integrated Produc...
|
DS1411 |
58Kb/2P |
Provides Strong Pullup to 5V for Temperature iButton and EEPROM iButton Rev 6/11 |

Dallas Semiconductor
|
DS1961S |
360Kb/36P |
1kb Protected EEPROM iButton With SHA-1 Engine |

Maxim Integrated Produc...
|
DS1961S |
364Kb/36P |
1kb Protected EEPROM iButton With SHA-1 Engine 092302 |

STMicroelectronics
|
M28256 |
132Kb/21P |
256 Kbit 32Kb x8 Parallel EEPROM with Software Data Protection |
| M28C256 |
132Kb/21P |
256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection January 1999 |

Dallas Semiconductor
|
DS1963S |
349Kb/37P |
SHA iButton |

Maxim Integrated Produc...
|
DS9092 |
274Kb/3P |
iButton Probe 8/09 |
| DS9107 |
143Kb/3P |
iButton Capsule 11/09 |
| DS1920 |
531Kb/22P |
Temperature iButton Rev 8/09 |

Dallas Semiconductor
|
DS1904 |
72Kb/12P |
RTC iButton |
| DS1921G |
497Kb/45P |
Thermochron iButton |