iButton Products

ID Only

iButton DS1990A: iButton Serial Number
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Memory

 
NV RAM
iButton DS1992L: iButton 1Kb/4Kb Memory
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iButton DS1993L: iButton 1Kb/4Kb Memory
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iButton DS1995L: iButton 16Kb Memory
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iButton DS1996L: iButton 64Kb Memory
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EPROM
iButton DS1982: iButton 1Kb Add-Only
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iButton DS1985: iButton 16Kb Add-Only
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iButton DS1986: iButton 64Kb Add-Only
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UniqueWare
iButton DS1982U: UniqueWare iButton Device
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iButton DS1985U: UniqueWare iButton Device
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EEPROM
iButton DS1971: iButton 256-Bit EEPROM
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iButton DS1972: iButton 1024-Bit EEPROM
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iButton DS1973: iButton 4Kb EEPROM
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iButton DS1977: iButton 32KB EEPROM
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Real-Time Clock

iButton DS1904: iButton RTC
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iButton DS1994L: iButton 4Kb Memory Plus Time
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Secure

 
Password Protected Memory
iButton DS1991: iButton MultiKey
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iButton DS1977: iButton 32KB EEPROM
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Monetary with SHA1 Challenge Response Algorithm
iButton DS1961S: iButton 1Kb EEPROM with SHA-1 Engine
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iButton DS1963S: iButton Monetary Device with SHA-1 Function
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Sensor

 
Temperature Only
iButton DS1920: iButton Temperature Logger
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Data Logger

 
Generic Data Logger
Data Logger DS2422: 1-Wire Temperature/Data Logger with 8KB Datalog Memory
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Temperature Loggers
iButton DS1921L: Looking for the DS1921L?
iButton DS1921G: Thermochron iButton Device
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iButton DS1921H: High-Resolution Thermochron iButton Device
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iButton DS1921Z: High-Resolution Thermochron iButton Device
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High Capacity Temperature Loggers
iButton DS1922L: iButton Temperature Logger with 8KB Datalog Memory
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iButton DS1922T: iButton Temperature Logger with 8KB Datalog Memory
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iButton DS1922E: iButton Temperature Logger with 8KB Datalog Memory
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Data Logger DS2422: 1-Wire Temperature/Data Logger with 8KB Datalog Memory
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Humidity Logger
iButton DS1923: Hygrochron iButton Device with 8KB Datalog Memory
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