Device | FC | Description | 1-Wire Extended Network Support |
DS1425 | 02 | Multikey iButton, 1152-bit secure memory | |
DS1427 | 04 | 4k NV RAM memory and clock, timer, alarms | |
DS1820 | 10 | Temperature and alarm trips | |
DS1822 | 22 | 1-Wire Econo temp sensor | |
DS1825 | 3B | 1-Wire thermometer with 4-bit address | |
DS18B20 | 28 | Adjustable resolution temperature | |
DS18S20 | 10 | Temperature and alarm trips | |
DS1982 | 09 | 1k EPROM memory | |
DS1985 | 0B | 16k EPROM memory | |
DS1986 | 0F | 64k EPROM memory | |
DS1904 | 24 | Real-Time Clock (RTC) iButton | |
DS1920 | 10 | Temperature and alarm trips | |
DS1921G DS1921H DS1921Z | 21 | Thermochron temperature logger | |
DS1922L DS1922T DS1923 | 41 | High-Capacity Thermochron and/or Hygrochron. temperature and/or humidity dataloggers, respectively |
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DS1961S | 33 | 1k EEPROM memory with SHA-1 engine | |
DS1963L | 1A | 4k NV RAM memory with write cycle counters | |
DS1963S | 18 | 4K NVRAM memory and SHA-1 engine | |
DS1971 | 14 | 256-bit EEPROM memory and 64-bit OTP register | |
DS1972 | 2D | 1k EEPROM memory | |
DS1973 | 23 | 4k EEPROM memory | |
DS1977 | 37 | Password-protected 32kB (bytes) EEPROM | |
DS1990A DS1990R | 01 | 1-Wire address only | |
DS1991 | 02 | Multikey iButton, 1152-bit secure memory | |
DS1992 | 08 | 1k NV RAM memory | |
DS1993 | 06 | 4k NV RAM memory | |
DS1994 | 04 | 4k NV RAM memory and clock, timer, alarms | |
DS1995 | 0A | 16k NV RAM memory | |
DS1996 | 0C | 64k NV RAM memory | |
DS2401 | 01 | 1-Wire address only | |
DS2405 | 05 | Single switch | |
DS2404 | 04 | 4k NV RAM memory and clock, timer, alarms | |
DS2406 DS2407 | 12 | 1k EPROM memory, 2-channel addressable switch | |
DS2408 | 29 | 8-channel addressable switch | |
DS2409 | 1F | Dual switch, coupler | |
DS2411 | 01 | Low-voltage, unique 64-bit serial ROM number (requires VDD connection) | |
DS2413 | 3A | Dual-channel addressable switch | |
DS2415 | 24 | RTC | |
DS2417 | 27 | RTC with interrupt | |
DS2422 | 41 | High-capacity Thermochron/Hygrochron (temperature and humidity) datalogger | |
DS2423 | 1D | 4k NV RAM memory with external counters | |
DS2430A | 14 | 256-bit EEPROM memory and 64-bit OTP register | |
DS2431 | 2D | 1024-bit EEPROM memory | |
DS2432 | 33 | 1k EEPROM memory with SHA-1 engine | |
DS2433 | 23 | 4k EEPROM memory | |
DS2436 | 1B | 1-Wire battery ID with temperature and voltage monitor | |
DS2438 | 26 | Temperature, ADC | |
DS2450 | 20 | Quad ADC | |
DS2502 | 09 | 1k EPROM memory | |
DS2505 | 0B | 16k EPROM memory | |
DS2506 | 0F | 64k EPROM memory | |
DS2720 | 31 | 1-Wire single-cell Lithium recharger with protection | |
DS2740 | 36 | 1-Wire coulomb counter (high precision) | |
DS2751 | 51 | 1-Wire fuel gauge for 1-cell Li+ or 3-cell NiMH | |
DS2760 | 30 | Temperature, current, ADC | |
DS2761 | 2B | 1-Wire Li+ monitor | |
DS2762 | 30 | 1-Wire battery monitor and protector | |
DS2770 | 2E | 1-Wire battery monitor and charge controller | |
DS2780 | 32 | Stand-alone 1-Wire fuel gauge | |
DS2890 | 2C | Single-channel digital potentiometer | |
DS28E04-100 | 1C | 4096-bit EEPROM memory, two-channel addressable switch | |
Parameter | Speed | Min/Max | Standard | Extended Network |
tREC | Standard | Min | 1 | 5 |
Overdrive | Min | 1 | 2 | |
tREC (before reset) | Overdrive | Min | 1 | 5 |
tREH | Standard | Min | — | 0.5 |
Standard | Max | — | 5 | |
Overdrive | Min | — | 0.5 | |
Overdrive | Max | — | 5 | |
tRL | Standard | Min | 1 | 5 |
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