Family Code (hex) | Component / Chip | Description (Memory Size in bits, wnaa) |
---|---|---|
01 | (DS1990A), (DS1990R), DS2401, DS2411 | 1-Wire net address (registration number) only |
02 | (DS1991)* | Multikey iButton, 1152-bit secure memory |
04 | (DS1994), DS2404 | 4Kb NV RAM memory and clock, timer, alarms |
05 | DS2405* | Single addressable switch |
06 | (DS1993) | 4Kb NV RAM memory |
08 | (DS1992) | 1Kb NV RAM memory |
09 | (DS1982), DS2502 | 1Kb EPROM memory |
0A | (DS1995) | 16Kb NV RAM memory |
0B | (DS1985), DS2505 | 16Kb EPROM memory |
0C | (DS1996) | 64Kb NV RAM memory |
0F | (DS1986), DS2506 | 64Kb EPROM memory |
10 | (DS1920) | Temperature with alarm trips |
12 | DS2406, DS2407* | 1Kb EPROM memory, 2-channel addressable switch |
14 | (DS1971), DS2430A* | 256-bit EEPROM memory and 64-bit OTP register |
1A | (DS1963L)* | 4Kb NV RAM memory with write cycle counters |
1C | DS28E04-100 | 4096-bit EEPROM memory, 2-channel addressable switch |
1D | DS2423* | 4Kb NV RAM memory with external counters |
1F | DS2409* | 2-channel addressable coupler for sub-netting |
20 | DS2450 | 4-channel A/D converter (ADC) |
21 | (DS1921G), (DS1921H), (DS1921Z) | Thermochron® temperature logger |
23 | (DS1973), DS2433 | 4Kb EEPROM memory |
24 | (DS1904), DS2415 | Real-time clock (RTC) |
27 | DS2417 | RTC with interrupt |
29 | DS2408 | 8-channel addressable switch |
2C | DS2890* | 1-channel digital potentiometer |
2D | (DS1972), DS2431 | 1024-bit, 1-Wire EEPROM |
37 | (DS1977) | Password-protected 32KB (bytes) EEPROM |
3A | (DS2413) | 2-channel addressable switch |
41 | (DS1922L), (DS1922T), (DS1923), DS2422 | High-capacity Thermochron (temperature) and Hygrochron™ (humidity) loggers 42 |
The list does not claim to be complete.
* These chips are no longer recommended for new designs.