| Model | Memory Type | Memory Size | Application | Cost | Lifespan | |
| DS1992L | NVRAM | Allow operations in environments where electrical contacts can be intermittent | 1 KB | Applications that require data updating on a high frequency | High | Less than 10 years |
| DS1993L | 4 KB | |||||
| DS1995L | 16 KB | |||||
| DS1996L | 64 KB | |||||
| DS1982 | EPROM | Allow writing into the iButton’s memory until reaching its full capacity | 1 KB | Applications that handle permanent data but require appending information to it | Medium | Less than 10 years |
| DS1985 | 16 KB | |||||
| DS1986 | 64 KB | |||||
| DS1971 | EEPROM | Allow both read and write operations | 256 Bits | Applications that require data updating on a moderate frequency | Low | Greater than 10 years |
| DS1972 | 1024 Bits | |||||
| DS1973 | 4 KB | |||||
| DS1977 | 32 KB | |||||