The DS1990A serial number iButton® is a rugged data carrier that serves as an electronic registration number for automatic identification.
Data is transferred serially through the 1-Wire® protocol, which requires only a single data lead and a ground return.
| Part number | DS1990A |
|---|---|
| Manufacturer | Maxim Integrated (Analog Devices) |
| File Size | 336.53 KB |
| Description | Serial Number iButton |
| Datasheet |
 DS1990A Datasheet
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| Part Number | Description | Manufacturer |
|---|---|---|
| DS1990R | Serial Number IButton | Maxim Integrated Products |
| DS1991 | MultiKey iButton | Dallas Semiconductor |
| DS1992 | (DS1992 / DS1993) 1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM | Dallas Semiconductor |
| DS1993 | (DS1992 / DS1993) 1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM | Dallas Semiconductor |
| DS1994 | 4kb Plus Time Memory iButton | Dallas Semiconductor |
| Part Number | Description |
|---|---|
| DS1995 | 16Kb Memory iButton |
| DS1996 | 64Kb Memory iButton |
| DS1904 | RTC iButton |
| DS1920 | Temperature iButton |
| DS1921G | Thermochron iButton Device |
The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.
