The DS1990R 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. Every DS1990R is factory lasered with a guaranteed unique 64-bit registration number that allows for a.
Upgrade of DS1990A Guarantees Presence Pulse on Contact Can be Read in Less Than 5ms Operating Range: 2.8V to 6.0V, -40°C to +85°C
COMMON iButton FEATURES
Unique Factory-Lasered 64-Bit Registration Number Assures Error-Free Device Selection and Absolute Traceability Because No Two Parts are Alike Built-In Multidrop Controller for 1-Wire Net Digital Identification by Momentary Contact Data can be Accessed While Affixed to Object Economically Communicates to Bus Master with a Single Digital Signal at 16.3kbps Button Shape is Self-Aligning with Cup-Shaped Probes Durable Stainless-Steel C.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | DS1990A |
Maxim Integrated |
Serial Number iButton | |
2 | DS1991 |
Dallas Semiconductor |
MultiKey iButton | |
3 | DS1992 |
Dallas Semiconductor |
(DS1992 / DS1993) 1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM | |
4 | DS1993 |
Dallas Semiconductor |
(DS1992 / DS1993) 1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM | |
5 | DS1994 |
Dallas Semiconductor |
4kb Plus Time Memory iButton | |
6 | DS1995 |
Maxim Integrated |
16Kb Memory iButton | |
7 | DS1995 |
Dallas Semiconductor |
16-kbit Memory iButton | |
8 | DS1996 |
Maxim Integrated |
64Kb Memory iButton | |
9 | DS1996 |
Dallas Semiconductor |
64kbit Memory iButtonTM | |
10 | DS1904 |
Maxim Integrated |
RTC iButton | |
11 | DS1920 |
Maxim Integrated |
Temperature iButton | |
12 | DS1921G |
Maxim Integrated |
Thermochron iButton Device |