Datasheet Details
| Part number | DS9490B |
|---|---|
| Manufacturer | Maxim Integrated (now Analog Devices) |
| File Size | 712.67 KB |
| Description | USB to 1-Wire/iButton Adapters |
| Datasheet |
 DS9490B Datasheet
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General Description
The DS9490B is a USB bridge and holder for a single F5-size iButton.
The iButton is securely held behind a latched door.
The DS9490R is a USB bridge with 1-Wire RJ11 interface to accommodate 1-Wire receptacles and networks.
Key Features
- High-Speed 12Mbps Universal Serial Bus (USB) Interface.
- Supports Standard and Overdrive 1-Wire® Communication.
- Slew-Rate-Controlled 1-Wire Timing and Active Pullup for Improved 1-Wire Network Performance.
- DS9490R has an RJ11 Interface for Standard Connectivity Accessories such as the DS1402D-DR8.
- DS9490B has an iButton® Interface and Retains a Fixed iButton.
- Built-In Custom DS2401 Identification Chip.
- Reads all 1-Wire and iButton Devices. Writes All Except EPR.