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DS9490B Datasheet PDF

Maxim Integrated DS9490B

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.
Part No. DS9490B
Datasheet DS9490B Download
Manufacturer
Maxim Integrated
Description USB to 1-Wire/iButton Adapters
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DS9490B datasheet page 1 preview

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 EPROM 1-Wire/iButton Devices

APPLICATIONS

● Software Authorization—Protection against software piracy by tying software operation to the presence of iButton hardware.
● iButton Initialization and Download—Loggers like the ThermochrFoun®nccatniboenmailssDioinaedgarnadms downloaded.
● Demonstration—Demonstrate the features of iButtons or 1-Wire chips on personal computers.
● Development—Aid development of 1-Wire applications by providing a PC interface to verify device contents and state. TYPICAL OPERATING CIRCUIT PC U...
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