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DS9490B Datasheet

  • DS9490B

  • USB to 1-Wire/iButton Adapter

  • 5頁

  • DALLAS   DALLAS

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DS9490R/DS9490B
USB to 1-Wire/iButton Adapter
www.maxim-ic.com
FEATURES
摟
摟
摟
摟
摟
摟
摟
High-Speed 12Mbps Universal Serial Bus
(USB) Interface
Supports Standard and Overdrive 1-Wire
廬
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
廬
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
Software Authorization鈥擯rotection against
software piracy by tying software operation to
the presence of iButton hardware.
iButton Initialization and Download鈥?/div>
Loggers like the Thermochron
廬
can be
missioned and downloaded. Monetary
iButtons can be refilled with money.
Demonstration鈥擠emonstrate the features of
iButtons or 1-Wire chips on personal
computers.
Development鈥擜id development of 1-Wire
applications by providing a PC interface to
verify device contents and state.
TYPICAL OPERATING CIRCUIT
PC
USB
DS9490B
iButton
PC
USB
DS9490R
DS1402D-DR8
APPLICATIONS
摟
摟
ORDERING INFORMATION
PART
DS9490B
DS9490R
DESCRIPTION
USB Single F5 iButton Holder
with Protective Cap
USB to 1-Wire RJ11
摟
摟
PACKAGING/SHIPPING
INFORMATION
The part is shipped individually in an anti-static
bag.
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. The DS1402D-DR8 (Blue Dot鈩? can readily be used in conjunction with
the DS9490R to create an iButton PC reader. Both adapters are based on the DS2490 USB to 1-Wire
bridge chip.
PC software drivers for Windows
廬
98, Windows 2000, Windows ME, and Windows XP can be found on
the iButton website under software support at:
http://www.ibutton.com/software/tmex/index.html
1-Wire, iButton, and Thermochron are registered trademarks of
Dallas Semiconductor.
Blue Dot is a trademark of Dallas Semiconductor.
Windows is a registered trademark of Micosoft Corp.
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DS9490B 產(chǎn)品屬性

  • 1

  • 編程器，開發(fā)系統(tǒng)

  • 過時/停產(chǎn)零件編號

  • iButton®

  • USB 單 F5 iButton 固定器

  • 1-Wire? 設(shè)備

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