Datasheet > DS9490B

DS9490B

更新时间： 2024-09-25 09:56:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
6页	546K
描述
USB to 1-Wire/iButton Adapter

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中文翻译

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数据手册

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DS9490B 数据手册

19-4881; Rev 8/09

DS9490R/DS9490B

USB to 1-Wire/iButton Adapter

www.maxim-ic.com

FEATURES

TYPICAL OPERATING CIRCUIT

. High-Speed 12Mbps Universal Serial Bus

(USB) Interface

. Supports Standard and Overdrive 1-Wire^®

Communication

USB

DS9490B

iButton

. 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

USB

DS9490R

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

ORDERING INFORMATION

PART

DESCRIPTION

DS9490B# USB Single F5 iButton Holder

with Protective Cap

DS9490R# USB to 1-Wire RJ11

#Denotes a RoHS-compliant device that may include

lead(Pb) that is exempt under the RoHS requirements.

APPLICATIONS

. Software Authorization—Protection against

software piracy by tying software operation to

the presence of iButton hardware.

. iButton Initialization and Download—

Loggers like the Thermochron^®can be

missioned and downloaded. Monetary

iButtons can be refilled with money.

. 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.

PACKAGING/SHIPPING

INFORMATION

The part is shipped individually in an anti-static

bag.

1-Wire, iButton, and Thermochron are registered trademarks of Maxim

Integrated Products, Inc.

Blue Dot is a trademark of Maxim Integrated Products, Inc.

Windows and Windows XP are registered trademarks of Microsoft Corp.

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™) 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^®98, Windows 2000, Windows ME, and Windows XP^®operating

systems

can

found

the

iButton

website

under

software

support

www.maxim-ic.com/products/ibutton/software/tmex/index.cfm.

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与DS9490B相关器件

型号	品牌	获取价格	描述	数据表
DS9490R	DALLAS	获取价格	USB to 1-Wire/iButton Adapter
DS9490R	MAXIM	获取价格	USB to 1-Wire/iButton Adapter
DS9490R	ADI	获取价格	USB至1-Wire/iButton适配器
DS9490R_11	MAXIM	获取价格	USB to 1-Wire/iButton Adapters High-Speed 12Mbps Universal Serial Bus (USB) Interface
DS9502	DALLAS	获取价格	ESD Protection Diode
DS9502P	DALLAS	获取价格	ESD Protection Diode
DS9502P	MAXIM	获取价格	Trans Voltage Suppressor Diode, Unidirectional, 1 Element, Silicon, 3.70 X 4 MM, 1.50 MM H
DS9502P/T&R	MAXIM	获取价格	Trans Voltage Suppressor Diode, Unidirectional, 1 Element, Silicon, 3.70 X 4 MM, 1.50 MM H
DS9502P+T&R	MAXIM	获取价格	Trans Voltage Suppressor Diode, Unidirectional, 1 Element, Silicon, 3.70 X 4 MM, 1.50 MM H
DS9503	DALLAS	获取价格	ESD Protection Diode with Resistors

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