DS9490

USB至1-Wire/iButton适配器


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说明

DS9490B是一种USB桥接器和手柄,用于单个F5规格的iButton®。iButton安全地装入一个带锁扣的小盒中。DS9490R则是带1-Wire® RJ11接口的USB桥接器,可直接与1-Wire插头和1-Wire网络相连。关于适用的1-Wire网络电缆列表,请参见DS1402x 1-Wire网络电缆数据资料中的Connectivity Matrix表。两款适配器都基于DS2490 USB至1-Wire桥接芯片。可从www.maximintegrated.com/1-Wiredrivers.
DS9490、DS9490B、DS9490R:典型工作电路 DS9490、DS9490B、DS9490R:典型工作电路 放大+

关键特性

  • 12Mbps高速通用串行总线(USB)接口
  • 支持标准和过驱动1-Wire通信
  • 限摆率1-Wire定时和有源上拉改善1-Wire网络性能
  • DS9490R具有RJ11接口,支持标准配件的连接,如DS1402D-DR8
  • DS9490B具有iButton接口,可以用于固定iButton
  • 内置DS2401用户识别芯片
  • 可读取所有1-Wire和iButton器件,可写入除EPROM外的所有1-Wire/iButton器件

应用

  • iButton初始化与下载
  • 示范
  • 开发
  • 软件授权

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

技术资料

应用笔记 5917 Instructions for Compiling the OneWireViewer for Linux
用户指南 3358 OneWireViewer用户指南,1.5版
应用笔记 1740 White Paper 6: 1-Wire® Drivers Installation Guide for Windows

其它资源

软件授权开发包(提供源代码的免费软件开发包) (English only)
产品可靠性报告: DS9490.pdf 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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    类型 编号 标题
    参考电路4206为嵌入式应用选择合适的1-Wire主机