全部
  • 全部
  • 标题
  • 简介
  • TAG
USB2.0 PCBLAYOUT规范
推荐星级:
类别: 消费电子
时间:2020-02-10
大小:81.3KB
阅读数:17
上传用户:givh79_163.com
查看他发布的资源
下载次数
0
所需E币
5
资料介绍
USB 2SigmaTel Hardware Introduction 2005 4/28/05 SigmaTel Confidential 1 USB Layout Consideration High Speed USB Platform Design Guidelines Some Common Routing Mistakes 4/28/05 SigmaTel Confidential 2 USB Layout Consideration High Speed USB Platform Design Guidelines Below figure provides an illustration of the recommended trace spacing. 4/28/05 SigmaTel Confidential 3 USB Layout Consideration Maintain parallelism between USB differential signals with the trace spacing needed to achieve 90ohms differential impedance. Deviations will normally occur due to package breakout and routing to connector pins. Just ensure the amount and length of the deviations are kept to the minimum possible. Use an impedance calculator to determine the trace width and spacing required for the s……
0
收藏 举报
相关评论 (下载后评价送E币 我要评论)
  • 没有更多评论了
  • 可能感兴趣
  • 关注本资料的网友还下载了
  • 技术白皮书