Invention Grant
US07816952B2 Clock signal switching device, clock signal switching method, data bus switching device, and data bus switching method
有权
时钟信号切换装置，时钟信号切换方式，数据总线切换装置和数据总线切换方式
- Patent Title: Clock signal switching device, clock signal switching method, data bus switching device, and data bus switching method
- Patent Title (中): 时钟信号切换装置，时钟信号切换方式，数据总线切换装置和数据总线切换方式
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Application No.: US12184949Application Date: 2008-08-01
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Publication No.: US07816952B2Publication Date: 2010-10-19
- Inventor: Shinichi Hashimoto , Tadahiro Yoshida , Ryogo Yanagisawa
- Applicant: Shinichi Hashimoto , Tadahiro Yoshida , Ryogo Yanagisawa
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2003-274346 20030714
- Main IPC: H03K17/00
- IPC: H03K17/00
Abstract:
A clock signal switching device includes: a plurality of signal synchronization generation means for generating mask signals and synchronized switching signals; a plurality of clock signal mask means for generating masked clock signals; a synchronized switching signal selection means for selecting one from among the synchronized switching signals; and a masked clock signal selection means for selecting one from among the masked clock signals.
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