发明名称 |
Clock signal distributing system |
摘要 |
A clock signal distributing system supplies clock signals exhibiting extremely matched phases as a standing wave without employing extra signals such as a reference signal and the like other than clock signal itself. The system compensates for a phase lag in clock signal sand attenuation in signal amplitude. As a result, clock signals exhibiting extremely matched phases are supplied up to the places to be distributed at the respective terminals without requiring equal-length wiring on, for example, a semiconductor chip. The clock signal distributing system is composed of an electromagnetic transmission path line which transmits periodic clock signals as a standing wave, an amplifier, and a phase advancing unit which advances phases of the periodic clock signals wherein a phase lag in transmission of clock signals and a phase lag in amplitude of the amplifier are corrected in the phase advancing direction by the phase advancing unit.
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申请公布号 |
US5640112(A) |
申请公布日期 |
1997.06.17 |
申请号 |
US19940352201 |
申请日期 |
1994.12.02 |
申请人 |
RIKAGAKU KENKYUSHO;HITACHI, LTD.;FUJITSU LIMITED;INTERNATIONAL BUSINESS MACHINES CORPORATION;NEC CORPORATION |
发明人 |
GOTO, EIICHI;HONMA, NORIYUKI |
分类号 |
H03K5/15;(IPC1-7):H03K5/13 |
主分类号 |
H03K5/15 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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