发明名称 |
Semiconductor device capable of accurately producing internal multi-phase clock signal |
摘要 |
An operation control signal for an oscillator producing an internal clock signal phase-locked with a basic clock signal is applied to a second internal clock generating circuit. In the second internal clock generating circuit, with reference to the applied operation control signal, a control signal adjusting a phase and/or frequency difference between a synchronization target signal and a second internal clock signal is produced to adjust a phase and/or frequency of the second internal clock signal. A plurality of internal clock signals different in phase and/or frequency can be generated accurately and stably.
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申请公布号 |
US6859079(B2) |
申请公布日期 |
2005.02.22 |
申请号 |
US20030442991 |
申请日期 |
2003.05.22 |
申请人 |
RENESAS TECHNOLOGY CORP. |
发明人 |
HARAGUCHI YOSHIYUKI;ADACHI KIYOSHI;UTSUMI TAKASHI;KOMATSU DANICHI;KOSAKA HIROYUKI |
分类号 |
H01L21/822;G06F1/06;G06F1/08;H01L27/04;H03L7/087;H03L7/113;(IPC1-7):H03L7/06 |
主分类号 |
H01L21/822 |
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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