发明名称 |
Oscillation circuit, microcomputers and IC cards using the same. |
摘要 |
An oscillation circuit comprises a plurality of inversion circuits, and a plurality of delay circuits, wherein at least one of the inversion circuits is constituted by a plurality of inverters connected in series to one another, and wherein driving capability of a first stage inverter of the plural inverters which is inserted immediately after the delay circuit provided at the input side of the oscillation circuit is made lower than that of a final stage inverter inserted immediately before the delay circuit provided at the output side of the oscillation circuit. <IMAGE> |
申请公布号 |
EP0634837(A3) |
申请公布日期 |
1995.08.30 |
申请号 |
EP19940110885 |
申请日期 |
1994.07.13 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
OHNO, HISASHI, C/O MITSUBISHI DENKI K. K. |
分类号 |
H03K3/03;H03K3/354;H03K17/16 |
主分类号 |
H03K3/03 |
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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