发明授权
- 专利标题: Semiconductor device and information processing apparatus using the same
- 专利标题(中): 半导体装置及使用其的信息处理装置
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申请号: US12759520申请日: 2010-04-13
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公开(公告)号: US08350409B2公开(公告)日: 2013-01-08
- 发明人: Masanao Yamaoka , Kenichi Osada , Yasuhiro Fujimura , Tetsuya Fukuoka , Ryo Nishino
- 申请人: Masanao Yamaoka , Kenichi Osada , Yasuhiro Fujimura , Tetsuya Fukuoka , Ryo Nishino
- 申请人地址: JP Tokyo
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Miles & Stockbridge P.C.
- 优先权: JP2009-097761 20090414
- 主分类号: H02J1/10
- IPC分类号: H02J1/10
摘要:
Objects of the invention are to minimize power consumption while maintaining the required information processing capabilities of an LSI chip by supplying multiple voltages to the LSI chip such that its circuit blocks receive necessary voltages and to prevent an increase in the chip area of the LSI chip and performance degradation of signal wires, which may result from the supply of the multiple voltages, by reducing the number of power supply wires.In an LSI chip to which two voltages are supplied, high voltage wires are more densely spaced than low voltage wires. By selectively applying voltages based on circuit block performance, it is possible to reduce power consumption while maintaining the amount of information processed by the LSI chip.