发明名称 Selector circuit and processor system
摘要 A selector circuit includes a plurality of first selection circuits each configured to select one of plural input signals on the basis of a first selection control signal and to output a first output signal and a second selection circuit configured to select one of the first output signals on the basis of a second selection control signal. Each of the first selection circuits includes a charging circuit configured to charge a first node by electrically connecting the first node to a first voltage in a first period, and a discharge control circuit configured to control, on the basis of the first selection control signal, the input signals and the second selection control signal, whether to discharge the charged first node by electrically connecting the first node to a second voltage source having a potential lower than the first voltage source in a second period following the first period.
申请公布号 US8797065(B2) 申请公布日期 2014.08.05
申请号 US201213721226 申请日期 2012.12.20
申请人 Fujitsu Limited 发明人 Tanaka Tomohiro
分类号 G11C8/00;H03K19/084;G11C8/08;G11C8/10;H03K19/096 主分类号 G11C8/00
代理机构 Fujitsu Patent Center 代理人 Fujitsu Patent Center
主权项 1. A selector circuit comprising: a plurality of first selectors, each of the plurality of first selectors being configured to select one of a plurality of input signals on the basis of a first selection control signal and to output a first output signal corresponding to the selected input signal; and a second selector configured to select one of the first output signals outputted from the plurality of first selectors on the basis of a second selection control signal and to output a second output signal corresponding to the selected first output signal, wherein each of the plurality of first selectors includes: a first node capable of being charged and discharged, a charger configured to be provided between a first voltage source and the first node and to charge the first node by electrically connecting the first node to the first voltage in a first period, the first period being defined by a timing control signal, and a discharge controller configured to be provided between the first node and a second voltage source having a potential lower than the first voltage source and to control, on the basis of the first selection control signal, the plurality of input signals and the second selection control signal, whether to discharge the charged first node by electrically connecting the first node to the second voltage source in a second period, the second period following the first period and being defined by the timing control signal an output circuit configured to output the first output signal having a potential according to a potential of the first node.
地址 Kawasaki JP