发明申请
- 专利标题: SEMICONDUCTOR APPARATUS AND IMPEDANCE CALIBRATION CIRCUIT FOR THE SAME
- 专利标题(中): 半导体器件和阻抗校准电路
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申请号: US13219615申请日: 2011-08-27
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公开(公告)号: US20120194215A1公开(公告)日: 2012-08-02
- 发明人: Chang Kyu CHOI
- 申请人: Chang Kyu CHOI
- 申请人地址: KR Icheon-si
- 专利权人: HYNIX SEMICONDUCTOR INC.
- 当前专利权人: HYNIX SEMICONDUCTOR INC.
- 当前专利权人地址: KR Icheon-si
- 优先权: KR10-2011-0009004 20110128
- 主分类号: H03K19/003
- IPC分类号: H03K19/003
摘要:
A semiconductor apparatus includes a data input/output circuit and an impedance calibration circuit. The impedance calibration circuit may be configured to output a code signal for controlling a resistance value of the data input/output circuit in response to a division voltage applied to a joining interconnection directly coupled to a ZQ pad and a preset reference voltage.