- 专利标题: Semiconductor device for adjusting phases of multi-phase signals
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申请号: US17027570申请日: 2020-09-21
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公开(公告)号: US11121716B2公开(公告)日: 2021-09-14
- 发明人: Soyeong Shin , Han-Gon Ko , Deog-Kyoon Jeong
- 申请人: SK hynix Inc. , Seoul National University R&DB Foundation
- 申请人地址: KR Icheon; KR Seoul
- 专利权人: SK hynix Inc.,Seoul National University R&DB Foundation
- 当前专利权人: SK hynix Inc.,Seoul National University R&DB Foundation
- 当前专利权人地址: KR Icheon; KR Seoul
- 优先权: KR10-2019-0159451 20191203
- 主分类号: H03L7/081
- IPC分类号: H03L7/081 ; H03K5/131 ; G06F1/10 ; H03K5/00
摘要:
A semiconductor device includes a signal delay circuit configured to output a plurality of multi-phase output signals by delaying a plurality of multi-phase input signals according to a plurality of delay codes, respectively; and a calibration circuit including an error detection circuit configured to provide phase difference information between signals selected among the plurality of the multi-phase output signals according to a variable delay code and a filter configured to provide the plurality of delay codes and the variable delay code, wherein the filter performs update operation to update the plurality of delay codes or the variable delay code.