| 发明名称 |
IMPEDANCE CALIBRATION CIRCUIT |
| 摘要 |
An impedance calibration circuit is disclosed, which relates to a technology for improving precision of pad resistance. The impedance calibration circuit includes: a first On Die Termination (ODT) circuit selected by a first selection signal, configured to tune its own resistance using a first code signal, and output a first resistance value to an output terminal; and a second ODT circuit selected by a second selection signal, configured to tune its own resistance using a second code signal, and output a second resistance value to the output terminal. |
| 申请公布号 |
US2016365855(A1) |
申请公布日期 |
2016.12.15 |
| 申请号 |
US201514875788 |
申请日期 |
2015.10.06 |
| 申请人 |
SK hynix Inc. |
发明人 |
BAEK Seung Geun;KIM Jae Il |
| 分类号 |
H03K19/00 |
主分类号 |
H03K19/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An impedance calibration circuit comprising:
a first On Die Termination (ODT) circuit selected by a first selection signal, configured to tune its own resistance using a first code signal, and output a first resistance value to an output terminal; and a second ODT circuit selected by a second selection signal, configured to tune its own resistance using a second code signal, and output a second resistance value to the output terminal, wherein the first resistance value and the second resistance value each have different values. |
| 地址 |
Icheon-si Gyeonggi-do KR |
