Invention Grant
- Patent Title: Delay line, a delay locked loop circuit and a semiconductor apparatus using the delay line and the delay locked loop circuit
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Application No.: US17514751Application Date: 2021-10-29
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Publication No.: US11695422B2Publication Date: 2023-07-04
- Inventor: Yun Tack Han , Kyeong Min Kim
- Applicant: SK hynix Inc.
- Applicant Address: KR Icheon-si
- Assignee: SK hynix Inc.
- Current Assignee: SK hynix Inc.
- Current Assignee Address: KR Icheon-si
- Agency: William Park & Associates Ltd.
- Priority: KR 20190110563 2019.09.06 KR 20190110569 2019.09.06
- The original application number of the division: US16911888 2020.06.25
- Main IPC: H03L7/089
- IPC: H03L7/089 ; H03L7/087 ; H03L7/081 ; H03L7/07

Abstract:
A delay locked loop circuit includes a first delay locked loop and a second delay locked loop having different characteristics. The first delay locked loop performs a delay-locking operation on a reference clock signal to generate a delay locked clock signal. The second delay locked loop performs a delay-locking operation on the delay locked clock signal to generate an internal clock signal.
Information query
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