- 专利标题: CLOCK GATING CIRCUIT AND METHOD OF OPERATING THE SAME
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申请号: US17095191申请日: 2020-11-11
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公开(公告)号: US20210226615A1公开(公告)日: 2021-07-22
- 发明人: Hadi RASOULI , Jerry Chang Jui KAO , Xiangdong CHEN , Tzu-Ying LIN , Yung-Chen CHEN , Hui-Zhong ZHUANG , Chi-Lin LIU
- 申请人: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
- 申请人地址: TW Hsinchu
- 专利权人: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
- 当前专利权人: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
- 当前专利权人地址: TW Hsinchu
- 主分类号: H03K3/037
- IPC分类号: H03K3/037 ; H03K19/20 ; G06F1/12
摘要:
A clock gating circuit includes a NOR logic gate, a transmission gate, a cross-coupled pair of transistors, and a first transistor. The NOR logic gate is coupled to a first node, and receives a first and a second enable signal, and outputs a first control signal. The transmission gate is coupled between the first and a second node, and receives the first control signal, an inverted clock input signal and a clock output signal. The cross-coupled pair of transistors is coupled between the second node and an output node, and receives at least a second control signal. The first transistor includes a first gate terminal configured to receive the inverted clock input signal, a first drain terminal coupled to the output node, and a first source terminal coupled to a reference voltage supply. The first transistor adjusts the clock output signal responsive to the inverted clock input signal.
公开/授权文献
- US11545965B2 Clock gating circuit and method of operating the same 公开/授权日:2023-01-03
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