The clocked-CMOS DCC circuits include as few as four transistors, and are operative over wide ranges of input signal duty cycles.Shoujun WangUS7839192 * Oct 26, 2005 Nov 23, 2010 Altera Corporation Duty cycle correction methods and circuits...
The proposed DCC circuit will be implemented in a 0.18- um CMOS process. Here, Adjuster circuit delay line is being modified for low frequency. The main objective of this paper is to achieve fast duty correction . The state-of- the-art DDR DRAM is proposed where a mixed mode DCC. The ...
Duty cycle (DC) Duty cycle correction (DCC) Duty cycle distortion (DCD) Double data rate (DDR). data strobe (DQS) High bandwidth memory second generation extended (HBM2E) Jitter Most significant bit (MSB) Odd and even read eye Read time margin Read data strobe (RDQS) Receiver (Rx) Tran...
Duty cycle correction (DCC) circuit and delayed lo 专利名称:Duty cycle correction (DCC) circuit and delayed locked loop (DLL) circuit using the same 发明人:Su Hyun Kim,Min Young Yoo 申请号:US11648314 申请日:20061229 公开号:US20080042705A1 公开日:20080221 专利内容由知识产权出版社提供 专利...
2)duty-cycle correction占空比调节 1.The novel features of the proposed DCC include a higher reliability against process,voltage and temperature(PVT) variation due to the use of the synchronous mirror delay(SMD) technique,no-skew output clock,and much fasterduty-cycle correctionspeed compared to con...
A duty cycle correction (DCC) circuit and a delayed locked loop (DLL) circuit using the same are disclosed. The DCC circuit is operated by an enable signal which is enabled when the DLL is locked. The duty cycle correction (DCC) circuit includes a clock input unit and a duty cycle mixin...
Duty-cycle correction circuit 专利名称:Duty-cycle correction circuit 发明人:Raj Mahadevan,Tony Pialis 申请号:US11129996 申请日:20050516 公开号:US20050253637A1 公开日:20051117 专利内容由知识产权出版社提供 专利附图:摘要:A duty-cycle correction (DCC) circuit adapted to adjust the duty cycle of...
The novel features of the proposed DCC include a higher reliability against process,voltage and temperature(PVT) variation due to the use of the synchronous mirror delay(SMD) technique,no-skew output clock,and much faster duty-cycle correction speed compared to conventional DCC s. 本文介绍了采用...
A duty cycle correction circuit comprising an averaging circuit configured to receive a first signal and a second signal, and providing a third signal, a work recovery circuit configured to receive the third signal and a fourth signal, and provides compared with the first signal having one closer...
A duty-cycle corrector circuit produces a clock signal with a given duty cycle (e.g., fifty percent) or with a substantially given duty cycle. The DC corrector circuit includes a de