The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 05, 2019
Filed:
Jan. 04, 2017
Semiconductor Manufacturing International (Shanghai) Corporation, Shanghai, CN;
Semiconductor Manufacturing International (Beijing) Corporation, Beijing, CN;
Pan Dou Xue, Shanghai, CN;
Guang Tao Feng, Shanghai, CN;
Bu Xin Zhang, Shanghai, CN;
Hui Hui Gu, Shanghai, CN;
Abstract
The present disclosure provides D flip-flops and signal driving methods using D flip-flops thereof. An exemplary D flip-flop includes a pulse signal generating circuit configured to input a first clock signal, a first data signal, a second data signal and a third data signal and generate a clock pulse signal. The clock pulse signal responds a rising-edge and a falling-edge of the first clock signal. The pulse clock signal is a pulse signal when the first data signal is opposite to the second data signal. The D flip-flop also includes a latching circuit configured to sample and transfer the first data signal and a data signal opposite to the first data signal to be used as the second signal and a fourth data signal respectively when the clock signal is at the high level.