| 摘要 |
本发明揭露了一种时脉边缘侦测装置，能够侦测一待测时脉之正缘与负缘，包含：一延迟电路，包含复数个串联之延迟单元，用来接收该待测时脉并加以传输；一暂存器电路，包含复数个暂存器，耦接该延迟电路，用来依据一工作时脉记录并输出该待测时脉之复数个准位，其中每该暂存器包含一资料输入端、一资料输出端以及一工作时脉接收端，该工作时脉接收端用来接收该工作时脉，该资料输入端耦接于二相邻延迟单元之间；一正缘侦测电路，包含复数个正缘侦测单元，耦接该暂存器电路之该些资料输出端，用来侦测该待测时脉之正缘；以及一负缘侦测电路，包含复数个负缘侦测单元，耦接该些资料输出端，用来侦测该待测时脉之负缘。; aregister circuit including a plurality of registers coupled to the delaycircuit for recording and outputting plural levels of the target clock inaccordance with a working clock, wherein each of the registers includes a datainput end, a data output end connected between two adjacent delay units, and aworking clock reception end which is used for receiving the working clock; apositive edge detection circuit including a plurality of positive edgedetection units coupled to the data output ends of the register circuit fordetecting the positive edge of the target clock; and a negative edge detectioncircuit including a plurality of negative edge detection units coupled to thedata output ends for detecting the negative edge of the target clock. |
