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2 CMPE 641 ABCZ 4 CMPE 641 Timing ChecksSetup and Hold Time Timing Checks Data Setup Time Hold Time Data 6 CMPE 641 Timing ChecksRemoval Clear active edgeasyn pinactiveremovalrising 8 CMPE 641 P. State Key Lab of ASIC and System. Fudan University, Shanghai, China. Alan Mishchenko. Department of EECS. University of California, Berkeley. 1. Lazy Man’s Logic Synthesis. Outline. Introduction. Previous Work. Consider the Following Circuit. Suppose T. XOR. = 3 ns, T. pcq. = 1 ns, T. setup. = 1 ns, then this circuit can be clocked at 1 ns + (3 x 3 ns) + 1 ns = 11 ns.. D-FF. X. Y. Z. F. XOR. XOR. XOR. D-FF. Universidad Carlos III de Madrid. 2010.6.30.. 1. DK Lee, Keon Jang, Changhyun Lee, Gianluca Iannaccone, Kenjiro Cho. Sue Moon. Associate Professor. Department of Computer Science. Questions we need to answer first. CMOS. Advisor: Dr. . Adit D. Singh. Committee members: Dr. . Vishwani. D. . Agrawal. and Dr. . . Victor P. Nelson. Department of Electrical and Computer Engineering. Masters P. roject . D. efense . Topological Design of Clock Distribution Networks Based on . Non-Zero Clock Skew . Specifications. - by . Jose Luis . Neves. and . Eby. G. Friedman. Presented by Shaobo Liu. Department Electrical Engineering and Computer Science. Example of a Sequential Circuit. D flip-flops. Example: . Start with A=0, B=0, x=0.. A(next)=0. B(next)=0. Y(next)=0. What . are. . A(next), . B(next) and y(next) . given that A=1, B=1 and X=1?. D flip-flops. A . New Logic . Synthesis Method . Based . on Pre-Computed Library. Wenlong. Yang . Lingli. Wang. State Key Lab of ASIC and System. Fudan. University, Shanghai, China. Alan Mishchenko. Department of EECS. Advanced Networking Lab.. Given two IP addresses, the estimation algorithm for the path and latency between them is as follows: Step 1: Map IP addresses to AS numbers. We use BGP routing tables to map an IP address to an AS number. Step 2: Infer AS paths between . A . New Logic . Synthesis Method . Based . on Pre-Computed Library. Wenlong. Yang . Lingli. Wang. State Key Lab of ASIC and System. Fudan. University, Shanghai, China. Alan Mishchenko. Department of EECS. Xun. Jiao. *. , Yu Jiang. +. , . Abbas. . Rahimi. $. , and Rajesh K. Gupta. *. *. University of California, San Diego. +. Tsinghua. University. $. University of California, Berkeley. Agenda. Motivation. COE . 202. Digital Logic Design. Dr. . Muhamed. . Mudawar. King Fahd University of Petroleum and Minerals. Presentation Outline. Analysis of Clocked Sequential circuits. State and Output Equations. State Table. Accuracy-Energy Tradeoffs. Armin . Alaghi. 3. , . Wei-Ting J. . Chan. 1. , . John . P. . Hayes. 3. , . Andrew B. . Kahng. 1,2. . and Jiajia . Li. 1. UC . San Diego, . 1. ECE . and . 2. CSE . Depts., . Lenin Ravindranath. , . Arvind Thiagarajan, Katrina LaCurts, Sivan Toledo, Jacob Eriksson, Sam Madden, Hari Balakrishnan. Massachusetts Institute of Technology. Motivation. Traffic applications. Real time traffic congestion information. fineDelay_macro. halfFineDelay_macro. Fdelay_macro. The first three blocks by Amogh Halgeri, the last block by Aditya Narayan. Coarse_FineDelay_macro. Four flip-flops . to generate the coarse delay and .