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ISQED
2007
IEEE
127views Hardware» more  ISQED 2007»
14 years 5 months ago
Sensitivity Based Link Insertion for Variation Tolerant Clock Network Synthesis
Clock distribution is one of the key limiting factors in any high speed, sub-100nm VLSI design. Unwanted clock skews, caused by variation effects like manufacturing variations, po...
Joon-Sung Yang, Anand Rajaram, Ninghy Shi, Jian Ch...
ISVLSI
2008
IEEE
156views VLSI» more  ISVLSI 2008»
14 years 6 months ago
Characterisation of FPGA Clock Variability
As integrated circuits are scaled down it becomes difficult to maintain uniformity in process parameters across each individual die. The resulting performance variation requires ...
N. Pete Sedcole, Justin S. Wong, Peter Y. K. Cheun...
ISQED
2008
IEEE
92views Hardware» more  ISQED 2008»
14 years 6 months ago
Clock Skew Evaluation Considering Manufacturing Variability in Mesh-Style Clock Distribution
Influence of manufacturing variability on circuit performance has been increasing because of finer manufacturing process and lowered supply voltage. In this paper, we focus on m...
Shinya Abe, Masanori Hashimoto, Takao Onoye
FOCS
2008
IEEE
14 years 6 months ago
Clock Synchronization with Bounded Global and Local Skew
We present a distributed clock synchronization algorithm that guarantees an exponentially improved bound of O(log D) on the clock skew between neighboring nodes in any graph G of ...
Christoph Lenzen, Thomas Locher, Roger Wattenhofer
DATE
2009
IEEE
122views Hardware» more  DATE 2009»
14 years 6 months ago
Analysis and optimization of NBTI induced clock skew in gated clock trees
NBTI (Negative Bias Temperature Instability) has emerged as the dominant PMOS device failure mechanism for sub100nm VLSI designs. There is little research to quantify its impact o...
Ashutosh Chakraborty, Gokul Ganesan, Anand Rajaram...
ISPD
2010
ACM
177views Hardware» more  ISPD 2010»
14 years 6 months ago
Skew management of NBTI impacted gated clock trees
NBTI (Negative Bias Temperature Instability) has emerged as the dominant failure mechanism for PMOS in nanometer IC designs. However, its impact on one of the most important compo...
Ashutosh Chakraborty, David Z. Pan
ICCAD
2003
IEEE
119views Hardware» more  ICCAD 2003»
14 years 8 months ago
Analytical Bound for Unwanted Clock Skew due to Wire Width Variation
Under modern VLSI technology, process variations greatly affect circuit performance, especially clock skew which is very timing sensitive. Unwanted skew due to process variation f...
Anand Rajaram, Bing Lu, Wei Guo, Rabi N. Mahapatra...
ICCAD
2006
IEEE
124views Hardware» more  ICCAD 2006»
14 years 8 months ago
Combinatorial algorithms for fast clock mesh optimization
We present a fast and efficient combinatorial algorithm to simultaneously identify the candidate locations as well as the sizes of the buffers driving a clock mesh. Due to the hi...
Ganesh Venkataraman, Zhuo Feng, Jiang Hu, Peng Li