Title
Full Chip Circuit/Substrate Macro Modeling Method Which Controls The Analysis Accuracy And Cpu Time By Using Current Density
Abstract
Substrate noise analysis has become increasingly important in recent LSI design. This is because substrate noise, which affects PLLs, causes jitter that results in timing error. Conventional analysis techniques Of Substrate noise are, however, impractical for large-scale designs that have hundreds of millions of transistors because the computational complexity is too huge. To solve this problem, we have developed a fast substrate noise analysis technique for large-scale designs, in which a chip is divided into multiple domains and the circuits of each domain are reduced into it macro model. Using this technique, we have designed a processor chip for use in the supercomputer (die size: 20 mm x 21 mm, frequency: 3.2GHz, transistor count: 350M). Computation time with this design is five times faster than that with a 1/3000 scale design using a conventional technique. while resulting discrepancy with measured period jitter is less than 15%.
Year
DOI
Venue
2010
10.1587/transfun.E93.A.448
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES
Keywords
Field
DocType
substrate noise, power supply noise, substrate modeling, clock jitter, high speed
Transistor count,Supercomputer,Computer science,CPU time,Chip,Jitter,Transistor,Electronic circuit,Macro,Computer hardware
Journal
Volume
Issue
ISSN
E93A
2
0916-8508
Citations 
PageRank 
References 
1
0.39
9
Authors
4
Name
Order
Citations
PageRank
Mikiko Sode Tanaka121.79
Mikihiro Kajita2142.46
Naoya Nakayama310.39
Satoshi Nakamoto410.39