Title
Yield estimation of SRAM circuits using "Virtual SRAM Fab"
Abstract
Static Random Access Memories (SRAMs) are key components of modern VLSI designs and a major bottleneck to technology scaling as they use the smallest size devices with high sensitivity to manufacturing details. Analysis performed at the "schematic" level can be deceiving as it ignores the interdependence between the implementation layout and the resulting electrical performance. We present a computational framework, referred to as "Virtual SRAM Fab", for analyzing and estimating pre-Si SRAM array manufacturing yield considering both lithographic and electrical variations. The framework is being demonstrated for SRAM design/optimization in 45nm nodes and currently being used for both 32nm and 22nm technology nodes. The application and merit of the framework are illustrated using two different SRAM cells in a 45nm PD/SOI technology, which have been designed for similar stability/performance, but exhibit different parametric yields due to layout/lithographic variations. We also demonstrate the application of Virtual SRAM Fab for prediction of layout-induced imbalance in an 8T cell, which is a popular candidate for SRAM implementation in 32-22nm technology nodes.
Year
DOI
Venue
2009
10.1145/1687399.1687516
ICCAD
Keywords
Field
DocType
technology scaling,pre-si sram array manufacturing,sram design,different parametric yield,computational framework,soi technology,different sram cell,sram circuit,technology node,yield estimation,virtual sram fab,sram implementation,integrated circuit layout,design optimization,circuits,process design,static random access memory,fabrication,lithography,stability,manufacturing,vlsi design,embedded systems
Integrated circuit layout,Silicon on insulator,Bottleneck,Computer science,Electronic engineering,Static random-access memory,Real-time computing,Schematic,Process design,Very-large-scale integration,Random access
Conference
ISSN
ISBN
Citations 
1092-3152 E-ISBN : 978-1-60558-800-1
978-1-60558-800-1
4
PageRank 
References 
Authors
0.47
11
12
Name
Order
Citations
PageRank
Aditya Bansal111617.19
Rama N. Singh252.91
Rouwaida N. Kanj3241.96
Saibal Mukhopadhyay41288150.52
Jin-Fuw Lee5738.90
Emrah Acar635024.96
Amith Singhee734722.94
Keunwoo Kim87414.17
Ching-Te Chuang946576.52
Sani R. Nassif102268247.45
Fook-Luen Heng1111017.37
Koushik K. Das12163.27