Selected Si2 OpenStandards are publicly released by Si2 Working Groups, capturing their collaborative work. These standards can be downloaded to learn about industry work in these areas or to use as the basis for future innovation. Si2 OpenStandards may be from groups which are active or archived from past groups.
By joining Si2, your company can participate in defining new standards which are not publicly available here and have the early opportunity to innovate on those standards.
The Unified Power Model Working Group was created to address the lack of system level IP block power models. UPM’s rich semantics facilitate easy and interoperable model exchange and meet the needs of three distinct groups of users: IP providers and model producers, system architects and SoC designers, and EDA developers. UPM has been formally standardized as IEEE 2416. (updated 2023)
Specification
Unified Power Model v2.1, January 5, 2023
The Si2 Low Power Coalition developed standards and enabling materials to support low power design by taking a flow-centric view from ESL to GDSII. It defined and published the Common Power Format standard, which allows designers to clearly and concisely express power constraints and intent. (archived 2014)
CPF Specifications
Design Guides
Additional Specifications and Documents
The Chip-Package Co-Design (CPC) Technical Advisory Board drew from a wide range of the supply chain, including fabless leaders, packaging/OSAT, foundries, and system / OEMs. CPC was also engaged by a number of experts from research and academic communities for their domain knowledge.
CPC TAB defined open standard interfaces and formats to enable interoperable 2.5D and 3D design flows, providing common interfaces without infringing on proprietary algorithms, products, or methodologies. (archived 2015)
3D-IC Design Exchange Format Standards
PathFinding Interface Protocol V1.0 (PathFinding)
The SP TAB is an R&D industry service to extend the OpenAccess database for photonic designs enabling photonic-electronic design flows. (archived 2014)
Specifications
Open Matrices: The Si2 SPTAB OpenMatrices XSD standard describes the n-port scatter parameters (through the scattering matrix) for the linear frequency-domain behavior of optical devices, possibly for different operating points such as temperature and voltage.
OpenDFM provides a common set of Design for Manufacturability parameters for a wide variety of physical verification and analysis tools, dramatically improving the interface between EDA vendors and silicon foundries. (archived 2012)
Specifications
Universal Layer Model Specification: Jointly developed by the OpenDFM and OpenPDK Coalitions, the Universal Layer Model standardizes the data model for drawn and derived layers. This specification standardizes layer operators and guarantees the expected results from ULM layer operations.
The OpenPDK (Process Design Kit) Coalition was founded in 2010 to define a set of open standards allowing an OpenPDK to be created (once) and translated into specific EDA vendor tools and foundry formats. This allows for maximum portability across foundries and agnosticism among EDA tools. The Si2 OpenPDK standard enables greater efficiency in PDK development, verification, and delivery, providing equal support to foundries, EDA tool vendors, IP providers, and end-users. (archived 2014)
Specifications
Design Guides
ESD Protection Design Methodology V1.0: The design of Electro-Static Discharge protection devices in an integrated circuit should be evaluated and verified at all stages of a standard circuit design flow. A comprehensive set of ESD checks must be verified with appropriate tools to ensure the integrated circuit has robust ESD protection. This paper describes the ESD design flow, the various checking tools used at each level, and the technical requirements for each of these tools.
Note that this work is unrelated to the Open Model Interface defined by the Compact Model Coalition
The Open Modeling Calculation Interface (OMCI) developed by the Open Modeling Coalition provides standardized semantics for access to cell characterization data on the “model” side, and netlist information on the “design” side. The OMCI API is independent of any particular design database schema or modeling format syntax, providing run-time access to abstractions for those semantics. Support for any particular schema or format is accomplished via specialization of C++ classes at the OMCI source level. (archived 2015)
Specifications
Effective Current Source Modeling Documents
ECSM Statistical Extensions Specification v1.3
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