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Si2 OpenPDK Coalition outs Open Process Specification v1.1

Posted: 07 Nov 2013     Print Version  Bookmark and Share

Keywords:Silicon Integration Initiative  Open Process Specification  EDA  OpenPDK Coalition 

The Silicon Integration Initiative (Si2) has announced that their OpenPDK Coalition has unleashed the Open Process Specification v1.1 that contains all of the data elements that are necessary to automatically create a process design kit (PDK) in any EDA vendor's or company proprietary design flow. The OPS standard is a formal grammar based on the widely-used W3C standard XML Schema Definition (XSD).

OPS v1.0 was targeted at process producing companies (foundries), to enable study and creation of electronic versions of a design rule manual (eDRM). Its first release was published in January 2013, to gather early feedback on completeness. Positive feedback and valuable suggestions have been rolled into version 1.1. OPS v1.1 is the first release targeted for consideration by EDA vendors. It is complete enough to enable design rule checks (DRC), parameter extraction including the Si2 open parameter extraction (OPEX) and technology file creation including the OpenAccess technology database.

The release includes connectivity below metal layer one (M1, including local interconnect); manufacturing, DRC and layout data base (DB) grids; improved enumerations for layers and layer derivations; multi patterning support in layers definition for advanced node pattern generation; tool mapping/interfaces (from the Si2 tools interface WG); metal stack connectivity table that includes local interconnect usable by all tools; default set of technology grid settings and optional sets of tool specific grid settings; and multi patterning support added several "information attributes" in the ops to support multi patterning: the "exposition number," the "mask colour" and the "lock status." The OPS XSD provides an enumeration of the backward compatible versions it can be used with. An OPS instance selects the OPS XSD version with which it is compatible. This is part of the XSD validation capabilities of OPS.

The goal of the OpenPDK Coalition is to define a set of open standards to define a PDK structure that will be as portable across foundries and as agnostic to EDA tools as possible. The OpenPDK from Si2 will enable greater efficiency in PDK development, verification and delivery and will provide equivalent support to all foundries, all EDA tool vendors, all IP providers and all end users. The OpenPDK project aims to support all process nodes including high-voltage analogue processes.

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