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Nangate 45nm Open Cell Library supports OpenSPARC

Tuesday, 17 February 2009 13:44

Nangate and Sun Microsystems, Inc. are delighted to announce the interoperability of industry leading open-source 64-bit Chip Multi-threading (CMT) microprocessor design by Sun with Nangate's 45nm Open Cell Library.

Users can now synthesize and optimize state-of-the-art OpenSPARC T1 and OpenSPARC T2 design blocks, using industry standard synthesis tools, on a 45nm technology supplied by Nangate. We believe this combination will facilitate research and experimentation in modern VLSI design topics like timing and noise, reliability, and process variation among other things. We also believe the open-source nature of these two offerings will allow researchers to modify and test new ideas in a consistent and reproducible manner.

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John McBeardason: Compatible? http://www.inf.ed.ac.uk

This might be a simple question, but is there a standard cell library that would _not_ be compatible with OpenSPARC?

March 20, 2009
Votes: +0

Durgam Vahia: ...

Of the standard cell libraries we have tried (from 3-4 different vendors), there hasn't been any issue of incompatibility. Gates, flops, muxes etc that OpenSPARC design uses are usually available in the library we have tried. However, it is conceivable that some library may not have all the structural elements that OpenSPARC design uses. There could also be name mismatches, for e.g. dff in OpenSPARC is scanable, but library may have dff as standard flop. It is always better to run equivalency on the resultant netlist against the original RTL to make sure library is truly compatible.

March 30, 2009
Votes: +0

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