GDSII
GDSII stream format, common acronym GDSII, is a database file format which is the de facto industry standard for data exchange of integrated circuit or IC layout artwork. It is a binary file format representing planar geometric shapes, text labels, and other information about the layout in hierarchical form. The data can be used to reconstruct all or part of the artwork to be used in sharing layouts, transferring artwork between different tools, or creating photomasks.
History of the GDSII format
GDS = Graphic Database System
Initially, GDSII was designed as a format used to control integrated circuit photomask plotting. Despite its limited set of features and low data density, it became the industry conventional format for transfer of IC layout data between design tools of different vendors, all of which operated with proprietary data formats.
It was originally developed by Calma for its layout design software, "Graphic Data System" ("GDS") and "GDSII".
GDSII files are usually the final output product of the IC design cycle and are given to IC foundries for IC fabrication. GDSII files were originally placed on magnetic tapes. This moment was fittingly called tape out though it is not the original root of the term.
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I Warned Her Many Times But She Wants Him To Stay
If I Had Known This All Before
I’d Not Have Left Her Side That’s For Sure
Knowing That He’s Taking My Baby Right To Hell
The Dealer’s Simply Smiling, He’s Doing Very Well
Annabell Oh Annabell You’re Throwing Yourself Right
Into Hell
I Try To Help You, You’ve Lost Control Completely
Annebell Oh Annabell, I Help You Climb Out From This
Well
Just Drop The Dope I Care For You Believe Me
Annabell Oh Annabell You’re Throwing Yourself Right
Into Hell
I Try To Help You, You’ve Lost Control Completely
Annebell Oh Annabell, I Help You Climb Out From This
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