====== Layout (an introduction) ======

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== Contents ==

   * Introduction
   * Tools overview and documentation
   * Basic layout techniques

**Keywords:**


===== Introduction =====


You should refer to specific IC layout [[books|textbooks]] for layout design theory and practice guidelines.
Moreover refer to your specific **technology documentation** (e.g. design manual)


See also

[[http://www.ee.ryerson.ca/~fyuan/layout.pdf]]



===== Reference documentation ====

Learning analog layout //from scratch// could be a pain without adequate 
guidelines and references.

Good textbooks have been collected __[[vlsi:books#vlsi_design_and_layout|here]]__.


====== Tools overview and relative documentation ======

 

   * Introduction
   * Virtuoso Layout Editor L/XL
   * Cadence verification tools
      * Diva
      * Assura
   * Mentor Graphics Calibre verification tool
  


Open source tools: **[[http://www.layouteditor.net/|LayoutEditor]]**.


===== Assura Physical Verification =====

Instalation directory:

''/usr/cadence/Assura_4.10oa-615''

Documentation:

<code>
cd ~/cadence/doc
mkdir Assura_4.10
cd Assura_4.10
find /usr/cadence/Assura_4.10oa-615/doc -name '*.pdf' -exec ln -s {} . \;
</code>


===== Virtuoso Layout Editor L/XL =====

Virtuoso Layout Editor (VLE) L/XL

Documentation in 


''$IC_DIR/doc/vlehelp/vlehelp.pdf''


===== Mentor Graphics Calibre verification tool =====

Calibre has become de facto industry standard for physical layout verification.


Main installation directory in 

''/usr/mentor/calibre_2010''



Documentation

<code>
cd ~/cadence/doc
mkdir Calibre_10.20
cd Calibre_10.20
find /usr/mentor/docs/docs_cal_2010.3_19.12/docs/pdfdocs -name '*.pdf' -exec ln -s {} . \;
</code>




====== LayoutEditor ======

[[vlsi:workbook:analog:layout:layouteditor|LayoutEditor open source software]]



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Last update: [[pacher@NOSPAMto.infn.it|Luca Pacher]] - Apr 23, 2013
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