Notes
Slide Show
Outline
1
Front End Design Data Translation
2
Symbol Library Conversion
  • Will dump an ASCII file description for each symbol containing constituent geometries
  • Program to read this and create the symbol library in target vendor environment
  • Base and Library CDF dumped with symbol definition and read in as properties in target framework
3
Design Schematic Rereferencing

  • Create target vender equivalent schematic from Cadence original


  • Manage CDF in Cadence, map to target DB properties


4
CDF mapfile example
  • # this is a comment
  • START_TECH tech1 tech2
  •         START_CELL tsmc18 pmos_2v symbol tsmc18_tst pmos_2v_tst symbol
  •                 nf m
  •                 l lgth
  •                 w wdth
  •         END_CELL
  •         START_CELL tsmc18 nmos_2v symbol tsmc18_tst nmos_2v_tst symbol
  •                 nf m
  •                 l lgth
  •                 w wdth
  •         END_CELL
  • END_TECH


5
Param file example
  • START_CIRCUIT myLib gen2 schematic
  •         START_INST M1
  •          l 2.20e-6
  •          w 13.48e-6
  •          m 4
  •         END_INST
  •         START_INST M3
  •          l 2.50e-6
  •          w 11.90e-6
  •          m 2
  •         END_INST
  •         START_INST M4
  •                 START_INST M1
  •                 l 2.50e-6
  •                 w 11.90e-6
  •                 m 2
  •                 END_INST
  •         END_INST


  • .... etc


6
Re-Referencing Enables..

  • Technology migration


  • Helps the customer leverage their IP (Re-use)