def_hierarchy.lef

openaccess读def,lef文件所用的源代码

VERSION 5.5 ;
NAMESCASESENSITIVE ON ;

UNITS
  DATABASE MICRONS 1000 ;
END UNITS

LAYER M1
  TYPE ROUTING ;
  PITCH 1.8 ;
  WIDTH 1 ;
  DIRECTION HORIZONTAL ;
END M1

LAYER V1
  TYPE CUT ;
END V1

LAYER M2
  TYPE ROUTING ;
  PITCH 1.8 ;
  WIDTH .9 ;
  DIRECTION VERTICAL ;
END M2

LAYER V2
  TYPE CUT ;
END V2

LAYER M3
  TYPE ROUTING ;
  PITCH 1.8 ;
  WIDTH 1 ;
  DIRECTION HORIZONTAL ;
END M3

VIA M1_M2 DEFAULT
  RESISTANCE 1.5 ;
  LAYER M1 ;
    RECT -0.6 -0.6 0.6 0.6 ;
  LAYER V1 ;
    RECT -0.45 -0.45 0.45 0.45 ;
  LAYER M2 ;
    RECT -0.45 -0.45 0.45 0.45 ;
END M1_M2

VIA M2_M3 DEFAULT
  RESISTANCE 1.5 ;
  LAYER M2 ;
    RECT -0.45 -0.9 0.45 0.9 ;
  LAYER V2 ;
    RECT -0.45 -0.45 0.45 0.45 ;
  LAYER M3 ;
    RECT -0.45 -0.45 0.45 0.45 ;
END M2_M3

SITE CORE
  CLASS CORE ;
  SIZE 0.7 BY 8.4 ;
END  CORE

MACRO INV
  SIZE 67.2 BY 24 ;

  PIN VDD
    USE GROUND ;
  END VDD
  
  PIN VSS
    USE POWER ;
  END VSS
  
  PIN A
    DIRECTION INPUT ;
  END A

  PIN Y
    DIRECTION OUTPUT ;
  END Y

END INV


END LIBRARY