added additional design ressources
diff --git a/lef/sar_10b.lef b/lef/sar_10b.lef
new file mode 100644
index 0000000..f0b6f47
--- /dev/null
+++ b/lef/sar_10b.lef
@@ -0,0 +1,195 @@
+VERSION 5.7 ;
+ NOWIREEXTENSIONATPIN ON ;
+ DIVIDERCHAR "/" ;
+ BUSBITCHARS "[]" ;
+MACRO sar_10b
+ CLASS BLOCK ;
+ FOREIGN sar_10b ;
+ ORIGIN 0.000 0.000 ;
+ SIZE 527.820 BY 162.830 ;
+ PIN result8
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 85.765 0.150 86.065 ;
+ END
+ END result8
+ PIN result9
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 86.465 0.150 86.765 ;
+ END
+ END result9
+ PIN result7
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 85.065 0.150 85.365 ;
+ END
+ END result7
+ PIN result6
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 84.365 0.150 84.665 ;
+ END
+ END result6
+ PIN result5
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 83.665 0.150 83.965 ;
+ END
+ END result5
+ PIN result4
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 82.965 0.150 83.265 ;
+ END
+ END result4
+ PIN rstn
+ DIRECTION INPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 76.665 0.150 76.965 ;
+ END
+ END rstn
+ PIN result3
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 82.265 0.150 82.565 ;
+ END
+ END result3
+ PIN result2
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 81.565 0.150 81.865 ;
+ END
+ END result2
+ PIN result1
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 80.865 0.150 81.165 ;
+ END
+ END result1
+ PIN result0
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 80.165 0.150 80.465 ;
+ END
+ END result0
+ PIN valid
+ DIRECTION OUTPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 79.465 0.150 79.765 ;
+ END
+ END valid
+ PIN cal
+ DIRECTION INPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 78.765 0.150 79.065 ;
+ END
+ END cal
+ PIN en
+ DIRECTION INPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 78.065 0.150 78.365 ;
+ END
+ END en
+ PIN clk
+ DIRECTION INPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 0.000 77.365 0.150 77.665 ;
+ END
+ END clk
+ PIN vinp
+ DIRECTION INPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 526.920 121.475 527.820 122.275 ;
+ END
+ END vinp
+ PIN vinn
+ DIRECTION INPUT ;
+ USE SIGNAL ;
+ PORT
+ LAYER met3 ;
+ RECT 526.920 41.075 527.820 41.875 ;
+ END
+ END vinn
+ PIN avdd
+ DIRECTION INOUT ;
+ USE POWER ;
+ PORT
+ LAYER met5 ;
+ RECT 524.620 21.840 527.820 28.240 ;
+ END
+ PORT
+ LAYER met5 ;
+ RECT 524.620 134.590 527.820 140.990 ;
+ END
+ END avdd
+ PIN avss
+ DIRECTION INOUT ;
+ USE GROUND ;
+ PORT
+ LAYER met5 ;
+ RECT 524.620 0.000 527.820 6.400 ;
+ END
+ PORT
+ LAYER met5 ;
+ RECT 524.620 156.430 527.820 162.830 ;
+ END
+ END avss
+ PIN dvdd
+ DIRECTION INOUT ;
+ USE POWER ;
+ PORT
+ LAYER met5 ;
+ RECT 0.000 21.840 3.200 28.240 ;
+ END
+ PORT
+ LAYER met5 ;
+ RECT 0.000 134.590 3.200 140.990 ;
+ END
+ END dvdd
+ PIN dvss
+ DIRECTION INOUT ;
+ USE GROUND ;
+ PORT
+ LAYER met5 ;
+ RECT 0.000 0.000 3.200 6.400 ;
+ END
+ PORT
+ LAYER met5 ;
+ RECT 0.000 156.430 3.200 162.830 ;
+ END
+ END dvss
+END sar_10b
+END LIBRARY
