Moved files to proper directories
diff --git a/gds/sram_1rw0r0w_32_1024_sky130.gds b/gds/sram_1rw0r0w_32_1024_sky130.gds
new file mode 100644
index 0000000..12809dd
--- /dev/null
+++ b/gds/sram_1rw0r0w_32_1024_sky130.gds
Binary files differ
diff --git a/gds/sram_1rw0r0w_32_256_sky130.gds b/gds/sram_1rw0r0w_32_256_sky130.gds
new file mode 100644
index 0000000..517adc2
--- /dev/null
+++ b/gds/sram_1rw0r0w_32_256_sky130.gds
Binary files differ
diff --git a/gds/sram_1rw0r0w_32_512_sky130.gds b/gds/sram_1rw0r0w_32_512_sky130.gds
new file mode 100644
index 0000000..89b5ad5
--- /dev/null
+++ b/gds/sram_1rw0r0w_32_512_sky130.gds
Binary files differ
diff --git a/gds/sram_1rw0r0w_64_512_sky130.gds b/gds/sram_1rw0r0w_64_512_sky130.gds
new file mode 100644
index 0000000..8183185
--- /dev/null
+++ b/gds/sram_1rw0r0w_64_512_sky130.gds
Binary files differ
diff --git a/lef/sram_1rw0r0w_32_1024_sky130.lef b/lef/sram_1rw0r0w_32_1024_sky130.lef
new file mode 100644
index 0000000..ca8c720
--- /dev/null
+++ b/lef/sram_1rw0r0w_32_1024_sky130.lef
@@ -0,0 +1,779 @@
+VERSION 5.4 ;
+NAMESCASESENSITIVE ON ;
+BUSBITCHARS "[]" ;
+DIVIDERCHAR "/" ;
+UNITS
+  DATABASE MICRONS 2000 ;
+END UNITS
+MACRO sram_1rw0r0w_32_1024_sky130
+   CLASS BLOCK ;
+   SIZE 800.74 BY 347.18 ;
+   SYMMETRY X Y R90 ;
+   PIN din0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  124.44 0.0 124.82 0.38 ;
+      END
+   END din0[0]
+   PIN din0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  131.24 0.0 131.62 0.38 ;
+      END
+   END din0[1]
+   PIN din0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  136.0 0.0 136.38 0.38 ;
+      END
+   END din0[2]
+   PIN din0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  142.12 0.0 142.5 0.38 ;
+      END
+   END din0[3]
+   PIN din0[4]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  148.92 0.0 149.3 0.38 ;
+      END
+   END din0[4]
+   PIN din0[5]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  153.68 0.0 154.06 0.38 ;
+      END
+   END din0[5]
+   PIN din0[6]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  160.48 0.0 160.86 0.38 ;
+      END
+   END din0[6]
+   PIN din0[7]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  165.24 0.0 165.62 0.38 ;
+      END
+   END din0[7]
+   PIN din0[8]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  172.04 0.0 172.42 0.38 ;
+      END
+   END din0[8]
+   PIN din0[9]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  178.16 0.0 178.54 0.38 ;
+      END
+   END din0[9]
+   PIN din0[10]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  183.6 0.0 183.98 0.38 ;
+      END
+   END din0[10]
+   PIN din0[11]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  189.72 0.0 190.1 0.38 ;
+      END
+   END din0[11]
+   PIN din0[12]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  195.16 0.0 195.54 0.38 ;
+      END
+   END din0[12]
+   PIN din0[13]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  201.28 0.0 201.66 0.38 ;
+      END
+   END din0[13]
+   PIN din0[14]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  206.04 0.0 206.42 0.38 ;
+      END
+   END din0[14]
+   PIN din0[15]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  212.84 0.0 213.22 0.38 ;
+      END
+   END din0[15]
+   PIN din0[16]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  218.96 0.0 219.34 0.38 ;
+      END
+   END din0[16]
+   PIN din0[17]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  224.4 0.0 224.78 0.38 ;
+      END
+   END din0[17]
+   PIN din0[18]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  230.52 0.0 230.9 0.38 ;
+      END
+   END din0[18]
+   PIN din0[19]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  235.96 0.0 236.34 0.38 ;
+      END
+   END din0[19]
+   PIN din0[20]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  242.08 0.0 242.46 0.38 ;
+      END
+   END din0[20]
+   PIN din0[21]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  248.2 0.0 248.58 0.38 ;
+      END
+   END din0[21]
+   PIN din0[22]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  253.64 0.0 254.02 0.38 ;
+      END
+   END din0[22]
+   PIN din0[23]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  259.76 0.0 260.14 0.38 ;
+      END
+   END din0[23]
+   PIN din0[24]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  264.52 0.0 264.9 0.38 ;
+      END
+   END din0[24]
+   PIN din0[25]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  271.32 0.0 271.7 0.38 ;
+      END
+   END din0[25]
+   PIN din0[26]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  276.08 0.0 276.46 0.38 ;
+      END
+   END din0[26]
+   PIN din0[27]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  282.2 0.0 282.58 0.38 ;
+      END
+   END din0[27]
+   PIN din0[28]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  288.32 0.0 288.7 0.38 ;
+      END
+   END din0[28]
+   PIN din0[29]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  293.76 0.0 294.14 0.38 ;
+      END
+   END din0[29]
+   PIN din0[30]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  300.56 0.0 300.94 0.38 ;
+      END
+   END din0[30]
+   PIN din0[31]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  305.32 0.0 305.7 0.38 ;
+      END
+   END din0[31]
+   PIN din0[32]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  312.12 0.0 312.5 0.38 ;
+      END
+   END din0[32]
+   PIN addr0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  83.64 0.0 84.02 0.38 ;
+      END
+   END addr0[0]
+   PIN addr0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  89.76 0.0 90.14 0.38 ;
+      END
+   END addr0[1]
+   PIN addr0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  95.2 0.0 95.58 0.38 ;
+      END
+   END addr0[2]
+   PIN addr0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 167.96 0.38 168.34 ;
+      END
+   END addr0[3]
+   PIN addr0[4]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 175.44 0.38 175.82 ;
+      END
+   END addr0[4]
+   PIN addr0[5]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 181.56 0.38 181.94 ;
+      END
+   END addr0[5]
+   PIN addr0[6]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 189.72 0.38 190.1 ;
+      END
+   END addr0[6]
+   PIN addr0[7]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 196.52 0.38 196.9 ;
+      END
+   END addr0[7]
+   PIN addr0[8]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 204.68 0.38 205.06 ;
+      END
+   END addr0[8]
+   PIN addr0[9]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 209.44 0.38 209.82 ;
+      END
+   END addr0[9]
+   PIN csb0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 64.6 0.38 64.98 ;
+      END
+   END csb0
+   PIN web0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 73.44 0.38 73.82 ;
+      END
+   END web0
+   PIN clk0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 65.28 0.38 65.66 ;
+      END
+   END clk0
+   PIN wmask0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  101.32 0.0 101.7 0.38 ;
+      END
+   END wmask0[0]
+   PIN wmask0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  107.44 0.0 107.82 0.38 ;
+      END
+   END wmask0[1]
+   PIN wmask0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  113.56 0.0 113.94 0.38 ;
+      END
+   END wmask0[2]
+   PIN wmask0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  119.68 0.0 120.06 0.38 ;
+      END
+   END wmask0[3]
+   PIN spare_wen0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  317.56 0.0 317.94 0.38 ;
+      END
+   END spare_wen0[0]
+   PIN dout0[0]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  145.52 0.0 145.9 0.38 ;
+      END
+   END dout0[0]
+   PIN dout0[1]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  167.28 0.0 167.66 0.38 ;
+      END
+   END dout0[1]
+   PIN dout0[2]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  187.0 0.0 187.38 0.38 ;
+      END
+   END dout0[2]
+   PIN dout0[3]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  207.4 0.0 207.78 0.38 ;
+      END
+   END dout0[3]
+   PIN dout0[4]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  227.12 0.0 227.5 0.38 ;
+      END
+   END dout0[4]
+   PIN dout0[5]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  247.52 0.0 247.9 0.38 ;
+      END
+   END dout0[5]
+   PIN dout0[6]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  267.24 0.0 267.62 0.38 ;
+      END
+   END dout0[6]
+   PIN dout0[7]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  286.28 0.0 286.66 0.38 ;
+      END
+   END dout0[7]
+   PIN dout0[8]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  306.0 0.0 306.38 0.38 ;
+      END
+   END dout0[8]
+   PIN dout0[9]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  327.08 0.0 327.46 0.38 ;
+      END
+   END dout0[9]
+   PIN dout0[10]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  346.8 0.0 347.18 0.38 ;
+      END
+   END dout0[10]
+   PIN dout0[11]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  367.2 0.0 367.58 0.38 ;
+      END
+   END dout0[11]
+   PIN dout0[12]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  386.92 0.0 387.3 0.38 ;
+      END
+   END dout0[12]
+   PIN dout0[13]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  407.32 0.0 407.7 0.38 ;
+      END
+   END dout0[13]
+   PIN dout0[14]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  427.04 0.0 427.42 0.38 ;
+      END
+   END dout0[14]
+   PIN dout0[15]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  446.76 0.0 447.14 0.38 ;
+      END
+   END dout0[15]
+   PIN dout0[16]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  465.8 0.0 466.18 0.38 ;
+      END
+   END dout0[16]
+   PIN dout0[17]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  486.88 0.0 487.26 0.38 ;
+      END
+   END dout0[17]
+   PIN dout0[18]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  507.28 0.0 507.66 0.38 ;
+      END
+   END dout0[18]
+   PIN dout0[19]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  527.0 0.0 527.38 0.38 ;
+      END
+   END dout0[19]
+   PIN dout0[20]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  546.72 0.0 547.1 0.38 ;
+      END
+   END dout0[20]
+   PIN dout0[21]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  567.12 0.0 567.5 0.38 ;
+      END
+   END dout0[21]
+   PIN dout0[22]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  586.84 0.0 587.22 0.38 ;
+      END
+   END dout0[22]
+   PIN dout0[23]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  607.24 0.0 607.62 0.38 ;
+      END
+   END dout0[23]
+   PIN dout0[24]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  625.6 0.0 625.98 0.38 ;
+      END
+   END dout0[24]
+   PIN dout0[25]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  646.68 0.0 647.06 0.38 ;
+      END
+   END dout0[25]
+   PIN dout0[26]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  667.08 0.0 667.46 0.38 ;
+      END
+   END dout0[26]
+   PIN dout0[27]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  686.8 0.0 687.18 0.38 ;
+      END
+   END dout0[27]
+   PIN dout0[28]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  707.2 0.0 707.58 0.38 ;
+      END
+   END dout0[28]
+   PIN dout0[29]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  800.36 90.44 800.74 90.82 ;
+      END
+   END dout0[29]
+   PIN dout0[30]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  800.36 84.32 800.74 84.7 ;
+      END
+   END dout0[30]
+   PIN dout0[31]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  800.36 89.76 800.74 90.14 ;
+      END
+   END dout0[31]
+   PIN dout0[32]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  800.36 85.0 800.74 85.38 ;
+      END
+   END dout0[32]
+   PIN vpwr
+      DIRECTION INOUT ;
+      USE POWER ; 
+      SHAPE ABUTMENT ; 
+      PORT
+         LAYER met4 ;
+         RECT  1.36 1.36 3.1 347.18 ;
+         LAYER met3 ;
+         RECT  1.36 1.36 799.38 3.1 ;
+         LAYER met4 ;
+         RECT  797.64 1.36 799.38 347.18 ;
+         LAYER met3 ;
+         RECT  1.36 345.44 799.38 347.18 ;
+      END
+   END vpwr
+   PIN vgnd
+      DIRECTION INOUT ;
+      USE GROUND ; 
+      SHAPE ABUTMENT ; 
+      PORT
+         LAYER met3 ;
+         RECT  4.76 4.76 795.98 6.5 ;
+         LAYER met4 ;
+         RECT  794.24 4.76 795.98 343.78 ;
+         LAYER met3 ;
+         RECT  4.76 342.04 795.98 343.78 ;
+         LAYER met4 ;
+         RECT  4.76 4.76 6.5 343.78 ;
+      END
+   END vgnd
+   OBS
+   LAYER  met1 ;
+      RECT  0.62 0.62 800.12 346.56 ;
+   LAYER  met2 ;
+      RECT  0.62 0.62 800.12 346.56 ;
+   LAYER  met3 ;
+      RECT  0.98 167.36 800.12 168.94 ;
+      RECT  0.62 168.94 0.98 174.84 ;
+      RECT  0.62 176.42 0.98 180.96 ;
+      RECT  0.62 182.54 0.98 189.12 ;
+      RECT  0.62 190.7 0.98 195.92 ;
+      RECT  0.62 197.5 0.98 204.08 ;
+      RECT  0.62 205.66 0.98 208.84 ;
+      RECT  0.62 74.42 0.98 167.36 ;
+      RECT  0.62 66.26 0.98 72.84 ;
+      RECT  0.98 89.84 799.76 91.42 ;
+      RECT  0.98 91.42 799.76 167.36 ;
+      RECT  799.76 91.42 800.12 167.36 ;
+      RECT  799.76 85.98 800.12 89.16 ;
+      RECT  0.62 0.62 0.76 0.76 ;
+      RECT  0.62 0.76 0.76 3.7 ;
+      RECT  0.62 3.7 0.76 64.0 ;
+      RECT  0.76 0.62 0.98 0.76 ;
+      RECT  0.76 3.7 0.98 64.0 ;
+      RECT  0.98 0.62 799.76 0.76 ;
+      RECT  799.76 0.62 799.98 0.76 ;
+      RECT  799.76 3.7 799.98 83.72 ;
+      RECT  799.98 0.62 800.12 0.76 ;
+      RECT  799.98 0.76 800.12 3.7 ;
+      RECT  799.98 3.7 800.12 83.72 ;
+      RECT  799.98 168.94 800.12 344.84 ;
+      RECT  799.98 344.84 800.12 346.56 ;
+      RECT  0.62 210.42 0.76 344.84 ;
+      RECT  0.62 344.84 0.76 346.56 ;
+      RECT  0.76 210.42 0.98 344.84 ;
+      RECT  0.98 3.7 4.16 4.16 ;
+      RECT  0.98 4.16 4.16 7.1 ;
+      RECT  0.98 7.1 4.16 89.84 ;
+      RECT  4.16 3.7 796.58 4.16 ;
+      RECT  4.16 7.1 796.58 89.84 ;
+      RECT  796.58 3.7 799.76 4.16 ;
+      RECT  796.58 4.16 799.76 7.1 ;
+      RECT  796.58 7.1 799.76 89.84 ;
+      RECT  0.98 168.94 4.16 341.44 ;
+      RECT  0.98 341.44 4.16 344.38 ;
+      RECT  0.98 344.38 4.16 344.84 ;
+      RECT  4.16 168.94 796.58 341.44 ;
+      RECT  4.16 344.38 796.58 344.84 ;
+      RECT  796.58 168.94 799.98 341.44 ;
+      RECT  796.58 341.44 799.98 344.38 ;
+      RECT  796.58 344.38 799.98 344.84 ;
+   LAYER  met4 ;
+      RECT  123.84 0.98 125.42 346.56 ;
+      RECT  125.42 0.62 130.64 0.98 ;
+      RECT  132.22 0.62 135.4 0.98 ;
+      RECT  136.98 0.62 141.52 0.98 ;
+      RECT  149.9 0.62 153.08 0.98 ;
+      RECT  154.66 0.62 159.88 0.98 ;
+      RECT  161.46 0.62 164.64 0.98 ;
+      RECT  173.02 0.62 177.56 0.98 ;
+      RECT  179.14 0.62 183.0 0.98 ;
+      RECT  190.7 0.62 194.56 0.98 ;
+      RECT  196.14 0.62 200.68 0.98 ;
+      RECT  202.26 0.62 205.44 0.98 ;
+      RECT  213.82 0.62 218.36 0.98 ;
+      RECT  219.94 0.62 223.8 0.98 ;
+      RECT  231.5 0.62 235.36 0.98 ;
+      RECT  236.94 0.62 241.48 0.98 ;
+      RECT  249.18 0.62 253.04 0.98 ;
+      RECT  254.62 0.62 259.16 0.98 ;
+      RECT  260.74 0.62 263.92 0.98 ;
+      RECT  272.3 0.62 275.48 0.98 ;
+      RECT  277.06 0.62 281.6 0.98 ;
+      RECT  289.3 0.62 293.16 0.98 ;
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+      RECT  708.18 0.76 797.04 0.98 ;
+      RECT  797.04 0.62 799.98 0.76 ;
+      RECT  799.98 0.62 800.12 0.76 ;
+      RECT  799.98 0.76 800.12 0.98 ;
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+      RECT  125.42 344.38 793.64 346.56 ;
+      RECT  793.64 0.98 796.58 4.16 ;
+      RECT  793.64 344.38 796.58 346.56 ;
+      RECT  796.58 0.98 797.04 4.16 ;
+      RECT  796.58 4.16 797.04 344.38 ;
+      RECT  796.58 344.38 797.04 346.56 ;
+      RECT  3.7 0.98 4.16 4.16 ;
+      RECT  3.7 4.16 4.16 344.38 ;
+      RECT  3.7 344.38 4.16 346.56 ;
+      RECT  4.16 0.98 7.1 4.16 ;
+      RECT  4.16 344.38 7.1 346.56 ;
+      RECT  7.1 0.98 123.84 4.16 ;
+      RECT  7.1 4.16 123.84 344.38 ;
+      RECT  7.1 344.38 123.84 346.56 ;
+   END
+END    sram_1rw0r0w_32_1024_sky130
+END    LIBRARY
diff --git a/lef/sram_1rw0r0w_32_256_sky130.lef b/lef/sram_1rw0r0w_32_256_sky130.lef
new file mode 100644
index 0000000..c1d8347
--- /dev/null
+++ b/lef/sram_1rw0r0w_32_256_sky130.lef
@@ -0,0 +1,771 @@
+VERSION 5.4 ;
+NAMESCASESENSITIVE ON ;
+BUSBITCHARS "[]" ;
+DIVIDERCHAR "/" ;
+UNITS
+  DATABASE MICRONS 2000 ;
+END UNITS
+MACRO sram_1rw0r0w_32_256_sky130
+   CLASS BLOCK ;
+   SIZE 472.3 BY 219.34 ;
+   SYMMETRY X Y R90 ;
+   PIN din0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  112.88 0.0 113.26 0.38 ;
+      END
+   END din0[0]
+   PIN din0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  118.32 0.0 118.7 0.38 ;
+      END
+   END din0[1]
+   PIN din0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  124.44 0.0 124.82 0.38 ;
+      END
+   END din0[2]
+   PIN din0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  129.88 0.0 130.26 0.38 ;
+      END
+   END din0[3]
+   PIN din0[4]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  136.0 0.0 136.38 0.38 ;
+      END
+   END din0[4]
+   PIN din0[5]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  142.8 0.0 143.18 0.38 ;
+      END
+   END din0[5]
+   PIN din0[6]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  147.56 0.0 147.94 0.38 ;
+      END
+   END din0[6]
+   PIN din0[7]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  153.68 0.0 154.06 0.38 ;
+      END
+   END din0[7]
+   PIN din0[8]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  159.12 0.0 159.5 0.38 ;
+      END
+   END din0[8]
+   PIN din0[9]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  165.24 0.0 165.62 0.38 ;
+      END
+   END din0[9]
+   PIN din0[10]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  170.68 0.0 171.06 0.38 ;
+      END
+   END din0[10]
+   PIN din0[11]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  176.8 0.0 177.18 0.38 ;
+      END
+   END din0[11]
+   PIN din0[12]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  182.92 0.0 183.3 0.38 ;
+      END
+   END din0[12]
+   PIN din0[13]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  188.36 0.0 188.74 0.38 ;
+      END
+   END din0[13]
+   PIN din0[14]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  195.16 0.0 195.54 0.38 ;
+      END
+   END din0[14]
+   PIN din0[15]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  200.6 0.0 200.98 0.38 ;
+      END
+   END din0[15]
+   PIN din0[16]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  206.72 0.0 207.1 0.38 ;
+      END
+   END din0[16]
+   PIN din0[17]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  212.84 0.0 213.22 0.38 ;
+      END
+   END din0[17]
+   PIN din0[18]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  217.6 0.0 217.98 0.38 ;
+      END
+   END din0[18]
+   PIN din0[19]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  224.4 0.0 224.78 0.38 ;
+      END
+   END din0[19]
+   PIN din0[20]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  229.84 0.0 230.22 0.38 ;
+      END
+   END din0[20]
+   PIN din0[21]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  235.96 0.0 236.34 0.38 ;
+      END
+   END din0[21]
+   PIN din0[22]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  242.08 0.0 242.46 0.38 ;
+      END
+   END din0[22]
+   PIN din0[23]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  247.52 0.0 247.9 0.38 ;
+      END
+   END din0[23]
+   PIN din0[24]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  252.96 0.0 253.34 0.38 ;
+      END
+   END din0[24]
+   PIN din0[25]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  259.08 0.0 259.46 0.38 ;
+      END
+   END din0[25]
+   PIN din0[26]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  265.2 0.0 265.58 0.38 ;
+      END
+   END din0[26]
+   PIN din0[27]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  270.64 0.0 271.02 0.38 ;
+      END
+   END din0[27]
+   PIN din0[28]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  276.08 0.0 276.46 0.38 ;
+      END
+   END din0[28]
+   PIN din0[29]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  282.2 0.0 282.58 0.38 ;
+      END
+   END din0[29]
+   PIN din0[30]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  287.64 0.0 288.02 0.38 ;
+      END
+   END din0[30]
+   PIN din0[31]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  294.44 0.0 294.82 0.38 ;
+      END
+   END din0[31]
+   PIN din0[32]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  299.2 0.0 299.58 0.38 ;
+      END
+   END din0[32]
+   PIN addr0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  77.52 0.0 77.9 0.38 ;
+      END
+   END addr0[0]
+   PIN addr0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  83.64 0.0 84.02 0.38 ;
+      END
+   END addr0[1]
+   PIN addr0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 132.6 0.38 132.98 ;
+      END
+   END addr0[2]
+   PIN addr0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 140.76 0.38 141.14 ;
+      END
+   END addr0[3]
+   PIN addr0[4]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 146.88 0.38 147.26 ;
+      END
+   END addr0[4]
+   PIN addr0[5]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  67.32 218.96 67.7 219.34 ;
+      END
+   END addr0[5]
+   PIN addr0[6]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  66.64 218.96 67.02 219.34 ;
+      END
+   END addr0[6]
+   PIN addr0[7]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  65.96 218.96 66.34 219.34 ;
+      END
+   END addr0[7]
+   PIN csb0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 36.72 0.38 37.1 ;
+      END
+   END csb0
+   PIN web0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 45.56 0.38 45.94 ;
+      END
+   END web0
+   PIN clk0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 37.4 0.38 37.78 ;
+      END
+   END clk0
+   PIN wmask0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  89.76 0.0 90.14 0.38 ;
+      END
+   END wmask0[0]
+   PIN wmask0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  95.2 0.0 95.58 0.38 ;
+      END
+   END wmask0[1]
+   PIN wmask0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  102.0 0.0 102.38 0.38 ;
+      END
+   END wmask0[2]
+   PIN wmask0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  107.44 0.0 107.82 0.38 ;
+      END
+   END wmask0[3]
+   PIN spare_wen0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  306.0 0.0 306.38 0.38 ;
+      END
+   END spare_wen0[0]
+   PIN dout0[0]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  139.4 0.0 139.78 0.38 ;
+      END
+   END dout0[0]
+   PIN dout0[1]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  148.92 0.0 149.3 0.38 ;
+      END
+   END dout0[1]
+   PIN dout0[2]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  157.76 0.0 158.14 0.38 ;
+      END
+   END dout0[2]
+   PIN dout0[3]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  168.64 0.0 169.02 0.38 ;
+      END
+   END dout0[3]
+   PIN dout0[4]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  178.84 0.0 179.22 0.38 ;
+      END
+   END dout0[4]
+   PIN dout0[5]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  189.04 0.0 189.42 0.38 ;
+      END
+   END dout0[5]
+   PIN dout0[6]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  198.56 0.0 198.94 0.38 ;
+      END
+   END dout0[6]
+   PIN dout0[7]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  208.76 0.0 209.14 0.38 ;
+      END
+   END dout0[7]
+   PIN dout0[8]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  216.24 0.0 216.62 0.38 ;
+      END
+   END dout0[8]
+   PIN dout0[9]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  227.8 0.0 228.18 0.38 ;
+      END
+   END dout0[9]
+   PIN dout0[10]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  238.68 0.0 239.06 0.38 ;
+      END
+   END dout0[10]
+   PIN dout0[11]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  248.88 0.0 249.26 0.38 ;
+      END
+   END dout0[11]
+   PIN dout0[12]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  257.04 0.0 257.42 0.38 ;
+      END
+   END dout0[12]
+   PIN dout0[13]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  268.6 0.0 268.98 0.38 ;
+      END
+   END dout0[13]
+   PIN dout0[14]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  278.8 0.0 279.18 0.38 ;
+      END
+   END dout0[14]
+   PIN dout0[15]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  289.0 0.0 289.38 0.38 ;
+      END
+   END dout0[15]
+   PIN dout0[16]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  297.84 0.0 298.22 0.38 ;
+      END
+   END dout0[16]
+   PIN dout0[17]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  309.4 0.0 309.78 0.38 ;
+      END
+   END dout0[17]
+   PIN dout0[18]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  318.92 0.0 319.3 0.38 ;
+      END
+   END dout0[18]
+   PIN dout0[19]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  329.12 0.0 329.5 0.38 ;
+      END
+   END dout0[19]
+   PIN dout0[20]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  338.64 0.0 339.02 0.38 ;
+      END
+   END dout0[20]
+   PIN dout0[21]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  348.84 0.0 349.22 0.38 ;
+      END
+   END dout0[21]
+   PIN dout0[22]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  359.04 0.0 359.42 0.38 ;
+      END
+   END dout0[22]
+   PIN dout0[23]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  369.24 0.0 369.62 0.38 ;
+      END
+   END dout0[23]
+   PIN dout0[24]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  377.4 0.0 377.78 0.38 ;
+      END
+   END dout0[24]
+   PIN dout0[25]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  388.96 0.0 389.34 0.38 ;
+      END
+   END dout0[25]
+   PIN dout0[26]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  399.16 0.0 399.54 0.38 ;
+      END
+   END dout0[26]
+   PIN dout0[27]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  408.68 0.0 409.06 0.38 ;
+      END
+   END dout0[27]
+   PIN dout0[28]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  471.92 58.48 472.3 58.86 ;
+      END
+   END dout0[28]
+   PIN dout0[29]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  471.92 59.16 472.3 59.54 ;
+      END
+   END dout0[29]
+   PIN dout0[30]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  471.92 63.92 472.3 64.3 ;
+      END
+   END dout0[30]
+   PIN dout0[31]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  471.92 59.84 472.3 60.22 ;
+      END
+   END dout0[31]
+   PIN dout0[32]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  471.92 61.88 472.3 62.26 ;
+      END
+   END dout0[32]
+   PIN vpwr
+      DIRECTION INOUT ;
+      USE POWER ; 
+      SHAPE ABUTMENT ; 
+      PORT
+         LAYER met4 ;
+         RECT  469.2 1.36 470.94 217.98 ;
+         LAYER met3 ;
+         RECT  1.36 216.24 470.94 217.98 ;
+         LAYER met3 ;
+         RECT  1.36 1.36 470.94 3.1 ;
+         LAYER met4 ;
+         RECT  1.36 1.36 3.1 217.98 ;
+      END
+   END vpwr
+   PIN vgnd
+      DIRECTION INOUT ;
+      USE GROUND ; 
+      SHAPE ABUTMENT ; 
+      PORT
+         LAYER met4 ;
+         RECT  4.76 4.76 6.5 214.58 ;
+         LAYER met3 ;
+         RECT  4.76 212.84 467.54 214.58 ;
+         LAYER met3 ;
+         RECT  4.76 4.76 467.54 6.5 ;
+         LAYER met4 ;
+         RECT  465.8 4.76 467.54 214.58 ;
+      END
+   END vgnd
+   OBS
+   LAYER  met1 ;
+      RECT  0.62 0.62 471.68 218.72 ;
+   LAYER  met2 ;
+      RECT  0.62 0.62 471.68 218.72 ;
+   LAYER  met3 ;
+      RECT  0.98 132.0 471.68 133.58 ;
+      RECT  0.62 133.58 0.98 140.16 ;
+      RECT  0.62 141.74 0.98 146.28 ;
+      RECT  0.62 46.54 0.98 132.0 ;
+      RECT  0.62 38.38 0.98 44.96 ;
+      RECT  0.98 57.88 471.32 59.46 ;
+      RECT  0.98 59.46 471.32 132.0 ;
+      RECT  471.32 64.9 471.68 132.0 ;
+      RECT  471.32 60.82 471.68 61.28 ;
+      RECT  471.32 62.86 471.68 63.32 ;
+      RECT  0.98 218.58 471.54 218.72 ;
+      RECT  471.54 133.58 471.68 215.64 ;
+      RECT  471.54 215.64 471.68 218.58 ;
+      RECT  471.54 218.58 471.68 218.72 ;
+      RECT  0.62 147.86 0.76 215.64 ;
+      RECT  0.62 215.64 0.76 218.58 ;
+      RECT  0.62 218.58 0.76 218.72 ;
+      RECT  0.76 147.86 0.98 215.64 ;
+      RECT  0.76 218.58 0.98 218.72 ;
+      RECT  0.62 0.62 0.76 0.76 ;
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+      RECT  468.14 215.18 468.6 218.58 ;
+   END
+END    sram_1rw0r0w_32_256_sky130
+END    LIBRARY
diff --git a/lef/sram_1rw0r0w_32_512_sky130.lef b/lef/sram_1rw0r0w_32_512_sky130.lef
new file mode 100644
index 0000000..85dd8f6
--- /dev/null
+++ b/lef/sram_1rw0r0w_32_512_sky130.lef
@@ -0,0 +1,768 @@
+VERSION 5.4 ;
+NAMESCASESENSITIVE ON ;
+BUSBITCHARS "[]" ;
+DIVIDERCHAR "/" ;
+UNITS
+  DATABASE MICRONS 2000 ;
+END UNITS
+MACRO sram_1rw0r0w_32_512_sky130
+   CLASS BLOCK ;
+   SIZE 475.02 BY 319.3 ;
+   SYMMETRY X Y R90 ;
+   PIN din0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  113.56 0.0 113.94 0.38 ;
+      END
+   END din0[0]
+   PIN din0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  119.0 0.0 119.38 0.38 ;
+      END
+   END din0[1]
+   PIN din0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  125.12 0.0 125.5 0.38 ;
+      END
+   END din0[2]
+   PIN din0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  130.56 0.0 130.94 0.38 ;
+      END
+   END din0[3]
+   PIN din0[4]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  136.68 0.0 137.06 0.38 ;
+      END
+   END din0[4]
+   PIN din0[5]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  143.48 0.0 143.86 0.38 ;
+      END
+   END din0[5]
+   PIN din0[6]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  148.24 0.0 148.62 0.38 ;
+      END
+   END din0[6]
+   PIN din0[7]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  154.36 0.0 154.74 0.38 ;
+      END
+   END din0[7]
+   PIN din0[8]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  159.8 0.0 160.18 0.38 ;
+      END
+   END din0[8]
+   PIN din0[9]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  165.92 0.0 166.3 0.38 ;
+      END
+   END din0[9]
+   PIN din0[10]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  171.36 0.0 171.74 0.38 ;
+      END
+   END din0[10]
+   PIN din0[11]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  177.48 0.0 177.86 0.38 ;
+      END
+   END din0[11]
+   PIN din0[12]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  183.6 0.0 183.98 0.38 ;
+      END
+   END din0[12]
+   PIN din0[13]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  189.04 0.0 189.42 0.38 ;
+      END
+   END din0[13]
+   PIN din0[14]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  195.84 0.0 196.22 0.38 ;
+      END
+   END din0[14]
+   PIN din0[15]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  201.28 0.0 201.66 0.38 ;
+      END
+   END din0[15]
+   PIN din0[16]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  207.4 0.0 207.78 0.38 ;
+      END
+   END din0[16]
+   PIN din0[17]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  213.52 0.0 213.9 0.38 ;
+      END
+   END din0[17]
+   PIN din0[18]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  218.28 0.0 218.66 0.38 ;
+      END
+   END din0[18]
+   PIN din0[19]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  225.08 0.0 225.46 0.38 ;
+      END
+   END din0[19]
+   PIN din0[20]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  230.52 0.0 230.9 0.38 ;
+      END
+   END din0[20]
+   PIN din0[21]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  236.64 0.0 237.02 0.38 ;
+      END
+   END din0[21]
+   PIN din0[22]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
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+      END
+   END din0[22]
+   PIN din0[23]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
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+      END
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+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
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+      END
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+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
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+      END
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+   PIN din0[26]
+      DIRECTION INPUT ;
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+      END
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+   PIN din0[27]
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+      PORT
+         LAYER met4 ;
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+      END
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+   PIN din0[28]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
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+      END
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+   PIN din0[29]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  282.88 0.0 283.26 0.38 ;
+      END
+   END din0[29]
+   PIN din0[30]
+      DIRECTION INPUT ;
+      PORT
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+      END
+   END din0[30]
+   PIN din0[31]
+      DIRECTION INPUT ;
+      PORT
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+      END
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+   PIN din0[32]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
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+      END
+   END din0[32]
+   PIN addr0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  78.2 0.0 78.58 0.38 ;
+      END
+   END addr0[0]
+   PIN addr0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
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+      END
+   END addr0[1]
+   PIN addr0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 138.72 0.38 139.1 ;
+      END
+   END addr0[2]
+   PIN addr0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 147.56 0.38 147.94 ;
+      END
+   END addr0[3]
+   PIN addr0[4]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 152.32 0.38 152.7 ;
+      END
+   END addr0[4]
+   PIN addr0[5]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
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+      END
+   END addr0[5]
+   PIN addr0[6]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 167.96 0.38 168.34 ;
+      END
+   END addr0[6]
+   PIN addr0[7]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 175.44 0.38 175.82 ;
+      END
+   END addr0[7]
+   PIN addr0[8]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 181.56 0.38 181.94 ;
+      END
+   END addr0[8]
+   PIN csb0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 36.72 0.38 37.1 ;
+      END
+   END csb0
+   PIN web0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 43.52 0.38 43.9 ;
+      END
+   END web0
+   PIN clk0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 37.4 0.38 37.78 ;
+      END
+   END clk0
+   PIN wmask0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  90.44 0.0 90.82 0.38 ;
+      END
+   END wmask0[0]
+   PIN wmask0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  95.88 0.0 96.26 0.38 ;
+      END
+   END wmask0[1]
+   PIN wmask0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  102.68 0.0 103.06 0.38 ;
+      END
+   END wmask0[2]
+   PIN wmask0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  108.12 0.0 108.5 0.38 ;
+      END
+   END wmask0[3]
+   PIN spare_wen0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  306.68 0.0 307.06 0.38 ;
+      END
+   END spare_wen0[0]
+   PIN dout0[0]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  140.08 0.0 140.46 0.38 ;
+      END
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+      DIRECTION OUTPUT ;
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+      END
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+   PIN dout0[2]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  161.84 0.0 162.22 0.38 ;
+      END
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+   PIN dout0[3]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  172.04 0.0 172.42 0.38 ;
+      END
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+   PIN dout0[4]
+      DIRECTION OUTPUT ;
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+         LAYER met4 ;
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+   PIN dout0[5]
+      DIRECTION OUTPUT ;
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+   PIN dout0[6]
+      DIRECTION OUTPUT ;
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+      END
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+   PIN dout0[7]
+      DIRECTION OUTPUT ;
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+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
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+      END
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+   PIN dout0[11]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
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+      DIRECTION OUTPUT ;
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+      DIRECTION OUTPUT ;
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+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  280.84 0.0 281.22 0.38 ;
+      END
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+         LAYER met4 ;
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+      END
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+      DIRECTION OUTPUT ;
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+         LAYER met4 ;
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+      DIRECTION OUTPUT ;
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+      DIRECTION OUTPUT ;
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+      END
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+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  474.64 58.48 475.02 58.86 ;
+      END
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+   PIN dout0[29]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  474.64 59.16 475.02 59.54 ;
+      END
+   END dout0[29]
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+      DIRECTION OUTPUT ;
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+      END
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+      DIRECTION INOUT ;
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+      SHAPE ABUTMENT ; 
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+      END
+   END vpwr
+   PIN vgnd
+      DIRECTION INOUT ;
+      USE GROUND ; 
+      SHAPE ABUTMENT ; 
+      PORT
+         LAYER met3 ;
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+      RECT  470.86 316.5 471.32 318.68 ;
+   END
+END    sram_1rw0r0w_32_512_sky130
+END    LIBRARY
diff --git a/lef/sram_1rw0r0w_64_512_sky130.lef b/lef/sram_1rw0r0w_64_512_sky130.lef
new file mode 100644
index 0000000..8a2b202
--- /dev/null
+++ b/lef/sram_1rw0r0w_64_512_sky130.lef
@@ -0,0 +1,1304 @@
+VERSION 5.4 ;
+NAMESCASESENSITIVE ON ;
+BUSBITCHARS "[]" ;
+DIVIDERCHAR "/" ;
+UNITS
+  DATABASE MICRONS 2000 ;
+END UNITS
+MACRO sram_1rw0r0w_64_512_sky130
+   CLASS BLOCK ;
+   SIZE 822.5 BY 334.94 ;
+   SYMMETRY X Y R90 ;
+   PIN din0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  163.88 0.0 164.26 0.38 ;
+      END
+   END din0[0]
+   PIN din0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
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+      END
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+      DIRECTION INPUT ;
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+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
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+      END
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+      END
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+      DIRECTION INPUT ;
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+      END
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+      DIRECTION INPUT ;
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+      END
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+   END addr0[3]
+   PIN addr0[4]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 168.64 0.38 169.02 ;
+      END
+   END addr0[4]
+   PIN addr0[5]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 177.48 0.38 177.86 ;
+      END
+   END addr0[5]
+   PIN addr0[6]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 183.6 0.38 183.98 ;
+      END
+   END addr0[6]
+   PIN addr0[7]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 191.08 0.38 191.46 ;
+      END
+   END addr0[7]
+   PIN addr0[8]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 197.2 0.38 197.58 ;
+      END
+   END addr0[8]
+   PIN csb0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 51.68 0.38 52.06 ;
+      END
+   END csb0
+   PIN web0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 59.84 0.38 60.22 ;
+      END
+   END web0
+   PIN clk0
+      DIRECTION INPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  0.0 53.72 0.38 54.1 ;
+      END
+   END clk0
+   PIN wmask0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  117.64 0.0 118.02 0.38 ;
+      END
+   END wmask0[0]
+   PIN wmask0[1]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  123.76 0.0 124.14 0.38 ;
+      END
+   END wmask0[1]
+   PIN wmask0[2]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  129.88 0.0 130.26 0.38 ;
+      END
+   END wmask0[2]
+   PIN wmask0[3]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  134.64 0.0 135.02 0.38 ;
+      END
+   END wmask0[3]
+   PIN wmask0[4]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  141.44 0.0 141.82 0.38 ;
+      END
+   END wmask0[4]
+   PIN wmask0[5]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  146.2 0.0 146.58 0.38 ;
+      END
+   END wmask0[5]
+   PIN wmask0[6]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  153.0 0.0 153.38 0.38 ;
+      END
+   END wmask0[6]
+   PIN wmask0[7]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  157.76 0.0 158.14 0.38 ;
+      END
+   END wmask0[7]
+   PIN spare_wen0[0]
+      DIRECTION INPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  543.32 0.0 543.7 0.38 ;
+      END
+   END spare_wen0[0]
+   PIN dout0[0]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  167.28 0.0 167.66 0.38 ;
+      END
+   END dout0[0]
+   PIN dout0[1]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  178.84 0.0 179.22 0.38 ;
+      END
+   END dout0[1]
+   PIN dout0[2]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  189.04 0.0 189.42 0.38 ;
+      END
+   END dout0[2]
+   PIN dout0[3]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  199.24 0.0 199.62 0.38 ;
+      END
+   END dout0[3]
+   PIN dout0[4]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  208.76 0.0 209.14 0.38 ;
+      END
+   END dout0[4]
+   PIN dout0[5]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  218.96 0.0 219.34 0.38 ;
+      END
+   END dout0[5]
+   PIN dout0[6]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  228.48 0.0 228.86 0.38 ;
+      END
+   END dout0[6]
+   PIN dout0[7]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  238.0 0.0 238.38 0.38 ;
+      END
+   END dout0[7]
+   PIN dout0[8]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  247.52 0.0 247.9 0.38 ;
+      END
+   END dout0[8]
+   PIN dout0[9]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  259.08 0.0 259.46 0.38 ;
+      END
+   END dout0[9]
+   PIN dout0[10]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  269.28 0.0 269.66 0.38 ;
+      END
+   END dout0[10]
+   PIN dout0[11]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  278.8 0.0 279.18 0.38 ;
+      END
+   END dout0[11]
+   PIN dout0[12]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  289.0 0.0 289.38 0.38 ;
+      END
+   END dout0[12]
+   PIN dout0[13]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  299.2 0.0 299.58 0.38 ;
+      END
+   END dout0[13]
+   PIN dout0[14]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  308.04 0.0 308.42 0.38 ;
+      END
+   END dout0[14]
+   PIN dout0[15]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  318.92 0.0 319.3 0.38 ;
+      END
+   END dout0[15]
+   PIN dout0[16]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  325.72 0.0 326.1 0.38 ;
+      END
+   END dout0[16]
+   PIN dout0[17]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  337.28 0.0 337.66 0.38 ;
+      END
+   END dout0[17]
+   PIN dout0[18]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  348.84 0.0 349.22 0.38 ;
+      END
+   END dout0[18]
+   PIN dout0[19]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  359.04 0.0 359.42 0.38 ;
+      END
+   END dout0[19]
+   PIN dout0[20]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  369.24 0.0 369.62 0.38 ;
+      END
+   END dout0[20]
+   PIN dout0[21]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  378.08 0.0 378.46 0.38 ;
+      END
+   END dout0[21]
+   PIN dout0[22]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  388.96 0.0 389.34 0.38 ;
+      END
+   END dout0[22]
+   PIN dout0[23]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  399.16 0.0 399.54 0.38 ;
+      END
+   END dout0[23]
+   PIN dout0[24]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  407.32 0.0 407.7 0.38 ;
+      END
+   END dout0[24]
+   PIN dout0[25]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  418.88 0.0 419.26 0.38 ;
+      END
+   END dout0[25]
+   PIN dout0[26]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  429.08 0.0 429.46 0.38 ;
+      END
+   END dout0[26]
+   PIN dout0[27]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  439.28 0.0 439.66 0.38 ;
+      END
+   END dout0[27]
+   PIN dout0[28]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  448.12 0.0 448.5 0.38 ;
+      END
+   END dout0[28]
+   PIN dout0[29]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  459.0 0.0 459.38 0.38 ;
+      END
+   END dout0[29]
+   PIN dout0[30]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  469.2 0.0 469.58 0.38 ;
+      END
+   END dout0[30]
+   PIN dout0[31]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  477.36 0.0 477.74 0.38 ;
+      END
+   END dout0[31]
+   PIN dout0[32]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  487.56 0.0 487.94 0.38 ;
+      END
+   END dout0[32]
+   PIN dout0[33]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  499.12 0.0 499.5 0.38 ;
+      END
+   END dout0[33]
+   PIN dout0[34]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  508.64 0.0 509.02 0.38 ;
+      END
+   END dout0[34]
+   PIN dout0[35]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  518.16 0.0 518.54 0.38 ;
+      END
+   END dout0[35]
+   PIN dout0[36]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  529.04 0.0 529.42 0.38 ;
+      END
+   END dout0[36]
+   PIN dout0[37]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  538.56 0.0 538.94 0.38 ;
+      END
+   END dout0[37]
+   PIN dout0[38]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  547.4 0.0 547.78 0.38 ;
+      END
+   END dout0[38]
+   PIN dout0[39]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  558.96 0.0 559.34 0.38 ;
+      END
+   END dout0[39]
+   PIN dout0[40]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  567.8 0.0 568.18 0.38 ;
+      END
+   END dout0[40]
+   PIN dout0[41]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  578.68 0.0 579.06 0.38 ;
+      END
+   END dout0[41]
+   PIN dout0[42]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  588.88 0.0 589.26 0.38 ;
+      END
+   END dout0[42]
+   PIN dout0[43]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  599.08 0.0 599.46 0.38 ;
+      END
+   END dout0[43]
+   PIN dout0[44]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  608.6 0.0 608.98 0.38 ;
+      END
+   END dout0[44]
+   PIN dout0[45]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  618.8 0.0 619.18 0.38 ;
+      END
+   END dout0[45]
+   PIN dout0[46]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  629.0 0.0 629.38 0.38 ;
+      END
+   END dout0[46]
+   PIN dout0[47]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  638.52 0.0 638.9 0.38 ;
+      END
+   END dout0[47]
+   PIN dout0[48]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  647.36 0.0 647.74 0.38 ;
+      END
+   END dout0[48]
+   PIN dout0[49]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  658.92 0.0 659.3 0.38 ;
+      END
+   END dout0[49]
+   PIN dout0[50]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  669.12 0.0 669.5 0.38 ;
+      END
+   END dout0[50]
+   PIN dout0[51]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  678.64 0.0 679.02 0.38 ;
+      END
+   END dout0[51]
+   PIN dout0[52]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  688.84 0.0 689.22 0.38 ;
+      END
+   END dout0[52]
+   PIN dout0[53]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  699.04 0.0 699.42 0.38 ;
+      END
+   END dout0[53]
+   PIN dout0[54]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  708.56 0.0 708.94 0.38 ;
+      END
+   END dout0[54]
+   PIN dout0[55]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  718.76 0.0 719.14 0.38 ;
+      END
+   END dout0[55]
+   PIN dout0[56]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  727.6 0.0 727.98 0.38 ;
+      END
+   END dout0[56]
+   PIN dout0[57]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  739.16 0.0 739.54 0.38 ;
+      END
+   END dout0[57]
+   PIN dout0[58]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met4 ;
+         RECT  748.68 0.0 749.06 0.38 ;
+      END
+   END dout0[58]
+   PIN dout0[59]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  822.12 74.12 822.5 74.5 ;
+      END
+   END dout0[59]
+   PIN dout0[60]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  822.12 80.24 822.5 80.62 ;
+      END
+   END dout0[60]
+   PIN dout0[61]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  822.12 79.56 822.5 79.94 ;
+      END
+   END dout0[61]
+   PIN dout0[62]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  822.12 74.8 822.5 75.18 ;
+      END
+   END dout0[62]
+   PIN dout0[63]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  822.12 75.48 822.5 75.86 ;
+      END
+   END dout0[63]
+   PIN dout0[64]
+      DIRECTION OUTPUT ;
+      PORT
+         LAYER met3 ;
+         RECT  822.12 76.84 822.5 77.22 ;
+      END
+   END dout0[64]
+   PIN vpwr
+      DIRECTION INOUT ;
+      USE POWER ; 
+      SHAPE ABUTMENT ; 
+      PORT
+         LAYER met4 ;
+         RECT  1.36 1.36 3.1 334.94 ;
+         LAYER met3 ;
+         RECT  1.36 1.36 821.14 3.1 ;
+         LAYER met4 ;
+         RECT  819.4 1.36 821.14 334.94 ;
+         LAYER met3 ;
+         RECT  1.36 333.2 821.14 334.94 ;
+      END
+   END vpwr
+   PIN vgnd
+      DIRECTION INOUT ;
+      USE GROUND ; 
+      SHAPE ABUTMENT ; 
+      PORT
+         LAYER met3 ;
+         RECT  4.76 4.76 817.74 6.5 ;
+         LAYER met3 ;
+         RECT  4.76 329.8 817.74 331.54 ;
+         LAYER met4 ;
+         RECT  816.0 4.76 817.74 331.54 ;
+         LAYER met4 ;
+         RECT  4.76 4.76 6.5 331.54 ;
+      END
+   END vgnd
+   OBS
+   LAYER  met1 ;
+      RECT  0.62 0.62 821.88 334.32 ;
+   LAYER  met2 ;
+      RECT  0.62 0.62 821.88 334.32 ;
+   LAYER  met3 ;
+      RECT  0.98 153.76 821.88 155.34 ;
+      RECT  0.62 155.34 0.98 162.6 ;
+      RECT  0.62 164.18 0.98 168.04 ;
+      RECT  0.62 169.62 0.98 176.88 ;
+      RECT  0.62 178.46 0.98 183.0 ;
+      RECT  0.62 184.58 0.98 190.48 ;
+      RECT  0.62 192.06 0.98 196.6 ;
+      RECT  0.62 60.82 0.98 153.76 ;
+      RECT  0.62 52.66 0.98 53.12 ;
+      RECT  0.62 54.7 0.98 59.24 ;
+      RECT  0.98 73.52 821.52 75.1 ;
+      RECT  0.98 75.1 821.52 153.76 ;
+      RECT  821.52 81.22 821.88 153.76 ;
+      RECT  821.52 77.82 821.88 78.96 ;
+      RECT  0.62 0.62 0.76 0.76 ;
+      RECT  0.62 0.76 0.76 3.7 ;
+      RECT  0.62 3.7 0.76 51.08 ;
+      RECT  0.76 0.62 0.98 0.76 ;
+      RECT  0.76 3.7 0.98 51.08 ;
+      RECT  0.98 0.62 821.52 0.76 ;
+      RECT  821.52 0.62 821.74 0.76 ;
+      RECT  821.52 3.7 821.74 73.52 ;
+      RECT  821.74 0.62 821.88 0.76 ;
+      RECT  821.74 0.76 821.88 3.7 ;
+      RECT  821.74 3.7 821.88 73.52 ;
+      RECT  821.74 155.34 821.88 332.6 ;
+      RECT  821.74 332.6 821.88 334.32 ;
+      RECT  0.62 198.18 0.76 332.6 ;
+      RECT  0.62 332.6 0.76 334.32 ;
+      RECT  0.76 198.18 0.98 332.6 ;
+      RECT  0.98 3.7 4.16 4.16 ;
+      RECT  0.98 4.16 4.16 7.1 ;
+      RECT  0.98 7.1 4.16 73.52 ;
+      RECT  4.16 3.7 818.34 4.16 ;
+      RECT  4.16 7.1 818.34 73.52 ;
+      RECT  818.34 3.7 821.52 4.16 ;
+      RECT  818.34 4.16 821.52 7.1 ;
+      RECT  818.34 7.1 821.52 73.52 ;
+      RECT  0.98 155.34 4.16 329.2 ;
+      RECT  0.98 329.2 4.16 332.14 ;
+      RECT  0.98 332.14 4.16 332.6 ;
+      RECT  4.16 155.34 818.34 329.2 ;
+      RECT  4.16 332.14 818.34 332.6 ;
+      RECT  818.34 155.34 821.74 329.2 ;
+      RECT  818.34 329.2 821.74 332.14 ;
+      RECT  818.34 332.14 821.74 332.6 ;
+   LAYER  met4 ;
+      RECT  163.28 0.98 164.86 334.32 ;
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+      RECT  182.54 0.62 187.08 0.98 ;
+      RECT  200.9 0.62 204.08 0.98 ;
+      RECT  212.46 0.62 215.64 0.98 ;
+      RECT  230.14 0.62 234.0 0.98 ;
+      RECT  241.02 0.62 245.56 0.98 ;
+      RECT  253.26 0.62 257.12 0.98 ;
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+      RECT  282.5 0.62 285.68 0.98 ;
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+      RECT  328.74 0.62 332.6 0.98 ;
+      RECT  340.98 0.62 344.16 0.98 ;
+      RECT  352.54 0.62 356.4 0.98 ;
+      RECT  363.42 0.62 367.96 0.98 ;
+      RECT  381.1 0.62 385.64 0.98 ;
+      RECT  392.66 0.62 397.2 0.98 ;
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+      RECT  421.9 0.62 425.76 0.98 ;
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+      RECT  451.14 0.62 455.0 0.98 ;
+      RECT  462.7 0.62 467.92 0.98 ;
+      RECT  480.38 0.62 484.24 0.98 ;
+      RECT  491.94 0.62 496.48 0.98 ;
+      RECT  510.3 0.62 514.16 0.98 ;
+      RECT  521.86 0.62 525.72 0.98 ;
+      RECT  533.42 0.62 537.28 0.98 ;
+      RECT  107.06 0.62 111.6 0.98 ;
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+      RECT  118.62 0.62 123.16 0.98 ;
+      RECT  124.74 0.62 129.28 0.98 ;
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+   END
+END    sram_1rw0r0w_64_512_sky130
+END    LIBRARY
diff --git a/verilog/rtl/sram_1rw0r0w_32_1024_sky130.v b/verilog/rtl/sram_1rw0r0w_32_1024_sky130.v
new file mode 100644
index 0000000..2b4de78
--- /dev/null
+++ b/verilog/rtl/sram_1rw0r0w_32_1024_sky130.v
@@ -0,0 +1,84 @@
+// OpenRAM SRAM model
+// Words: 1024
+// Word size: 32
+// Write size: 8
+
+module sram_1rw0r0w_32_1024_sky130(
+`ifdef USE_POWER_PINS
+    vccd1,
+    vssd1,
+`endif
+// Port 0: RW
+    clk0,csb0,web0,wmask0,addr0,din0,dout0
+  );
+
+  parameter NUM_WMASKS = 4 ;
+  parameter DATA_WIDTH = 32 ;
+  parameter ADDR_WIDTH = 10 ;
+  parameter RAM_DEPTH = 1 << ADDR_WIDTH;
+  // FIXME: This delay is arbitrary.
+  parameter DELAY = 3 ;
+  parameter VERBOSE = 1 ; //Set to 0 to only display warnings
+  parameter T_HOLD = 1 ; //Delay to hold dout value after posedge. Value is arbitrary
+
+`ifdef USE_POWER_PINS
+    inout vccd1
+    inout vssd1;
+`endif
+  input  clk0; // clock
+  input   csb0; // active low chip select
+  input  web0; // active low write control
+  input [NUM_WMASKS-1:0]   wmask0; // write mask
+  input [ADDR_WIDTH-1:0]  addr0;
+  input [DATA_WIDTH-1:0]  din0;
+  output [DATA_WIDTH-1:0] dout0;
+
+  reg  csb0_reg;
+  reg  web0_reg;
+  reg [NUM_WMASKS-1:0]   wmask0_reg;
+  reg [ADDR_WIDTH-1:0]  addr0_reg;
+  reg [DATA_WIDTH-1:0]  din0_reg;
+  reg [DATA_WIDTH-1:0]  dout0;
+
+  // All inputs are registers
+  always @(posedge clk0)
+  begin
+    csb0_reg = csb0;
+    web0_reg = web0;
+    wmask0_reg = wmask0;
+    addr0_reg = addr0;
+    din0_reg = din0;
+    #(T_HOLD) dout0 = 32'bx;
+    if ( !csb0_reg && web0_reg && VERBOSE ) 
+      $display($time," Reading %m addr0=%b dout0=%b",addr0_reg,mem[addr0_reg]);
+    if ( !csb0_reg && !web0_reg && VERBOSE )
+      $display($time," Writing %m addr0=%b din0=%b wmask0=%b",addr0_reg,din0_reg,wmask0_reg);
+  end
+
+reg [DATA_WIDTH-1:0]    mem [0:RAM_DEPTH-1];
+
+  // Memory Write Block Port 0
+  // Write Operation : When web0 = 0, csb0 = 0
+  always @ (negedge clk0)
+  begin : MEM_WRITE0
+    if ( !csb0_reg && !web0_reg ) begin
+        if (wmask0_reg[0])
+                mem[addr0_reg][7:0] = din0_reg[7:0];
+        if (wmask0_reg[1])
+                mem[addr0_reg][15:8] = din0_reg[15:8];
+        if (wmask0_reg[2])
+                mem[addr0_reg][23:16] = din0_reg[23:16];
+        if (wmask0_reg[3])
+                mem[addr0_reg][31:24] = din0_reg[31:24];
+    end
+  end
+
+  // Memory Read Block Port 0
+  // Read Operation : When web0 = 1, csb0 = 0
+  always @ (negedge clk0)
+  begin : MEM_READ0
+    if (!csb0_reg && web0_reg)
+       dout0 <= #(DELAY) mem[addr0_reg];
+  end
+
+endmodule
diff --git a/verilog/rtl/sram_1rw0r0w_32_256_sky130.v b/verilog/rtl/sram_1rw0r0w_32_256_sky130.v
new file mode 100644
index 0000000..8af0030
--- /dev/null
+++ b/verilog/rtl/sram_1rw0r0w_32_256_sky130.v
@@ -0,0 +1,84 @@
+// OpenRAM SRAM model
+// Words: 256
+// Word size: 32
+// Write size: 8
+
+module sram_1rw0r0w_32_256_sky130(
+`ifdef USE_POWER_PINS
+    vccd1,
+    vssd1,
+`endif
+// Port 0: RW
+    clk0,csb0,web0,wmask0,addr0,din0,dout0
+  );
+
+  parameter NUM_WMASKS = 4 ;
+  parameter DATA_WIDTH = 32 ;
+  parameter ADDR_WIDTH = 8 ;
+  parameter RAM_DEPTH = 1 << ADDR_WIDTH;
+  // FIXME: This delay is arbitrary.
+  parameter DELAY = 3 ;
+  parameter VERBOSE = 1 ; //Set to 0 to only display warnings
+  parameter T_HOLD = 1 ; //Delay to hold dout value after posedge. Value is arbitrary
+
+`ifdef USE_POWER_PINS
+    inout vccd1;
+    inout vssd1;
+`endif
+  input  clk0; // clock
+  input   csb0; // active low chip select
+  input  web0; // active low write control
+  input [NUM_WMASKS-1:0]   wmask0; // write mask
+  input [ADDR_WIDTH-1:0]  addr0;
+  input [DATA_WIDTH-1:0]  din0;
+  output [DATA_WIDTH-1:0] dout0;
+
+  reg  csb0_reg;
+  reg  web0_reg;
+  reg [NUM_WMASKS-1:0]   wmask0_reg;
+  reg [ADDR_WIDTH-1:0]  addr0_reg;
+  reg [DATA_WIDTH-1:0]  din0_reg;
+  reg [DATA_WIDTH-1:0]  dout0;
+
+  // All inputs are registers
+  always @(posedge clk0)
+  begin
+    csb0_reg = csb0;
+    web0_reg = web0;
+    wmask0_reg = wmask0;
+    addr0_reg = addr0;
+    din0_reg = din0;
+    #(T_HOLD) dout0 = 32'bx;
+    if ( !csb0_reg && web0_reg && VERBOSE ) 
+      $display($time," Reading %m addr0=%b dout0=%b",addr0_reg,mem[addr0_reg]);
+    if ( !csb0_reg && !web0_reg && VERBOSE )
+      $display($time," Writing %m addr0=%b din0=%b wmask0=%b",addr0_reg,din0_reg,wmask0_reg);
+  end
+
+reg [DATA_WIDTH-1:0]    mem [0:RAM_DEPTH-1];
+
+  // Memory Write Block Port 0
+  // Write Operation : When web0 = 0, csb0 = 0
+  always @ (negedge clk0)
+  begin : MEM_WRITE0
+    if ( !csb0_reg && !web0_reg ) begin
+        if (wmask0_reg[0])
+                mem[addr0_reg][7:0] = din0_reg[7:0];
+        if (wmask0_reg[1])
+                mem[addr0_reg][15:8] = din0_reg[15:8];
+        if (wmask0_reg[2])
+                mem[addr0_reg][23:16] = din0_reg[23:16];
+        if (wmask0_reg[3])
+                mem[addr0_reg][31:24] = din0_reg[31:24];
+    end
+  end
+
+  // Memory Read Block Port 0
+  // Read Operation : When web0 = 1, csb0 = 0
+  always @ (negedge clk0)
+  begin : MEM_READ0
+    if (!csb0_reg && web0_reg)
+       dout0 <= #(DELAY) mem[addr0_reg];
+  end
+
+endmodule
diff --git a/verilog/rtl/sram_1rw0r0w_32_512_sky130.v b/verilog/rtl/sram_1rw0r0w_32_512_sky130.v
new file mode 100644
index 0000000..a406b4f
--- /dev/null
+++ b/verilog/rtl/sram_1rw0r0w_32_512_sky130.v
@@ -0,0 +1,84 @@
+// OpenRAM SRAM model
+// Words: 512
+// Word size: 32
+// Write size: 8
+
+module sram_1rw0r0w_32_512_sky130(
+`ifdef USE_POWER_PINS
+    vccd1,
+    vssd1,
+`endif
+// Port 0: RW
+    clk0,csb0,web0,wmask0,addr0,din0,dout0
+  );
+
+  parameter NUM_WMASKS = 4 ;
+  parameter DATA_WIDTH = 32 ;
+  parameter ADDR_WIDTH = 9 ;
+  parameter RAM_DEPTH = 1 << ADDR_WIDTH;
+  // FIXME: This delay is arbitrary.
+  parameter DELAY = 3 ;
+  parameter VERBOSE = 1 ; //Set to 0 to only display warnings
+  parameter T_HOLD = 1 ; //Delay to hold dout value after posedge. Value is arbitrary
+
+`ifdef USE_POWER_PINS
+    inout vccd1;
+    inout vssd1;
+`endif
+  input  clk0; // clock
+  input   csb0; // active low chip select
+  input  web0; // active low write control
+  input [NUM_WMASKS-1:0]   wmask0; // write mask
+  input [ADDR_WIDTH-1:0]  addr0;
+  input [DATA_WIDTH-1:0]  din0;
+  output [DATA_WIDTH-1:0] dout0;
+
+  reg  csb0_reg;
+  reg  web0_reg;
+  reg [NUM_WMASKS-1:0]   wmask0_reg;
+  reg [ADDR_WIDTH-1:0]  addr0_reg;
+  reg [DATA_WIDTH-1:0]  din0_reg;
+  reg [DATA_WIDTH-1:0]  dout0;
+
+  // All inputs are registers
+  always @(posedge clk0)
+  begin
+    csb0_reg = csb0;
+    web0_reg = web0;
+    wmask0_reg = wmask0;
+    addr0_reg = addr0;
+    din0_reg = din0;
+    #(T_HOLD) dout0 = 32'bx;
+    if ( !csb0_reg && web0_reg && VERBOSE ) 
+      $display($time," Reading %m addr0=%b dout0=%b",addr0_reg,mem[addr0_reg]);
+    if ( !csb0_reg && !web0_reg && VERBOSE )
+      $display($time," Writing %m addr0=%b din0=%b wmask0=%b",addr0_reg,din0_reg,wmask0_reg);
+  end
+
+reg [DATA_WIDTH-1:0]    mem [0:RAM_DEPTH-1];
+
+  // Memory Write Block Port 0
+  // Write Operation : When web0 = 0, csb0 = 0
+  always @ (negedge clk0)
+  begin : MEM_WRITE0
+    if ( !csb0_reg && !web0_reg ) begin
+        if (wmask0_reg[0])
+                mem[addr0_reg][7:0] = din0_reg[7:0];
+        if (wmask0_reg[1])
+                mem[addr0_reg][15:8] = din0_reg[15:8];
+        if (wmask0_reg[2])
+                mem[addr0_reg][23:16] = din0_reg[23:16];
+        if (wmask0_reg[3])
+                mem[addr0_reg][31:24] = din0_reg[31:24];
+    end
+  end
+
+  // Memory Read Block Port 0
+  // Read Operation : When web0 = 1, csb0 = 0
+  always @ (negedge clk0)
+  begin : MEM_READ0
+    if (!csb0_reg && web0_reg)
+       dout0 <= #(DELAY) mem[addr0_reg];
+  end
+
+endmodule
diff --git a/verilog/rtl/sram_1rw0r0w_64_512_sky130.v b/verilog/rtl/sram_1rw0r0w_64_512_sky130.v
new file mode 100644
index 0000000..1fabb08
--- /dev/null
+++ b/verilog/rtl/sram_1rw0r0w_64_512_sky130.v
@@ -0,0 +1,92 @@
+// OpenRAM SRAM model
+// Words: 512
+// Word size: 64
+// Write size: 8
+
+module sram_1rw0r0w_64_512_sky130(
+`ifdef USE_POWER_PINS
+    vccd1,
+    vssd1,
+`endif
+// Port 0: RW
+    clk0,csb0,web0,wmask0,addr0,din0,dout0
+  );
+
+  parameter NUM_WMASKS = 8 ;
+  parameter DATA_WIDTH = 64 ;
+  parameter ADDR_WIDTH = 9 ;
+  parameter RAM_DEPTH = 1 << ADDR_WIDTH;
+  // FIXME: This delay is arbitrary.
+  parameter DELAY = 3 ;
+  parameter VERBOSE = 1 ; //Set to 0 to only display warnings
+  parameter T_HOLD = 1 ; //Delay to hold dout value after posedge. Value is arbitrary
+
+`ifdef USE_POWER_PINS
+    inout vccd1;
+    inout vssd1;
+`endif
+  input  clk0; // clock
+  input   csb0; // active low chip select
+  input  web0; // active low write control
+  input [NUM_WMASKS-1:0]   wmask0; // write mask
+  input [ADDR_WIDTH-1:0]  addr0;
+  input [DATA_WIDTH-1:0]  din0;
+  output [DATA_WIDTH-1:0] dout0;
+
+  reg  csb0_reg;
+  reg  web0_reg;
+  reg [NUM_WMASKS-1:0]   wmask0_reg;
+  reg [ADDR_WIDTH-1:0]  addr0_reg;
+  reg [DATA_WIDTH-1:0]  din0_reg;
+  reg [DATA_WIDTH-1:0]  dout0;
+
+  // All inputs are registers
+  always @(posedge clk0)
+  begin
+    csb0_reg = csb0;
+    web0_reg = web0;
+    wmask0_reg = wmask0;
+    addr0_reg = addr0;
+    din0_reg = din0;
+    #(T_HOLD) dout0 = 64'bx;
+    if ( !csb0_reg && web0_reg && VERBOSE ) 
+      $display($time," Reading %m addr0=%b dout0=%b",addr0_reg,mem[addr0_reg]);
+    if ( !csb0_reg && !web0_reg && VERBOSE )
+      $display($time," Writing %m addr0=%b din0=%b wmask0=%b",addr0_reg,din0_reg,wmask0_reg);
+  end
+
+reg [DATA_WIDTH-1:0]    mem [0:RAM_DEPTH-1];
+
+  // Memory Write Block Port 0
+  // Write Operation : When web0 = 0, csb0 = 0
+  always @ (negedge clk0)
+  begin : MEM_WRITE0
+    if ( !csb0_reg && !web0_reg ) begin
+        if (wmask0_reg[0])
+                mem[addr0_reg][7:0] = din0_reg[7:0];
+        if (wmask0_reg[1])
+                mem[addr0_reg][15:8] = din0_reg[15:8];
+        if (wmask0_reg[2])
+                mem[addr0_reg][23:16] = din0_reg[23:16];
+        if (wmask0_reg[3])
+                mem[addr0_reg][31:24] = din0_reg[31:24];
+        if (wmask0_reg[4])
+                mem[addr0_reg][39:32] = din0_reg[39:32];
+        if (wmask0_reg[5])
+                mem[addr0_reg][47:40] = din0_reg[47:40];
+        if (wmask0_reg[6])
+                mem[addr0_reg][55:48] = din0_reg[55:48];
+        if (wmask0_reg[7])
+                mem[addr0_reg][63:56] = din0_reg[63:56];
+    end
+  end
+
+  // Memory Read Block Port 0
+  // Read Operation : When web0 = 1, csb0 = 0
+  always @ (negedge clk0)
+  begin : MEM_READ0
+    if (!csb0_reg && web0_reg)
+       dout0 <= #(DELAY) mem[addr0_reg];
+  end
+
+endmodule