Move sense amp to tri gate routing to M3... not ideal.

compiler/modules/bank.py

@@ -106,8 +106,6 @@ class bank(design.design):
             self.route_bank_select()            
         
         self.route_vdd_gnd()
-        #self.route_vdd_supply()
-        #self.route_gnd_supply()
         
     def add_modules(self):
         """ Add modules. The order should not matter! """
@@ -619,34 +617,14 @@ class bank(design.design):
             # Connection of data_out of sense amp to data_in 
             tri_gate_in = self.tri_gate_array_inst.get_pin("in[{}]".format(i)).lc()
             sa_data_out = self.sense_amp_array_inst.get_pin("data[{}]".format(i)).bc()
-            
-            self.add_path("metal2",[sa_data_out,tri_gate_in])
-            # # if we need a bend or not
-            # if tri_gate_in.x-sa_data_out.x>self.m2_pitch:
-            #     # We'll connect to the bottom of the SA pin
-            #     bendX = sa_data_out.x
-            # else:
-            #     # We'll connect to the left of the SA pin
-            #     sa_data_out = self.sense_amp_array_inst.get_pin("data[{}]".format(i)).lc()
-            #     bendX = tri_gate_in.x - 3*self.m3_width
 
-            # bendY = tri_gate_in.y - 2*self.m2_width
-
-            # # Connection point of M2 and M3 paths, below the tri gate and
-            # # to the left of the tri gate input
-            # bend = vector(bendX, bendY)
-
-            # # Connect an M2 path to the gate
-            # mid3 = [tri_gate_in.x, bendY] # guarantee down then left
-            # self.add_path("metal2", [bend, mid3, tri_gate_in])
-
-            # # connect up then right to sense amp
-            # mid1 = vector(bendX,sa_data_out.y)
-            # self.add_path("metal3", [bend, mid1, sa_data_out])
-
-
-            # offset = bend - vector([0.5*drc["minwidth_metal3"]] * 2)
-            # self.add_via(("metal2", "via2", "metal3"),offset)
+            self.add_via_center(layers=("metal2", "via2", "metal3"),
+                                offset=tri_gate_in,
+                                rotate=90)
+            self.add_via_center(layers=("metal2", "via2", "metal3"),
+                                offset=sa_data_out,
+                                rotate=90)
+            self.add_path("metal3",[sa_data_out,tri_gate_in])
 
     def route_tri_gate_out(self):
         """ Metal 3 routing of tri_gate output data """

technology/scn3me_subm/mag_lib/tri_gate.mag

@@ -1,6 +1,6 @@
 magic
 tech scmos
-timestamp 1524065602
+timestamp 1524499924
 << nwell >>
 rect -2 45 38 73
 << pwell >>
@@ -84,18 +84,8 @@ rect 15 46 19 50
 rect 25 34 29 38
 rect 24 19 28 23
 << metal2 >>
-rect 13 46 15 50
 rect 15 34 25 38
-rect 15 9 19 34
-rect 19 5 20 9
-rect 15 0 19 5
-<< m3contact >>
-rect 15 5 19 9
-<< metal3 >>
-rect 14 9 20 10
-rect 14 5 15 9
-rect 19 5 20 9
-rect 14 4 20 5
+rect 15 0 19 34
 << m3p >>
 rect 0 0 34 73
 << labels >>

technology/scn3me_subm/mag_lib/write_driver.mag

@@ -1,6 +1,6 @@
 magic
 tech scmos
-timestamp 1523920689
+timestamp 1524499497
 << nwell >>
 rect -3 101 37 138
 rect -3 0 37 51
@@ -167,6 +167,7 @@ rect 32 181 33 185
 rect 13 169 16 177
 rect 13 165 15 169
 rect 4 148 8 163
+rect 12 157 15 161
 rect 12 156 16 157
 rect 12 148 16 152
 rect 4 132 8 144
@@ -197,7 +198,7 @@ rect 11 24 36 28
 << m2contact >>
 rect 10 192 14 196
 rect 20 189 24 193
-rect 11 157 15 161
+rect 23 153 27 157
 rect 16 118 20 122
 rect 26 86 30 90
 rect 19 64 23 68
@@ -217,7 +218,7 @@ rlabel metal2 12 200 12 200 5 bl
 rlabel metal2 22 200 22 200 5 br
 rlabel m2contact 21 66 21 66 1 gnd
 rlabel m2contact 28 88 28 88 1 gnd
-rlabel m2contact 13 159 13 159 1 gnd
 rlabel m2contact 21 33 21 33 1 vdd
 rlabel m2contact 18 120 18 120 1 vdd
+rlabel m2contact 25 155 25 155 1 gnd
 << end >>