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add complete series of pins onto fake SRAM
authorLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Fri, 30 Apr 2021 10:51:11 +0000 (10:51 +0000)
committerLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Fri, 30 Apr 2021 10:51:11 +0000 (10:51 +0000)
experiments9/LibreSOCMem.py patch | blob | history

diff --git a/experiments9/LibreSOCMem.py b/experiments9/LibreSOCMem.py
index 82065061385438f6bfc053a924c5d7b3cf00eecb..eaf9fe23212534512b20240d1f8e42c9b7e4af66 100644 (file)
--- a/experiments9/LibreSOCMem.py
+++ b/experiments9/LibreSOCMem.py
@@ -22,7 +22,7 @@ def createRL(tech, net, layer, coords):
     Rectilinear.create(net, tech.getLayer(layer), coords)
 
 def _routing():
-    return
+    return # all commented-out for now
     af = CRL.AllianceFramework.get()
     db = DataBase.getDB()
     tech = db.getTechnology()
@@ -211,14 +211,11 @@ def _load():
     cell = Cell.create(lib, 'real_sram')
     with UpdateSession():
         cell.setAbutmentBox(Box(
-            u(0.0), u(0.0), u(16.0), u(40.0),
+            u(0.0), u(0.0), u(110.0), u(100.0),
         ))
         nets = {
             '*': Net.create(cell, '*'),
             'clk': Net.create(cell, 'clk'),
-            'i0': Net.create(cell, 'i0'),
-            'i1': Net.create(cell, 'i1'),
-            'q': Net.create(cell, 'q'),
             'vdd': Net.create(cell, 'vdd'),
             'vss': Net.create(cell, 'vss'),
         }
@@ -231,6 +228,28 @@ def _load():
                 cname = "%s(%d)" % (name, i)
                 nets[cname] = Net.create(cell, cname)
 
+        # create series of stepped pins
+        x = 0.135*20
+        wid = 0.135 / 2
+        step = wid*10
+        for name, qty in (('a', 8),
+                          ('d', 63),
+                          ('q', 63),
+                          ('we', 8),
+                      ):
+            for i in range(qty):
+                cname = "%s(%d)" % (name, i)
+                net = nets[cname]
+                pin = Vertical.create(
+                    net, tech.getLayer('metal1'),
+                    u(x), u(wid), u(0), u(3.455),
+                )
+                x += step
+                net.setExternal(True)
+                NetExternalComponents.setExternal(pin)
+            # separate the pin groups
+            x += step * 3
+
         net = nets['*']
         createRL(
             tech, net, 'active',
@@ -371,30 +390,6 @@ def _load():
             tech, net, 'active',
             ((0.305,1.38),(0.495,1.38),(0.495,0.62),(0.1625,0.62),(0.1625,1.38),(0.305,1.38)),
         )
-        net = nets['i0']
-        createRL(
-            tech, net, 'poly',
-            ((0.425,1.385),(0.425,0.565),(0.375,0.565),(0.375,1.9625),(0.2025,1.9625),(0.2025,2.0375),(0.375,2.0375),(0.375,3.455),(0.425,3.455),(0.425,1.385)),
-        )
-        createRL(
-            tech, net, 'metal1',
-            ((0.2325,1.9325),(0.2325,1.4125),(0.1675,1.4125),(0.1675,3.455),(0.2325,3.455),(0.2325,2.0675),(0.2725,2.0675),(0.2725,1.9325),(0.2325,1.9325)),
-        )
-        if False:
-            Vertical.create(
-                net, tech.getLayer('metal1.pin'),
-                u(0.2), u(0.065), u(1.4125), u(3.455),
-            )
-        pin = Vertical.create(
-            net, tech.getLayer('metal1'),
-            u(0.2), u(0.065), u(1.4125), u(3.455),
-        )
-        net.setExternal(True)
-        NetExternalComponents.setExternal(pin)
-        createRL(
-            tech, net, 'contact',
-            ((0.2075,1.9675),(0.2725,1.9675),(0.2725,2.0325),(0.2075,2.0325),(0.2075,1.9675)),
-        )
         net = nets['*']
         createRL(
             tech, net, 'active',
@@ -405,7 +400,7 @@ def _load():
             tech, net, 'active',
             ((0.705,1.0),(1.0375,1.0),(1.0375,0.24),(0.555,0.24),(0.555,1.0),(0.705,1.0)),
         )
-        net = nets['i1']
+        net = nets['clk']
         createRL(
             tech, net, 'poly',
             ((0.775,0.185),(0.775,1.2375),(0.9975,1.2375),(0.9975,1.1625),(0.825,1.1625),(0.825,0.185),(0.775,0.185)),
@@ -421,11 +416,11 @@ def _load():
         if False:
             Vertical.create(
                 net, tech.getLayer('metal1.pin'),
-                u(1.0), u(0.065), u(0.545), u(3.455),
+                u(1.0), u(0.065), u(0), u(3.455),
             )
         pin = Vertical.create(
             net, tech.getLayer('metal1'),
-            u(1.0), u(0.065), u(0.545), u(3.455),
+            u(1.0), u(0.065), u(0), u(3.455),
         )
         net.setExternal(True)
         NetExternalComponents.setExternal(pin)
@@ -442,78 +437,6 @@ def _load():
             tech, net, 'active',
             ((0.775,2.6),(0.705,2.6),(0.705,3.4),(0.955,3.4),(0.955,3.7825),(1.045,3.7825),(1.045,2.6),(0.775,2.6)),
         )
-        net = nets['q']
-        createRL(
-            tech, net, 'metal1',
-            ((1.4325,2.185),(1.4325,0.545),(1.3675,0.545),(1.3675,3.455),(1.4325,3.455),(1.4325,2.185)),
-        )
-        if False:
-            Vertical.create(
-                net, tech.getLayer('metal1.pin'),
-                u(1.4), u(0.065), u(0.545), u(3.455),
-            )
-        pin = Vertical.create(
-            net, tech.getLayer('metal1'),
-            u(1.4), u(0.065), u(0.545), u(3.455),
-        )
-        net.setExternal(True)
-        NetExternalComponents.setExternal(pin)
-        createRL(
-            tech, net, 'active',
-            ((1.3625,2.215),(1.4375,2.215),(1.4375,3.41),(1.3625,3.41),(1.3625,2.215)),
-        )
-        createRL(
-            tech, net, 'active',
-            ((1.3625,0.61),(1.4375,0.61),(1.4375,0.965),(1.3625,0.965),(1.3625,0.61)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,2.22),(1.4325,2.22),(1.4325,2.285),(1.3675,2.285),(1.3675,2.22)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,2.36),(1.4325,2.36),(1.4325,2.425),(1.3675,2.425),(1.3675,2.36)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,2.5),(1.4325,2.5),(1.4325,2.565),(1.3675,2.565),(1.3675,2.5)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,2.64),(1.4325,2.64),(1.4325,2.705),(1.3675,2.705),(1.3675,2.64)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,2.78),(1.4325,2.78),(1.4325,2.845),(1.3675,2.845),(1.3675,2.78)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,2.92),(1.4325,2.92),(1.4325,2.985),(1.3675,2.985),(1.3675,2.92)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,3.06),(1.4325,3.06),(1.4325,3.125),(1.3675,3.125),(1.3675,3.06)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,3.2),(1.4325,3.2),(1.4325,3.265),(1.3675,3.265),(1.3675,3.2)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,3.34),(1.4325,3.34),(1.4325,3.405),(1.3675,3.405),(1.3675,3.34)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,0.615),(1.4325,0.615),(1.4325,0.68),(1.3675,0.68),(1.3675,0.615)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,0.755),(1.4325,0.755),(1.4325,0.82),(1.3675,0.82),(1.3675,0.755)),
-        )
-        createRL(
-            tech, net, 'contact',
-            ((1.3675,0.895),(1.4325,0.895),(1.4325,0.96),(1.3675,0.96),(1.3675,0.895)),
-        )
 
 
     af.wrapLibrary(lib, 0)