luke/OpenRAM
1
0
Fork 0
mirror of https://github.com/VLSIDA/OpenRAM.git synced 2026-08-30 01:48:33 +02:00
Code Issues Packages Projects Releases Wiki Activity

Rework replica_bitcell_array supplies

Browse Source 
Uses layer and direction preferences in tech file.
Places straps on left/right or top/bottom.
This commit is contained in:
mrg
2022-04-19 08:50:11 -07:00
parent 5e546ee974
commit 64f2f90664
11 changed files with 210 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/modules/dff_buf_array.py
+9
View File
@@ -145,6 +145,15 @@ class dff_buf_array(design.design):
return dout_bar_name
def route_supplies(self):
for row in range(self.rows):
vdd0_pin=self.dff_insts[row, 0].get_pin("vdd")
vddn_pin=self.dff_insts[row, self.columns - 1].get_pin("vdd")
self.add_path(vdd0_pin.layer, [vdd0_pin.lc(), vddn_pin.rc()], width=vdd0_pin.height())
gnd0_pin=self.dff_insts[row, 0].get_pin("gnd")
gndn_pin=self.dff_insts[row, self.columns - 1].get_pin("gnd")
self.add_path(gnd0_pin.layer, [gnd0_pin.lc(), gndn_pin.rc()], width=gnd0_pin.height())
if OPTS.experimental_power and self.rows > 1:
# Vertical straps on ends if multiple rows
left_dff_insts = [self.dff_insts[x, 0] for x in range(self.rows)]