diff --git a/compiler/modules/dff_buf.py b/compiler/modules/dff_buf.py index d17e53fa..46adca7c 100644 --- a/compiler/modules/dff_buf.py +++ b/compiler/modules/dff_buf.py @@ -114,9 +114,9 @@ class dff_buf(design.design): z1_pin = self.inv1_inst.get_pin("Z") a2_pin = self.inv2_inst.get_pin("A") mid_x_offset = 0.5*(z1_pin.cx() + a2_pin.cx()) - mid1 = vector(mid_x_offset, z1_pin.cy()) + self.mid_qb_pos = vector(mid_x_offset, z1_pin.cy()) mid2 = vector(mid_x_offset, a2_pin.cy()) - self.add_path("metal1", [z1_pin.center(), mid1, mid2, a2_pin.center()]) + self.add_path("metal1", [z1_pin.center(), self.mid_qb_pos, mid2, a2_pin.center()]) def add_layout_pins(self): @@ -151,22 +151,22 @@ class dff_buf(design.design): height=din_pin.height()) dout_pin = self.inv2_inst.get_pin("Z") - dout_pos = dout_pin.center() - vector(0,2*self.m2_pitch) + mid_pos = dout_pin.center() + vector(self.m1_pitch,0) + q_pos = mid_pos - vector(0,self.m2_pitch) self.add_layout_pin_rect_center(text="Q", layer="metal2", - offset=dout_pos) - self.add_path("metal1", [dout_pin.center(), dout_pos]) + offset=q_pos) + self.add_path("metal1", [dout_pin.center(), mid_pos, q_pos]) self.add_via_center(layers=("metal1","via1","metal2"), - offset=dout_pin.center()) + offset=q_pos) - dout_pin = self.inv1_inst.get_pin("Z") - dout_pos = dout_pin.center() + vector(0,2*self.m2_pitch) + qb_pos = self.mid_qb_pos + vector(0,self.m2_pitch) self.add_layout_pin_rect_center(text="Qb", layer="metal2", - offset=dout_pos) - self.add_path("metal1", [dout_pin.center(), dout_pos]) + offset=qb_pos) + self.add_path("metal1", [self.mid_qb_pos, qb_pos]) self.add_via_center(layers=("metal1","via1","metal2"), - offset=dout_pin.center()) + offset=qb_pos)