-
Notifications
You must be signed in to change notification settings - Fork 0
/
NOR2.py
827 lines (744 loc) · 42.3 KB
/
NOR2.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
# $autorun
# -*- coding: utf-8 -*-
"""
@author: Ashkan
Email:[email protected]
"""
import pya
class NOR2_v2(pya.PCellDeclarationHelper):
"""
The PCell declaration for the NOR2.
"""
def __init__(self):
# Important: initialize the super class
super(NOR2_v2, self).__init__()
# declare the parameters
self.param("n_d", self.TypeInt, "Number of Drive Fingers", default = 1)
self.param("l_d", self.TypeDouble, "Drive Length", default = 2.5)
self.param("l_l", self.TypeDouble, "Load Length", default = 2.5)
self.param("r", self.TypeDouble, "Ratio", default = 1)
self.param("o", self.TypeDouble, "Gate Overlap", default = 5)
self.param("fw", self.TypeDouble, "Finger Width", default = 3.5)
self.param("s", self.TypeDouble, "Finger Separation", default = 2.5)
self.param("via", self.TypeDouble, "via size", default = 2.5)
self.param("rail", self.TypeDouble, "rail to finger width ratio", default = 3)
self.param("PDN_S", self.TypeDouble, "Extra distance for PDN", default = 0)
self.param("pad", self.TypeBoolean, "Pads", default = False)
self.param("name", self.TypeString, "name", default = "1_001")
def display_text_impl(self):
# Provide a descriptive text for the cell
return "STD Cell NOR2:(ratio=" + str((self.r)) + ",Width="+ "90*"+str((self.n_d)) + ")"
def can_create_from_shape_impl(self):
# Implement the "Create PCell from shape" protocol: we can use any shape which
# has a finite bounding box
return self.shape.is_box() or self.shape.is_polygon() or self.shape.is_path()
def create_pad(self, x, y):
# This is the main part of the implementation: create the layout
# fetch the parameters
w_dbu = 175 / self.layout.dbu
l_dbu = 175 / self.layout.dbu
w_via = 0.0857142857142857 * w_dbu
l_via = 0.0857142857142857 * l_dbu
w_via_cir = 5 / self.layout.dbu
l_via_cir = 5 / self.layout.dbu
# Other design rules and other "fixed" variables
posx = x / self.layout.dbu
posy = y / self.layout.dbu
nr = 128 # Number of points in a circle
# Define layer names
# Assign layers using list comprehension
layers = [self.layout.layer(i, 0) for i in [0, 1, 2, 3, 4, 6, 7, 9]]
# Unpack layers into variables
txt, bm, bl, sd, gm, pv, gc, pv2 = layers
# create the shape
# back-gate layer
full_region = pya.Box(posx - w_dbu / 2, posy - l_dbu / 2, posx + w_dbu / 2, posy + l_dbu / 2)
# print region
self.cell.shapes(bm).insert(full_region)
# gate connection layer
self.cell.shapes(gc).insert(full_region)
# inner via
square_region = pya.Region(
pya.Box(posx - w_dbu * 0.73 / 2, posy - l_dbu * 0.73 / 2, posx + w_dbu * 0.73 / 2, posy + l_dbu * 0.73 / 2))
# print region
self.cell.shapes(pv).insert(square_region)
# sqaure sd layer
b_region = pya.Region(pya.Box(posx - w_dbu / 2, posy - l_dbu / 2, posx + w_dbu / 2, posy - l_dbu / 2 + (l_via)))
r_region = pya.Region(pya.Box((posx + w_dbu / 2) - w_via, posy - l_dbu / 2, posx + w_dbu / 2, posy + l_dbu / 2))
t_region = pya.Region(pya.Box(posx - w_dbu / 2, posy + l_dbu / 2 - (l_via), posx + w_dbu / 2, posy + l_dbu / 2))
l_region = pya.Region(pya.Box((posx - w_dbu / 2) + w_via, posy - l_dbu / 2, posx - w_dbu / 2, posy + l_dbu / 2))
tot_region = b_region + r_region + t_region + l_region
tot_region.round_corners(0, 0, nr)
# print region
self.cell.shapes(sd).insert(tot_region)
# Round via
w_mar = int(((175 + 20) / 2) / 20)
l_mar = int(175 / 2 / 20)
for i in range(w_mar):
i = i / self.layout.dbu
# bottom line
# square region
# positive loop
square_region = pya.Region(pya.Box(posx - 7.5 / self.layout.dbu + 20 * i, posy - l_dbu / 2,\
posx + 7.5 / self.layout.dbu + 20 * i, posy - l_dbu / 2 + ((l_via - (\
15 / self.layout.dbu)) / 2) + 15 / self.layout.dbu))
# print region
self.cell.shapes(gc).insert(square_region)
# negative loop
square_region = pya.Region(pya.Box(posx - 7.5 / self.layout.dbu - 20 * i, posy - l_dbu / 2,\
posx + 7.5 / self.layout.dbu - 20 * i, posy - l_dbu / 2 + ((l_via - (\
15 / self.layout.dbu)) / 2) + 15 / self.layout.dbu))
# print region
self.cell.shapes(gc).insert(square_region)
# circle
# positive loop
circle_region = pya.Region(pya.Box(posx - 2.5 / self.layout.dbu + 20 * i, posy - l_dbu / 2 + (\
(l_via - (15 / self.layout.dbu)) / 2) + 5 / self.layout.dbu,\
posx + 2.5 / self.layout.dbu + 20 * i, posy - l_dbu / 2 + ((l_via - (\
15 / self.layout.dbu)) / 2) + 10 / self.layout.dbu)).round_corners(0, w_via_cir / 2, nr)
# print region
self.cell.shapes(pv).insert(circle_region)
# negative loop
circle_region = pya.Region(pya.Box(posx - 2.5 / self.layout.dbu - 20 * i, posy - l_dbu / 2 + (\
(l_via - (15 / self.layout.dbu)) / 2) + 5 / self.layout.dbu,\
posx + 2.5 / self.layout.dbu - 20 * i, posy - l_dbu / 2 + ((l_via - (\
15 / self.layout.dbu)) / 2) + 10 / self.layout.dbu)).round_corners(0, w_via_cir / 2, nr)
# print region
self.cell.shapes(pv).insert(circle_region)
# top line
# square region
# positive loop
square_region = pya.Region(pya.Box(posx - 7.5 / self.layout.dbu + 20 * i, posy + l_dbu / 2,\
posx + 7.5 / self.layout.dbu + 20 * i, posy + l_dbu / 2 - ((l_via - (\
15 / self.layout.dbu)) / 2) - 15 / self.layout.dbu))
# print region
self.cell.shapes(gc).insert(square_region)
# negative loop
square_region = pya.Region(pya.Box(posx - 7.5 / self.layout.dbu - 20 * i,\
posy + l_dbu / 2, posx + 7.5 / self.layout.dbu - 20 * i,\
posy + l_dbu / 2 - ((l_via - (15 / self.layout.dbu)) / 2) - 15 / self.layout.dbu))
# print region
self.cell.shapes(gc).insert(square_region)
# circle region
# positive loop
circle_region = pya.Region(pya.Box(posx - 2.5 / self.layout.dbu + 20 * i, posy + l_dbu / 2 - (\
(l_via - (15 / self.layout.dbu)) / 2) - 5 / self.layout.dbu,\
posx + 2.5 / self.layout.dbu + 20 * i, posy + l_dbu / 2 - ((l_via - (\
15 / self.layout.dbu)) / 2) - 10 / self.layout.dbu)).round_corners(0, w_via_cir / 2, nr)
# print region
self.cell.shapes(pv).insert(circle_region)
# negative loop
circle_region = pya.Region(pya.Box(posx - 2.5 / self.layout.dbu - 20 * i, posy + l_dbu / 2 - (\
(l_via - (15 / self.layout.dbu)) / 2) - 5 / self.layout.dbu,\
posx + 2.5 / self.layout.dbu - 20 * i, posy + l_dbu / 2 - ((l_via - (\
15 / self.layout.dbu)) / 2) - 10 / self.layout.dbu)).round_corners(0, w_via_cir / 2, nr)
# print region
self.cell.shapes(pv).insert(circle_region)
for i in range(l_mar):
i = i / self.layout.dbu
# left line
# square region
# positive loop
square_region = pya.Region(pya.Box(posx - w_dbu / 2, posy - 7.5 / self.layout.dbu + 20 * i,\
posx - w_dbu / 2 + ((w_via - (15 / self.layout.dbu)) / 2) + 15 / self.layout.dbu,\
posy + 7.5 / self.layout.dbu + 20 * i))
# print region
self.cell.shapes(gc).insert(square_region)
# negative loop
square_region = pya.Region(pya.Box(posx - w_dbu / 2, posy - 7.5 / self.layout.dbu - 20 * i,\
posx - w_dbu / 2 + ((w_via - (15 / self.layout.dbu)) / 2) + 15 / self.layout.dbu,\
posy + 7.5 / self.layout.dbu - 20 * i))
# print region
self.cell.shapes(gc).insert(square_region)
# circle region
# positive loop
circle_region = pya.Region(pya.Box(posx - w_dbu / 2 + ((w_via - (15 / self.layout.dbu)) / 2) + \
5 / self.layout.dbu, posy - 2.5 / self.layout.dbu + 20 * i,\
posx - w_dbu / 2 + ((w_via - (15 / self.layout.dbu)) / 2) + 10 / self.layout.dbu,\
posy + 2.5 / self.layout.dbu + 20 * i)).round_corners(0, l_via_cir / 2, nr)
# print region
self.cell.shapes(pv).insert(circle_region)
# negative loop
circle_region = pya.Region(pya.Box(posx - w_dbu / 2 + ((w_via - (15 / self.layout.dbu)) / 2) + \
5 / self.layout.dbu, posy - 2.5 / self.layout.dbu - 20 * i,\
posx - w_dbu / 2 + ((w_via - (15 / self.layout.dbu)) / 2) + 10 / self.layout.dbu,\
posy + 2.5 / self.layout.dbu - 20 * i)).round_corners(0, l_via_cir / 2, nr)
# print region
self.cell.shapes(pv).insert(circle_region)
# right line
# square region
# positive loop
square_region = pya.Region(pya.Box(posx + w_dbu / 2, posy - 7.5 / self.layout.dbu + 20 * i,\
posx + w_dbu / 2 - ((w_via - (15 / self.layout.dbu)) / 2) - 15 / self.layout.dbu,\
posy + 7.5 / self.layout.dbu + 20 * i))
# print region
self.cell.shapes(gc).insert(square_region)
# negative loop
square_region = pya.Region(pya.Box(posx + w_dbu / 2, posy - 7.5 / self.layout.dbu - 20 * i,\
posx + w_dbu / 2 - ((w_via - (15 / self.layout.dbu)) / 2) - 15 / self.layout.dbu,\
posy + 7.5 / self.layout.dbu - 20 * i))
# print region
self.cell.shapes(gc).insert(square_region)
# circle
# positive loop
circle_region = pya.Region(pya.Box(posx + w_dbu / 2 - ((w_via - (15 / self.layout.dbu)) / 2) - \
5 / self.layout.dbu, posy - 2.5 / self.layout.dbu + 20 * i,\
posx + w_dbu / 2 - ((w_via - (15 / self.layout.dbu)) / 2) - 10 / self.layout.dbu,\
posy + 2.5 / self.layout.dbu + 20 * i)).round_corners(0, l_via_cir / 2, nr)
# print region
self.cell.shapes(pv).insert(circle_region)
# negative loop
circle_region = pya.Region(pya.Box(posx + w_dbu / 2 - ((w_via - (15 / self.layout.dbu)) / 2) - \
5 / self.layout.dbu, posy - 2.5 / self.layout.dbu - 20 * i,\
posx + w_dbu / 2 - ((w_via - (15 / self.layout.dbu)) / 2) - 10 / self.layout.dbu,\
posy + 2.5 / self.layout.dbu - 20 * i)).round_corners(0, l_via_cir / 2, nr)
# print region
self.cell.shapes(pv).insert(circle_region)
def transistor(self, level, x, y, w_i, n_i, l_i, bg, load, Int_Con, ov_l, ov_r, out):
# Other design rules and other "fixed" variables, such as layer identifiers, path widths, via hole sizes, etc.
nr = 128 # Number of points in a circle
# Define layer names
# Assign layers using list comprehension
layers = [self.layout.layer(i, 0) for i in [0, 1, 2, 3, 4, 6, 7, 9]]
# Unpack layers into variables
txt, bm, bl, sd, gm, pv, gc, pv2 = layers
# fetch the parameters
dbu = self.layout.dbu # How large the database unit is in microns (usually 0.001, i.e. 1 nm)
ov_l = ov_l / dbu
ov_r = ov_r / dbu
gate_overlap = self.o / dbu
n = n_i
bg_ov = gate_overlap/2
channel_length = l_i / dbu
finger_width = self.fw / dbu
channel_width_per_f = w_i / dbu
finger_sep = self.s / dbu
PDN_S_dbu = self.PDN_S / dbu
PV_BOX = self.via / dbu
EL_W = (gate_overlap + PV_BOX)
In_Box = (EL_W - PV_BOX) / 2
Top_Edge = y/dbu + channel_width_per_f/2 + gate_overlap + 2*finger_sep + finger_width + PDN_S_dbu #Top edge of Cell
Bottom_Edge = y/dbu -(channel_width_per_f/2 + gate_overlap + 2*finger_sep + finger_width + self.rail * finger_width + PDN_S_dbu) #Bottom edge of Cell
VDD_B_E = Top_Edge #VDD bottom edge
VDD_T_E = VDD_B_E + (self.rail * finger_width) #VDD top edge
VSS_B_E = Bottom_Edge #Vss top edge
VSS_T_E = VSS_B_E + (self.rail * finger_width) ##Vss bottom edge
finger_length = finger_sep+channel_width_per_f+2*gate_overlap # Correct
single_finger_region = pya.Region(pya.Box(0,0,finger_length,finger_width))
single_finger_region.move(-single_finger_region.bbox().center())
finger_region = pya.Region()
for i in range(n+1): # For each finger
if i%2 == 1:
lr=1
else:
lr=-1
finger_region=finger_region + single_finger_region.moved(lr*\
(finger_sep/2),(finger_width+channel_length)*i)
finger_region.move(-finger_region.bbox().center()) # Centre the fingers
source_backbone_region = pya.Region(pya.Box(0, 0, finger_width,(n - \
n%2)*(finger_width+channel_length)+finger_width))
source_backbone_region = source_backbone_region.moved(\
finger_region.bbox().left-finger_width,finger_region.bbox().bottom)
drain_backbone_region = pya.Region(pya.Box(0,0,finger_width,(n-2 + n%2)\
*(finger_width+channel_length)+finger_width))
drain_backbone_region = drain_backbone_region.moved(\
finger_region.bbox().right, \
finger_region.bbox().top-drain_backbone_region.bbox().top-(((n+1)%2)*\
(finger_width+channel_length)))
source_drain_region = pya.Region()
source_drain_region = source_drain_region + finger_region
source_drain_region = source_drain_region + source_backbone_region
source_drain_region = source_drain_region + drain_backbone_region
Left_Edge = x/dbu + source_drain_region.bbox().bottom - finger_width #Left edge of Cell
posx = Left_Edge - source_drain_region.bbox().bottom + finger_width
posy = y/dbu
if (level ==0):
rotation = pya.ICplxTrans(float (1), float(90), True, posx, posy)
else:
rotation = pya.ICplxTrans(float (1), float(90), False, posx, posy)
source_drain_region.merge()
self.cell.shapes(sd).insert(source_drain_region, rotation)
# Gate - Gate height calculations, Region creation and adding the region to the "gm" layer
gate_height = (n)*channel_length+(n+1)*finger_width
gate_region = pya.Region(pya.Box(0,0,channel_width_per_f,gate_height))
gate_region.move(-pya.Box(0,0, channel_width_per_f, \
gate_height).center()) # Centre the gate
self.cell.shapes(gm).insert(gate_region, rotation)
# Passivation layer for Transistor
if (load==False and level != 0):
if (out != 1):
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().left, gate_region.bbox().top,\
gate_region.bbox().left+EL_W, gate_region.bbox().top-EL_W))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
self.cell.shapes(gm).insert(PV_Region_sq, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq.bbox().left + In_Box, PV_Region_sq.bbox().bottom + In_Box,\
PV_Region_sq.bbox().right - In_Box, PV_Region_sq.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#back gate layer
vbg_cover = pya.Region(source_drain_region.bbox()).sized(bg_ov)
self.cell.shapes(bm).insert(vbg_cover, rotation)
#back gate connection
VBG_Ele_out = pya.Region(pya.Box(posx - finger_width, VDD_T_E, posx, posy)) # Vbgelectrode
self.cell.shapes(bm).insert(VBG_Ele_out)
if (out != 0):
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().right, gate_region.bbox().top,\
gate_region.bbox().right-EL_W, gate_region.bbox().top-EL_W))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
self.cell.shapes(gm).insert(PV_Region_sq, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq.bbox().left + In_Box, PV_Region_sq.bbox().bottom + In_Box,\
PV_Region_sq.bbox().right - In_Box, PV_Region_sq.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#back gate layer
vbg_cover = pya.Region(source_drain_region.bbox()).sized(bg_ov)
self.cell.shapes(bm).insert(vbg_cover, rotation)
#back gate connection
VBG_Ele_out = pya.Region(pya.Box(posx - finger_width, VDD_T_E, posx, posy)) # Vbgelectrode
self.cell.shapes(bm).insert(VBG_Ele_out)
if (load==False and level == 0):
if (out != 1):
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().left, gate_region.bbox().bottom,\
gate_region.bbox().left+EL_W, gate_region.bbox().bottom+EL_W))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
self.cell.shapes(gm).insert(PV_Region_sq, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq.bbox().left + In_Box, PV_Region_sq.bbox().bottom + In_Box,\
PV_Region_sq.bbox().right - In_Box, PV_Region_sq.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#back gate layer
vbg_cover = pya.Region(source_drain_region.bbox()).sized(bg_ov)
self.cell.shapes(bm).insert(vbg_cover, rotation)
#back gate connection
VBG_Ele_out = pya.Region(pya.Box(posx - finger_width, VDD_T_E, posx, posy)) # Vbgelectrode
self.cell.shapes(bm).insert(VBG_Ele_out)
if (out != 0):
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().right, gate_region.bbox().bottom,\
gate_region.bbox().right-EL_W, gate_region.bbox().bottom+EL_W))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
self.cell.shapes(gm).insert(PV_Region_sq, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq.bbox().left + In_Box, PV_Region_sq.bbox().bottom + In_Box,\
PV_Region_sq.bbox().right - In_Box, PV_Region_sq.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#back gate layer
vbg_cover = pya.Region(source_drain_region.bbox()).sized(bg_ov)
self.cell.shapes(bm).insert(vbg_cover, rotation)
#back gate connection
VBG_Ele_out = pya.Region(pya.Box(posx - finger_width, VDD_T_E, posx, posy)) # Vbgelectrode
self.cell.shapes(bm).insert(VBG_Ele_out)
if (load==True):
if (out != 1):
#gate via
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().left, gate_region.bbox().top,\
gate_region.bbox().left+EL_W, gate_region.bbox().top-EL_W))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
self.cell.shapes(gm).insert(PV_Region_sq, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq.bbox().left + In_Box, PV_Region_sq.bbox().bottom + In_Box,\
PV_Region_sq.bbox().right - In_Box, PV_Region_sq.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#back gate via
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().left, gate_region.bbox().top+EL_W,\
gate_region.bbox().left+EL_W, gate_region.bbox().top))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
self.cell.shapes(bm).insert(PV_Region_sq, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq.bbox().left + In_Box, PV_Region_sq.bbox().bottom + In_Box,\
PV_Region_sq.bbox().right - In_Box, PV_Region_sq.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#Output via
PV_Region_sq_via = pya.Region(pya.Box(PV_Region_sq.bbox().right, PV_Region_sq.bbox().top+EL_W,\
PV_Region_sq.bbox().right-EL_W, PV_Region_sq.bbox().top))
self.cell.shapes(gc).insert(PV_Region_sq_via, rotation)
self.cell.shapes(sd).insert(PV_Region_sq_via, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq_via.bbox().left + In_Box, PV_Region_sq_via.bbox().bottom + In_Box,\
PV_Region_sq_via.bbox().right - In_Box, PV_Region_sq_via.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#back gate layer
# vbg_cover = pya.Region(source_drain_region.bbox()).sized(bg_ov)
vbg_cover = pya.Region(pya.Box(source_drain_region.bbox().left - bg_ov, source_drain_region.bbox().bottom - bg_ov,\
source_drain_region.bbox().right + bg_ov, gate_region.bbox().top+EL_W))
self.cell.shapes(bm).insert(vbg_cover, rotation)
if (out != 0):
#gate via
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().right, gate_region.bbox().top,\
gate_region.bbox().right-EL_W, gate_region.bbox().top-EL_W))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
self.cell.shapes(gm).insert(PV_Region_sq, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq.bbox().left + In_Box, PV_Region_sq.bbox().bottom + In_Box,\
PV_Region_sq.bbox().right - In_Box, PV_Region_sq.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#back gate via
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().right, gate_region.bbox().top+EL_W,\
gate_region.bbox().right-EL_W, gate_region.bbox().top))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
self.cell.shapes(bm).insert(PV_Region_sq, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq.bbox().left + In_Box, PV_Region_sq.bbox().bottom + In_Box,\
PV_Region_sq.bbox().right - In_Box, PV_Region_sq.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#Output via
PV_Region_sq_via = pya.Region(pya.Box(PV_Region_sq.bbox().right, PV_Region_sq.bbox().top+EL_W,\
PV_Region_sq.bbox().right-EL_W, PV_Region_sq.bbox().top))
self.cell.shapes(gc).insert(PV_Region_sq_via, rotation)
self.cell.shapes(sd).insert(PV_Region_sq_via, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq_via.bbox().left + In_Box, PV_Region_sq_via.bbox().bottom + In_Box,\
PV_Region_sq_via.bbox().right - In_Box, PV_Region_sq_via.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#back gate layer
# vbg_cover = pya.Region(source_drain_region.bbox()).sized(bg_ov)
vbg_cover = pya.Region(pya.Box(source_drain_region.bbox().left - bg_ov, source_drain_region.bbox().bottom - bg_ov,\
source_drain_region.bbox().right + bg_ov, gate_region.bbox().top+EL_W))
self.cell.shapes(bm).insert(vbg_cover, rotation)
#Positions
if (level == 0):
vdd0 = pya.Region(pya.Box(posx - drain_backbone_region.bbox().top, VDD_B_E - finger_sep\
, posx + drain_backbone_region.bbox().top, VDD_T_E))
self.cell.shapes(sd).insert(vdd0)
if (level == 1):
vdd1 = pya.Region(pya.Box(posx - drain_backbone_region.bbox().top, VDD_B_E - finger_sep\
, posx + drain_backbone_region.bbox().top, VDD_T_E))
self.cell.shapes(sd).insert(vdd1)
if (level == 3):
vss = pya.Region(pya.Box(posx - source_backbone_region.bbox().bottom, VSS_T_E + finger_sep\
, posx - source_backbone_region.bbox().top, VSS_B_E))
self.cell.shapes(sd).insert(vss)
Right_Edge = posx + source_drain_region.bbox().top + finger_width #Right edge of Cell
VDD_Ele = pya.Region(pya.Box(Left_Edge - ov_l, VDD_B_E, Right_Edge + ov_r, VDD_T_E)) # VDD rail
VSS_Ele = pya.Region(pya.Box(Left_Edge - ov_l, VSS_B_E, Right_Edge + ov_r, VSS_T_E)) # VSS rail
V_Ele = VDD_Ele + VSS_Ele
self.cell.shapes(sd).insert(V_Ele)
VBG_Ele = pya.Region(pya.Box(Left_Edge - ov_l, VDD_T_E, Right_Edge + ov_r, VDD_T_E - finger_width)) # Vgb rail
self.cell.shapes(bm).insert(VBG_Ele)
VDDTregion = pya.TextGenerator.default_generator().text\
("VDD", 0.001, 2*self.via).move(posx - PV_BOX, VDD_B_E)
VSSTregion = pya.TextGenerator.default_generator().text\
("VSS", 0.001, 2*self.via).move(posx - PV_BOX, VSS_B_E)
Tregion = VDDTregion + VSSTregion
self.cell.shapes(sd).insert(Tregion)
#Connection
#Source to Gate
if (Int_Con == 1 and out != 1):
D1_D2 = pya.Polygon([
pya.Point(x/dbu - gate_region.bbox().top - bg_ov,\
posy + source_drain_region.bbox().left + finger_width + finger_sep + bg_ov+EL_W),\
pya.Point(x/dbu - gate_region.bbox().top-bg_ov,\
posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - gate_region.bbox().top-2*EL_W - bg_ov - finger_width ,\
posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - gate_region.bbox().top-2*EL_W - bg_ov - finger_width ,\
posy + source_drain_region.bbox().left + finger_width),\
pya.Point(x/dbu - gate_region.bbox().top-bg_ov-EL_W,\
posy + source_drain_region.bbox().left + finger_width),\
pya.Point(x/dbu - gate_region.bbox().top-bg_ov-EL_W,\
posy + source_drain_region.bbox().left + finger_width + finger_sep + bg_ov+EL_W),\
])
self.cell.shapes(sd).insert(D1_D2)
#via connection
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().left, gate_region.bbox().top+bg_ov,\
gate_region.bbox().left+EL_W, gate_region.bbox().top))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
#Output via
PV_Region_sq_via = pya.Region(pya.Box(PV_Region_sq.bbox().right, PV_Region_sq.bbox().top+EL_W,\
PV_Region_sq.bbox().right-EL_W, PV_Region_sq.bbox().top))
self.cell.shapes(gc).insert(PV_Region_sq_via, rotation)
self.cell.shapes(sd).insert(PV_Region_sq_via, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq_via.bbox().left + In_Box, PV_Region_sq_via.bbox().bottom + In_Box,\
PV_Region_sq_via.bbox().right - In_Box, PV_Region_sq_via.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
if (Int_Con == 1 and out != 0):
D1_D2 = pya.Polygon([
pya.Point(x/dbu - gate_region.bbox().top-bg_ov ,\
posy + source_drain_region.bbox().right - (finger_width + finger_sep + gate_overlap)),\
pya.Point(x/dbu - gate_region.bbox().top-bg_ov,\
posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - gate_region.bbox().top-2*EL_W - bg_ov - finger_width ,\
posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - gate_region.bbox().top-2*EL_W - bg_ov - finger_width ,\
posy + source_drain_region.bbox().left + finger_width),\
pya.Point(x/dbu - gate_region.bbox().top-bg_ov-EL_W,\
posy + source_drain_region.bbox().left + finger_width),\
pya.Point(x/dbu - gate_region.bbox().top-bg_ov-EL_W,\
posy + source_drain_region.bbox().right - (finger_width + finger_sep + gate_overlap)),\
])
self.cell.shapes(sd).insert(D1_D2)
#via connection
PV_Region_sq = pya.Region(pya.Box(gate_region.bbox().right, gate_region.bbox().top+bg_ov,\
gate_region.bbox().right-EL_W, gate_region.bbox().top))
self.cell.shapes(gc).insert(PV_Region_sq, rotation)
#Output via
PV_Region_sq_via = pya.Region(pya.Box(PV_Region_sq.bbox().right, PV_Region_sq.bbox().top+EL_W,\
PV_Region_sq.bbox().right-EL_W, PV_Region_sq.bbox().top))
self.cell.shapes(gc).insert(PV_Region_sq_via, rotation)
self.cell.shapes(sd).insert(PV_Region_sq_via, rotation)
PV_Region = pya.Region(pya.Box(PV_Region_sq_via.bbox().left + In_Box, PV_Region_sq_via.bbox().bottom + In_Box,\
PV_Region_sq_via.bbox().right - In_Box, PV_Region_sq_via.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region, rotation)
#Source to Source
if (Int_Con == 100):
D1_D2 = pya.Region(pya.Box(x/dbu + channel_length/2 + finger_width, posy - source_drain_region.bbox().right,\
x/dbu - n*channel_length + channel_length/2 - (n+1)*finger_width - 2*finger_sep, posy - \
source_drain_region.bbox().right + finger_width))
self.cell.shapes(sd).insert(D1_D2)
#Source to Drain Load
if (Int_Con == 101 and load == True):
D1_D2 = pya.Polygon([
pya.Point(x/dbu - channel_length/2, posy + source_drain_region.bbox().right - finger_width),\
pya.Point(x/dbu - gate_region.bbox().top-EL_W ,\
posy + source_drain_region.bbox().right - finger_width),\
pya.Point(x/dbu - gate_region.bbox().top-EL_W,\
posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - gate_region.bbox().top-2*EL_W - bg_ov - finger_width ,\
posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - gate_region.bbox().top-2*EL_W - bg_ov - finger_width ,\
posy + source_drain_region.bbox().left + finger_width),\
pya.Point(x/dbu - gate_region.bbox().top-2*EL_W,\
posy + source_drain_region.bbox().left + finger_width),\
pya.Point(x/dbu - gate_region.bbox().top-2*EL_W,\
posy + source_drain_region.bbox().right),\
pya.Point(x/dbu - channel_length/2 ,\
posy + source_drain_region.bbox().right),
])
self.cell.shapes(sd).insert(D1_D2)
#Source to Drain
if (Int_Con == 101 and load == False):
D1_D2 = pya.Polygon([
pya.Point(x/dbu - channel_length/2, posy + source_drain_region.bbox().right - finger_width),\
pya.Point(x/dbu - source_drain_region.bbox().top - finger_sep,\
posy + source_drain_region.bbox().right - finger_width),\
pya.Point(x/dbu - source_drain_region.bbox().top - finger_sep,\
posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - source_drain_region.bbox().top - 2*finger_sep - 2*finger_width,\
posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - source_drain_region.bbox().top - 2*finger_sep - 2*finger_width,\
posy + source_drain_region.bbox().left + finger_width),\
pya.Point(x/dbu - source_drain_region.bbox().top - finger_sep -finger_width,\
posy + source_drain_region.bbox().left + finger_width),\
pya.Point(x/dbu - source_drain_region.bbox().top - finger_sep -finger_width,\
posy + source_drain_region.bbox().right),\
pya.Point(x/dbu - channel_length/2 ,\
posy + source_drain_region.bbox().right),
])
self.cell.shapes(sd).insert(D1_D2)
#Drain to Source
if (Int_Con == 110):
D1_D2 = pya.Polygon([
pya.Point(x/dbu + channel_length/2 + finger_width, posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - source_drain_region.bbox().top - gate_overlap - finger_sep, \
posy + source_drain_region.bbox().left),\
pya.Point(x/dbu - source_drain_region.bbox().top - gate_overlap - finger_sep, \
posy + source_drain_region.bbox().right - finger_width),\
pya.Point(x/dbu - source_drain_region.bbox().top -2* gate_overlap - 2*finger_sep - finger_width - channel_length, \
posy + source_drain_region.bbox().right - finger_width),\
pya.Point(x/dbu - source_drain_region.bbox().top -2* gate_overlap - 2*finger_sep - finger_width - channel_length, \
posy + source_drain_region.bbox().right),\
pya.Point(x/dbu - source_drain_region.bbox().top - gate_overlap, \
posy + source_drain_region.bbox().right),\
pya.Point(x/dbu - source_drain_region.bbox().top - gate_overlap, \
posy + source_drain_region.bbox().left + finger_width),\
pya.Point(x/dbu + channel_length/2 + finger_width,
posy + source_drain_region.bbox().left + finger_width),
])
self.cell.shapes(sd).insert(D1_D2)
#Drain to Drain
if (Int_Con == 111):
D1_D2 = pya.Region(pya.Box(x/dbu - channel_length/2, posy + source_drain_region.bbox().right,\
x/dbu - source_drain_region.bbox().top - 2*gate_overlap - 2*finger_width - channel_length, posy + \
source_drain_region.bbox().right - finger_width))
self.cell.shapes(sd).insert(D1_D2)
#Drain Input
if (Int_Con == 999):
D_In = pya.Polygon([
pya.Point(x/dbu, posy + source_drain_region.bbox().right),\
pya.Point(x/dbu - gate_region.bbox().top -EL_W - bg_ov,\
posy + source_drain_region.bbox().right),\
pya.Point(x/dbu - gate_region.bbox().top -EL_W - bg_ov,\
posy + source_drain_region.bbox().left + finger_width + finger_sep + gate_overlap),\
pya.Point(x/dbu - gate_region.bbox().top - bg_ov,\
posy + source_drain_region.bbox().left + finger_width + finger_sep + gate_overlap),\
pya.Point(x/dbu - gate_region.bbox().top - bg_ov,\
posy + source_drain_region.bbox().right - finger_width),\
pya.Point(x/dbu,\
posy + source_drain_region.bbox().right - finger_width)\
])
self.cell.shapes(sd).insert(D_In)
#via connection
PV_Region_sq = pya.Region(pya.Box(x/dbu - gate_region.bbox().top -EL_W - bg_ov\
, posy + source_drain_region.bbox().left + finger_width + finger_sep + gate_overlap,\
x/dbu - gate_region.bbox().top - bg_ov\
, posy + source_drain_region.bbox().left + finger_width + finger_sep + gate_overlap + EL_W))
self.cell.shapes(gc).insert(PV_Region_sq)
self.cell.shapes(sd).insert(PV_Region_sq)
#Output via
PV_Region = pya.Region(pya.Box(PV_Region_sq.bbox().left + In_Box, PV_Region_sq.bbox().bottom + In_Box,\
PV_Region_sq.bbox().right - In_Box, PV_Region_sq.bbox().top - In_Box))
PV_Region = PV_Region.round_corners(PV_BOX, PV_BOX, nr)
self.cell.shapes(pv).insert(PV_Region)
def impl(self):
#Definitions
dbu = self.layout.dbu
ov = self.o
ov_dbu = ov / dbu
via = self. via
w_d = 90
path_width = ov + via
path_width_dbu = path_width/dbu
finger_width = self.fw
finger_sep = self.s
finger_sep_dbu = finger_sep / dbu
finger_width_dbu = finger_width / dbu
path_step = path_width_dbu + finger_sep_dbu
right_ov_load = path_width + finger_sep
# Define layer names
# Assign layers using list comprehension
layers = [self.layout.layer(i, 0) for i in [0, 1, 2, 3, 4, 6, 7, 9]]
# Unpack layers into variables
txt, bm, bl, sd, gm, pv, gc, pv2 = layers
q = self.l_d / self.l_l
p = int(self.r / q)
y = 0
Top_Edge = (y + w_d/2 + ov + 2*finger_sep + finger_width + self.PDN_S)/dbu #Top edge of Cell
Top_rail = Top_Edge + self.rail*finger_width_dbu/2
Bottom_Edge = (y-(w_d/2 + ov + 2*finger_sep + finger_width + self.PDN_S))/dbu #Bottom edge of Cell
Bottom_rail = Bottom_Edge - self.rail*finger_width_dbu/2
x0 = -((self.n_d*self.l_d)+(self.n_d+1)*finger_width)/2
# x0 = 0
d_x_0 = ((-2*x0) + finger_sep ) / 5
d_x_1 = ((-2*x0) + 2*finger_sep + path_width) / 5
d_x_100 = ((-2*x0) + finger_sep ) / 5
d_x_101 = ((-2*x0) + 2*finger_sep + finger_width) / 5
d_x_110 = ((-2*x0) + 2*finger_sep + finger_width) / 5
d_x_111 = ((-2*x0) + 2*finger_sep) / 5
l_x = (((p*self.n_d*self.l_l)+(p*self.n_d+1)*finger_width)/2 -x0\
+ 2.5*ov +2*via)/5
Top_Path = (w_d/2 + ov + 2*self.s + finger_width - path_width/2)/dbu #Top edge of Cell
# third_path = Top_Path / 3
third_path = y/dbu + path_width_dbu/2 + 3*ov_dbu/2 + via/2/dbu
gate_connection = (w_d/2 - path_width/2)/dbu #Top gate of Cell
gate_edge = ((self.n_d)*self.l_d+(self.n_d+1)*finger_width)/2
gate_out = gate_connection + 4*path_step - path_width_dbu/2 + finger_sep_dbu
gate_in = -gate_out
#transistors implementation
# self.transistor(level, x, y, w_i, n_i, l_i, bg, Load, In_Con, overlap_left, overlap_rigth)
# Levels:
# 1: connected to VDD
# 2: Float
# 3: connected to VSS
# If Int_Con start with 0 nothing will happend, but for:
# 001: Source to Gate
# 100: Source to Source
# 101: Source to Drain
# 110: Drain to Source
# 111: Drain to Drain
# 999: Drain Input
#If out = 0, the via of the transistors are down
#If out = 1, the via of the transistors are up
# (level, x, y, w_i, n_i, l_i, bg, Load, In_Con, overlap_left, overlap_rigth, out)0
tr_n=4
xp=x0-(self.n_d*tr_n*(finger_width+self.l_d)/2)
self.transistor(1, xp, y, w_d, self.n_d, self.l_d, True, False, 0, 0, 0, 0)
#gates name
iTregion = pya.TextGenerator.default_generator().text\
("I0", 0.001, 5).move((xp- gate_edge)/ dbu, -Top_Path - 25 / dbu)
self.cell.shapes(txt).insert(iTregion)
# (level, x, y, w_i, n_i, l_i, bg, Load, In_Con, overlap_left, overlap_rigth, out)1
x1 = xp + 5*d_x_101
self.transistor(2, x1, y, w_d, self.n_d, self.l_d, True, False, 101, d_x_101, right_ov_load, 0)
#gates name
iTregion = pya.TextGenerator.default_generator().text\
("I1", 0.001, 5).move((x1- gate_edge)/ dbu, -Top_Path - 25 / dbu)
self.cell.shapes(txt).insert(iTregion)
# (level, x, y, w_i, n_i, l_i, bg, Load, In_Con, overlap_left, overlap_rigth, out)2
x2 = x1 + 5*l_x
self.transistor(3, x2, y, w_d, p * self.n_d, self.l_l, True, True, 101, l_x, 0, 1)
#gates name
iTregion = pya.TextGenerator.default_generator().text\
("Out", 0.001, 5).move((x2 - gate_edge) / dbu, Top_Path + 20 / dbu)
self.cell.shapes(txt).insert(iTregion)
# I0 Input
Input = pya.Path([pya.Point((xp-gate_edge + (via + ov)/2)/dbu, y/dbu-gate_connection ),
pya.Point((xp-gate_edge + (via + ov)/2)/dbu, Bottom_Edge),
],path_width_dbu)
self.cell.shapes(gc).insert(Input)
# I1 Input
Input = pya.Path([pya.Point((x1-gate_edge + (via + ov)/2)/dbu, y/dbu-gate_connection ),
pya.Point((x1-gate_edge + (via + ov)/2)/dbu, Bottom_Edge),
],path_width_dbu)
self.cell.shapes(gc).insert(Input)
# Out
Out = pya.Path([pya.Point((x2-gate_edge + (via + ov)/2)/dbu, y/dbu+gate_connection ),
pya.Point((x2-gate_edge + (via + ov)/2)/dbu, Top_Edge),
],path_width_dbu)
self.cell.shapes(gc).insert(Out)
# Pads
if(self.pad):
list_a = [-400, 0, 400]
list_b = [-200, 200]
for i in list_a:
for j in list_b:
self.create_pad(i, j)
# Vdd connection
vdd = pya.Path([
pya.Point((list_a[0]+80)/dbu, (list_b[1])/dbu),
pya.Point((list_a[0]+80)/dbu, Top_rail),
pya.Point((xp-gate_edge + (via + ov)/2)/dbu, Top_rail),
],self.rail*finger_width_dbu)
self.cell.shapes(sd).insert(vdd)
# Vss connection
vss = pya.Path([
pya.Point((list_a[2]-80)/dbu, (list_b[0])/dbu),
pya.Point((list_a[2]-80)/dbu, Bottom_rail),
pya.Point((x1-gate_edge + (via + ov)/2)/dbu, Bottom_rail),
],self.rail*finger_width_dbu)
self.cell.shapes(sd).insert(vss)
# Vbg connection
vbg = pya.Path([
pya.Point((list_a[1])/dbu, (list_b[1])/dbu),
pya.Point((list_a[1])/dbu, Top_Edge + self.rail*finger_width_dbu - finger_width_dbu/2),
pya.Point((xp-gate_edge + (via + ov)/2)/dbu, Top_Edge + self.rail*finger_width_dbu - finger_width_dbu/2),
pya.Point((xp-gate_edge + (via + ov)/2)/dbu, Top_Edge + self.rail*finger_width_dbu - finger_width_dbu),
],finger_width_dbu)
self.cell.shapes(bm).insert(vbg)
# Vin1 connection
vin1 = pya.Path([
pya.Point((list_a[0]+80)/dbu, (list_b[0])/dbu),
pya.Point((list_a[0]+80)/dbu, gate_in),
pya.Point((xp-gate_edge + (via + ov)/2)/dbu, gate_in),
pya.Point((xp-gate_edge + (via + ov)/2)/dbu, Bottom_Edge),
],path_width_dbu)
self.cell.shapes(gc).insert(vin1)
# Vin2 connection
vin2 = pya.Path([
pya.Point((list_a[1])/dbu, (list_b[0])/dbu),
pya.Point((list_a[1])/dbu, -2*path_step + gate_in),
pya.Point((x1-gate_edge + (via + ov)/2)/dbu,-2*path_step + gate_in),
pya.Point((x1-gate_edge + (via + ov)/2)/dbu, Bottom_Edge),
],path_width_dbu)
self.cell.shapes(gc).insert(vin2)
# Vout connection
vout = pya.Path([
pya.Point((list_a[2]-80)/dbu, (list_b[1])/dbu),
pya.Point((list_a[2]-80)/dbu, gate_out),
pya.Point((x2-gate_edge + (via + ov)/2)/dbu, gate_out),
pya.Point((x2-gate_edge + (via + ov)/2)/dbu, Top_Edge),
],path_width_dbu)
self.cell.shapes(gc).insert(vout)
#name
name = pya.TextGenerator.default_generator().text\
("NOR2", 0.001, 35).move(-300/dbu, -150 / dbu)
self.cell.shapes(gc).insert(name)
self.cell.shapes(sd).insert(name)
self.cell.shapes(bm).insert(name)
name = pya.TextGenerator.default_generator().text\
(self.name, 0.001, 35).move(-300/dbu, -180 / dbu)
self.cell.shapes(gc).insert(name)
self.cell.shapes(sd).insert(name)
self.cell.shapes(bm).insert(name)
def produce_impl(self):
self.impl()