skywater-pdk/docs/rules/periphery/p039-via_dotdash.csv

1	Name	Description	Flags	Value	Unit
2	(via.1a)	Min and max L and W of via outside :drc_tag:`areaid.mt`	AL	0.150	µm
3	(via.1b)	Three sizes of square Vias allowed inside areaid:mt: 0.150um, 0.230um and 0.280um	AL
4	(via.2)	Spacing of via to via	AL	0.170	µm
5	(via.3)	Only min. square vias are allowed except die seal ring where vias are (Via CD)*L		0.2*L
6	(via.4a)	0.150 µm Via must be enclosed by Met1 by at least …		0.055	µm
7	(via.4b)	Inside :drc_tag:`areaid.mt`, 0.230 µm Via must be enclosed by met1 by atleast	AL	0.030	µm
8	(via.4c)	Inside :drc_tag:`areaid.mt`, 0.280 µm Via must be enclosed by met1 by atleast	AL	0.000	µm
9	(via.5a)	0.150 µm Via must be enclosed by Met1 on one of two adjacent sides by at least …		0.085	µm
10	(via.5b)	Inside :drc_tag:`areaid.mt`, 0.230 µm Via must be enclosed by met1 on one of two adjacent sides by at least …	AL	0.060	µm
11	(via.5c)	Inside :drc_tag:`areaid.mt`, 0.280 µm Via must be enclosed by met1 on one of two adjacent sides by at least …	AL	0.000	µm
12	(via.11)	Min and max L and W of via outside :drc_tag:`areaid.mt`	CU	0.180	µm
13	(via.12)	Min spacing between vias	CU	0.130	µm
14	(via.13)	Max of 5 vias within …	CU	0.350	µm
15	(via.14)	0.180 µm Via must be enclosed by parallel edges of Met1 by at least …	CU	0.040	µm
16	(via.irdrop.1)	For 1 <= n <= 2 vias on the same connector, mcon area pre- and post- Cu conversion must differ by no more than…	CU IR	0.0	µm
17	(via.irdrop.2)	For 3 <= n <= 15 vias on the same connector, mcon area pre- and post- Cu conversion must differ by no more than…	CU IR	0.6	µm
18	(via.irdrop.3)	For 16 <= n <= 30 vias on the same connector, mcon area pre- and post- Cu conversion must differ by no more than…	CU IR	0.8	µm
19	(via.irdrop.4)	For n > 30 vias on the same connector, mcon area pre- and post- Cu conversion must differ by no more than…	CU IR	0.9	µm
20	(via.14a)	0.180 µm Via must be enclosed by 45 deg edges of Met1 by at least …	CU	0.037	deg µm