skywater-pdk/docs/rules/periphery/p040-m2_dotdash.csv

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1NameDescriptionFlagsValueUnit
2(m2.-)| Algorithm should flag errors, for met2, if ANY of the following is true: | An entire 700x700 window is covered by cmm2 waffleDrop, and metX PD < 70% for same window. | 80-100% of 700x700 window is covered by cmm2 waffleDrop, and metX PD < 65% for same window. | 60-80% of 700x700 window is covered by cmm2 waffleDrop, and metX PD < 60% for same window. | 50-60% of 700x700 window is covered by cmm2 waffleDrop, and metX PD < 50% for same window. | 40-50% of 700x700 window is covered by cmm2 waffleDrop, and metX PD < 40% for same window. | 30-40% of 700x700 window is covered by cmm2 waffleDrop, and metX PD < 30% for same window. | Exclude cells whose area is below 40Kum2. Required for IP, Recommended for Chip-level.RC
3(m2.1)Width of metal 20.140µm
4(m2.2)Spacing of metal 2 to metal 20.140µm
5(m2.3a)Min. spacing of features attached to or extending from huge_met2 for a distance of up to 0.280 µm to metal2 (rule not checked over non-huge met2 features)0.280µm
6(m2.3b)Min. spacing of huge_met2 to metal2 excluding features checked by m2.3a0.280µm
7(m2.3c)Min spacing between floating_met2 with AR_met2_A >= 0.05 and AR_met2_B =< 0.032, outside areaid:sc must be greater thanRR0.145µm
8(m2.4)Via must be enclosed by Met2 by at least …P AL0.055µm
9(m2.5)Via must be enclosed by Met2 on one of two adjacent sides by at least …AL0.085µm
10(m2.6)Min metal2 area0.0676µm²
11(m2.7)Min area of metal2 holes0.140µm²
12(m2.pd.1)Min MM2_oxide_Pattern_densityRR0.7\-
13(m2.pd.2a)Rule m2.pd.1 has to be checked by dividing the chip into square regions of width and length equal to …A700µm
14(m2.pd.2b)Rule m2.pd.1 has to be checked by dividing the chip into steps of …A70
15(m2.11)Max width of metal2CU4.000µm
16(m2.12)Add slots and remove vias and contacts if met2 wider than…..CU3.200
17(m2.13)Max pattern density (PD) of metal2CU0.77\-
18(m2.14)Met2 PD window sizeCU50.000µm
19(m2.14a)Met2 PD window stepCU25.000µm
20(m2.15)Via must be enclosed by met2 by at least…CU0.040µm