skywater-pdk/docs/rules/periphery/p044-m4_dotdash.csv

1.9 KiB

1NameDescriptionFlagsValue
2(m4.-)Algorithm should flag errors, for met4, if ANY of the following is true:\nAn entire 700x700 window is covered by cmm4 waffleDrop, and metX PD < 70% for same window.\n80-100% of 700x700 window is covered by cmm4 waffleDrop, and metX PD < 65% for same window.\n60-80% of 700x700 window is covered by cmm4 waffleDrop, and metX PD < 60% for same window.\n50-60% of 700x700 window is covered by cmm4 waffleDrop, and metX PD < 50% for same window.\n40-50% of 700x700 window is covered by cmm4 waffleDrop, and metX PD < 40% for same window.\n30-40% of 700x700 window is covered by cmm4 waffleDrop, and metX PD < 30% for same window.\nExclude cells whose area is below 40Kum2. Required for IP, Recommended for Chip-level.RC
3(m4.1)Min width of met40.300
4(m4.2)Min spacing between two met40.300
5(m4.3)via3 must be enclosed by met4 by atleastAL0.065
6(m4.4)Min area of met4 (rule exempted for probe pads which are exactly 1.42um by 1.42um)N/A
7(m4.4a)Min area of met40.240
8(m4.5a)Min. spacing of features attached to or extending from huge_met4 for a distance of up to 0.400 um to metal4 (rule not checked over non-huge met4 features)0.400
9(m4.5b)Min. spacing of huge_met4 to metal4 excluding features checked by m4.5a0.400
10(m4.7)Min area of meta4 holes [um2]CU0.200
11(m4.pd.1)Min MM4_oxide_Pattern_densityRR0.7
12(m4.pd.2a)Rule m4.pd.1 has to be checked by dividing the chip into square regions of width and length equal to …A700
13(m4.pd.2b)Rule m4.pd.1 has to be checked by dividing the chip into steps of …A70
14(m4.11)Max width of metal4CU10.000
15(m4.12)Add slots and remove vias and contacts if wider than…..CU10.000
16(m4.13)Max pattern density (PD) of metal4; met4 overlapping pdm areas are excluded from the checkCU0.77
17(m4.14)Met4 PD window sizeCU50.000
18(m4.14a)Met4 PD window stepCU25.000
19(m4.15)Via3 must be enclosed by met4 by at least…CU0.060