11.2 3.3V SRAM¶
SramCore layer is used to mark SRAM cells. 3.3V SRAM cells without marking layer V5_XTOR should follow below specific rules which is different from 3.3V/(5V)6V rules.
RULE NO. |
DESCRIPTION |
LAYOUT RULE (3.3V) |
S.DF.4c_LV |
Min. (Nwell overlap of PCOMP) outside DNWELL |
0.4 |
S.DF.16_LV |
Min. space from (Nwell outside DNWELL) to (NCOMP outside Nwell and DNWELL). |
0.4 |
S.CO.3_LV |
Poly2 overlap of contact |
0.04 |
S.CO.4_LV |
COMP overlap of contact |
0.03 |
S.CO.6_ii_LV |
If Metal1 overlaps contact by < 0.04μm on one side, adjacent metal1 edges Overlap |
0.02 |
S.M1.1_LV |
Width |
0.22 |