The invention concerns a ROM circuit (40) comprising columns of storage cells, each column being connected to a bit site (BLi, BLi1), wherein the columns are arranged in groups of two adjacent columns, each column of a group capable of being selectively activated relative to the other column of the group,...http://www.google.com/patents/US20040264228?utm_source=gb-gplus-sharePatent US20040264228 - Small size ROM
