Philip K. Siu - Los Altos Hills CA Lawrence K. Lo - Los Altos Hills CA Hing S. Tong - Saratoga CA
International Classification:
G11C 700
US Classification:
365200
Abstract:
A memory system comprises a plurality of semiconductor memories with some bad bits, a substitution memory and a mapping logic to redirect external memory accesses to bad-bit locations in the semiconductor memories to good storage cells within the substitution memory.