The redundancy circuit 7, wherein said shared fuse programming circuitry includes {TAIL ~ a fuse} for each bit of {HEAD ~ a replaced address} 
The redundancy circuit 7 , wherein said shared fuse programming circuitry includes { TAIL ~ a fuse } for each bit of { HEAD ~ a replaced address }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD