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