A programmable logic array integrated circuit has a number of programmable logic modules which are grouped together in {HEAD ~ a plurality} of {TAIL ~ logic array blocks}  
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A programmable logic array integrated circuit has a number of programmable logic modules which are grouped together in { HEAD ~ a plurality } of { TAIL ~ logic array blocks }
OTH OTH OTH 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 OTH