a translation look aside buffer memory array responsive to the output from an address decoder means and having T sets, each set having mT compartments, each compartment storing {HEAD ~ a part} of {TAIL ~ a logical address} and the corresponding real address in the MMU, 
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a translation look aside buffer memory array responsive to the output from an address decoder means and having T sets , each set having mT compartments , each compartment storing { HEAD ~ a part } of { TAIL ~ a logical address } and the corresponding real address in the MMU ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH