It is another object of this invention to provide an integrated circuit that includes a plurality of circuit blocks, each being independent of the other, and a gating mechanism that is responsive to externally excited mode select inputs to selectively couple one of the circuit blocks to interface {HEAD ~ pins} of {TAIL ~ the integrated circuit} 
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It is another object of this invention to provide an integrated circuit that includes a plurality of circuit blocks , each being independent of the other , and a gating mechanism that is responsive to externally excited mode select inputs to selectively couple one of the circuit blocks to interface { HEAD ~ pins } of { TAIL ~ the integrated circuit }
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 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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL