It is another object of {HEAD ~ this invention} to provide {TAIL ~ 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 pins of the integrated circuit 
It is another object of { HEAD ~ this invention } to provide { TAIL ~ 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 pins of the integrated circuit
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