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{{ba title|incompletely specified function}} | {{ba title|incompletely specified function}} | ||
− | An '''Incompletely specified function''' is a [[Boolean function]] that only define output values for a subset of its inputs | + | An '''Incompletely specified function''' is a [[Boolean function]] that only define output values for a subset of its inputs. For outputs that are not specified, the inputs are treated as [[don't care]] values. Incompletely specified functions often make no guarantees as to the unspecified output whatsoever. |
==Overview== | ==Overview== | ||
− | + | In many situations when working with [[combinational circuit]]s, some combinations of inputs cannot occur or [[can't happen|should not occur]] under normal working conditions. For those combinations the output can be disregarded allowing for possibly further [[logic minimization]]. | |
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− | In many situations when working with [[combinational circuit]]s, some combinations of inputs [[can't happen|should not occur]] under normal working conditions. For | ||
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