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; 	ERROR CHECKING TABLES
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Y X X X X X X X X X X X X X X X X X X X	%An unused pin is used.
X 1 1 Y 1 X 1 1 1 1 1 1 1 1 1 1 1 X X X	%Illegal connection to digital supply.
X X 1 1 Y X X 1 1 1 X 1 1 1 1 1 1 X X X	%Illegal connection to digital ground.
X 1 1 1 1 X 1 1 1 1 1 1 Y 1 1 1 1 X X X	%Illegal connection to + analog supply.
X 1 1 1 1 X 1 1 1 1 1 1 1 Y 1 1 1 X X X	%Illegal connection to - analog supply.
X X 1 1 1 X X 1 1 1 X 1 1 1 Y 1 1 X X X	%Illegal connection to analog ground.
X 1 1 1 1 X 1 1 1 1 1 1 1 1 1 Y 1 X X X	%Illegal connection to other supply.
X 1 1 1 1 X 1 1 1 1 1 1 1 1 1 1 Y X X X	%Illegal connection to AC power.
X X 2 X X X X X X X X 2 X X X X X X X X	%More than one totem-pole output.
X 1 1 X X X X X X X M X X X X X X X X X	%Mixed logic families.
X 1 1 X X X X X X X X M X X X X X X X X	%Mixed logic families.
X X Y X X X X 1 1 X X X X X X X X X X X	%Mixed TTL output configurations.
X X X X X X X Y Y X X X X X X X X X X X	%Mixed TTL output configurations.
X 1 1 X X X Y 1 1 X 1 1 X X X X X X X X	%Mixed digital and analog properties.
X Y N X N N X N N N X X X X N X X X N X	%Has inputs but no outputs.
X X X X N N X X X N Y N X X N X X X N X	%Has inputs but no outputs.
X Y N X N X X Y X N X X X X N X X X N N	%Open-collector output not pulled up.
X Y N N N X X X X N X X X X X X X Y X X	%Switch closure not pulled up.