It is best not to leave unused TTL inputs unconnected (open) because

1.	It is best not to leave unused TTL inputs unconnected (open) because of TTL's
A.	noise sensitivity
B.	low-current requirement
C.	open- collector outputs
D.	tristate constructi on
Answer» B. low-current requirement

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It is best not to leave unused TTL inputs unconnected (open) because of TTL's

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