How should I manage unused or Not Connected pins?

Document created by analog-archivist Employee on Feb 23, 2016
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How should I manage unused or Not Connected pins?

 

Pins described as Not Connected in the data sheet are not internally connected.
It is not necessary to tie these pins to any voltage. Digital pins always
require a known voltage as to leave them floating can cause internal digital
logic to be in an indeterminate state and cause invalid operation of the part.
Unused digital logic pins should be tied to GND or digital high.

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