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SN74HC4851 - can withstand up to 32V input without any passive components

Other Parts Discussed in Thread: SN74HC4851

One of our customer is planned to use SN74HC4851.

In product datasheet (Page-7) it was mentioned that ,it doesn’t require any external passive components for signal conditioning (Refer below figure).

 Refer figure 2 compared to figure3 (less component).         

Their  application is to sense high / low switches.

Their switch maximum input voltage range is 32V.

 Please clarify the following doubts.

1)    Does it can sense switch status -  high / low /open ?

2)    Does the IC input can withstand up to 32V input without any passive components?