Is it okay to power the VCC_TAP pin in any other way that is not mentioned in the datasheets of 859S0212I, 859S0412I and 859S0424I multiplexer IC’s ?

The table 3A in the datasheet mentions how to power the VCC_TAP pin. The conditions specified in the table have to always be meet in order for the part to work correctly.  Therefore, there are no combinations a user should use besides what is specified in the table.

The VCC_TAP pin simply acts as voltage supply in the first three conditions.  It is an internally regulated voltage in the fourth condition, where the pin is left floating. This technique keeps the cross points and levels correct for the four combinations of output flavors and voltages.

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Documents

Title Other Languages Type Format File Size Date
Datasheets & Errata
859S0212I Final Data Sheet Datasheet PDF 662 KB Jun 3, 2012
859S0412I DATASHEET Datasheet PDF 673 KB May 28, 2012
ICS859S0424I Datasheet Datasheet PDF 925 KB Oct 11, 2011