www.DataSheet4U.com Freescale Semiconductor Technical Data Document Number: MC33884 Rev.
4.0, 11/2006 Switch Monitor Interface The 33884 Switch Monitor Interface is a monolithic silicon integrated circuit (IC) to perform switch monitoring functions.
The device provides efficient interface between electrical switches and low voltage microprocessors.
The 33884 supplies switch contact pull-up and pull down current while monitoring the input voltage level.
All inputs are protected for transients