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MC33884 - SWITCH MONITOR INTERFACE

Datasheet Summary

Description

Freescale Semiconductor, Inc.

Switch to Battery or Switch

Features

  • Full Operation with 7.0 V ≤ VPWR ≤ 26 V, Limited Operation with 5.5 V ≤ VPWR ≤ 7.0 V.
  • Input Voltage Range:.
  • 14 V to 40 V.
  • Interfaces Directly to Microprocessors Using SPI Protocol.
  • 24.
  • Lead Wide Body SOIC Package.
  • Wake.
  • up on Change of Monitored Switch Status.
  • Programmable Wetting Current.
  • 4 Programmable Inputs to Monitor 4 Switch.
  • to.
  • Battery or 4 Switch.
  • to.
  • Ground Switches.

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Datasheet preview – MC33884

Datasheet Details

Part number MC33884
Manufacturer Motorola
File Size 360.00 KB
Description SWITCH MONITOR INTERFACE
Datasheet download datasheet MC33884 Datasheet
Additional preview pages of the MC33884 datasheet.

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Full PDF Text Transcription

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MOTOROLA SEMICONDUCTOR TECHNICAL DATA Freescale Semiconductor, Inc. Order this document by MC33884/D Advance Information Switch Monitor Interface The MC33884 Switch Monitor Interface is a monolithic silicon integrated circuit (IC) that performs switch monitoring functions. The device provides efficient interface between electrical switches and low voltage microprocessors. The MC33884 supplies switch contact pull–up and pull–down current while monitoring the input voltage level. All inputs are protected for transients when implemented with an appropriate static discharge capacitor used on the inputs. There are four modes of operation – Sleep, Normal, Polling, and Polling + INT Timer. Sleep mode reduces the current drain to a quiescent current level of 10 m A and disables the IC.
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