33884 Overview
Freescale Semiconductor Technical Data Document Number: 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.
33884 Key Features
- Full Operation with 7.0 V < VPWR < 26 V, Limited Operation with ORDERING INFORMATION 5.5 V < VPWR < 7.0 V Temperature
- Input Voltage Range: -14 V to 40 V Device Package Range (TA)
- Interface Directly to Microprocessors Using SPI Protocol
- Wake Up on Change of Monitored Switch Status MC33884DW/R2 -40°C to 105°C 24 SOICW
- Programmable Wetting Current MCZ33884EG/R2
- Four Switch-to-Ground Switches
- Six (Fixed Function) Inputs Monitoring Six Switch-to-Ground Switches
- Two (Fixed Function) Inputs Monitoring Two Switch-to-Battery Switches
- Quiescent Current in Sleep Mode < 10 µA
- Reset Input Defaults the Device to Sleep Mode