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MCZ33975AEK Fiches technique (PDF) - Freescale Semiconductor, Inc

MCZ33975AEK Datasheet PDF - Freescale Semiconductor, Inc
No de pièce MCZ33975AEK
Télécharger  MCZ33975AEK Télécharger

Taille du fichier   1313.0 Kbytes
Page   34 Pages
Fabricant  FREESCALE [Freescale Semiconductor, Inc]
Site Internet  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Description Multiple Switch Detection Interface with Suppressed Wake-up and 32mA Wetting Current

MCZ33975AEK Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
MCZ33975AEK Datasheet PDF - Freescale Semiconductor, Inc

No de pièce MCZ33975AEK
Télécharger  MCZ33975AEK Click to download

Taille du fichier   1313.0 Kbytes
Page   34 Pages
Fabricant  FREESCALE [Freescale Semiconductor, Inc]
Site Internet  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Description Multiple Switch Detection Interface with Suppressed Wake-up and 32mA Wetting Current

MCZ33975AEK Fiches technique (HTML) - Freescale Semiconductor, Inc

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MCZ33975AEK Détails du produit

The 33975 Multiple Switch Detection Interface with Suppressed Wake-up is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also features a 22-to-1 analog multiplexer for reading inputs as analog.
The 33975 device has two modes of operation, Normal and Sleep. Normal Mode allows programming of the device and supplies switch contacts with pull-up or pull-down current as it monitors the switch change of state. The Sleep Mode provides low quiescent current, which makes the 33975 ideal for automotive and industrial products requiring low sleep state currents.
Improvements are a programmable interrupt timer for Sleep Mode that can be disabled, switch detection currents of 32mA and 4.0mA for switch-to-ground inputs, and an interrupt bit that can be reset.

Features
• Designed to operate from 5.5V ≤ VPWR ≤ 28V
• Switch input voltage: (33975: -14 to 38V) (33975A: -14 to 40V)
• Interfaces to microprocessor using 3.3V/5.0V SPI protocol
• Selectable wake-up on change of state
• 14 switch-to-ground inputs
• 8 programmable inputs (switches to battery or ground)
• Selectable wetting current (32mA or 4.0mA for switch-to-ground
   inputs)
• Sleep State current VPWR 100μA, Vdd 20μA
• Pb-free packaging designated by suffix code EK




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À propos de Freescale Semiconductor, Inc


Freescale Semiconductor était une entreprise américaine de semi-conducteurs fondée en 1948.
La société était l'un des principaux fournisseurs de microcontrôleurs, de capteurs et d'autres produits semi-conducteurs pour diverses applications sur les marchés automobiles, industriels et de consommation.
Les produits de Freescale étaient connus pour leurs performances élevées, leur faible consommation d'énergie et leur petit facteur de forme.
La société a été acquise par NXP Semiconductors en 2015, et ses produits et technologies continuent d'être développés et vendus sous la marque NXP.

*Ces informations sont fournies à titre informatif uniquement, nous ne serons pas responsables des pertes ou dommages causés par les informations ci-dessus.




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