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MCZ33993EWR2 Datasheet (PDF) - Freescale Semiconductor, Inc

MCZ33993EWR2 Datasheet PDF - Freescale Semiconductor, Inc
Part # MCZ33993EWR2
Download  MCZ33993EWR2 Download

File Size   1185.38 Kbytes
Page   28 Pages
Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Description Multiple Switch Detection Interface

MCZ33993EWR2 Datasheet (PDF)

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MCZ33993EWR2 Datasheet PDF - Freescale Semiconductor, Inc

Part # MCZ33993EWR2
Download  MCZ33993EWR2 Click to download

File Size   1185.38 Kbytes
Page   28 Pages
Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Description Multiple Switch Detection Interface

MCZ33993EWR2 Datasheet (HTML) - Freescale Semiconductor, Inc

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MCZ33993EWR2 Product details

Multiple Switch Detection Interface



The 33993 Multiple Switch Detection Interface 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 analog input signal is buffered and provided on the AMUX output pin for the MCU to read.

The 33993 device has two modes of operation, Sleep and Normal.

The Sleep mode provides low quiescent current and enables the wake-up features of the device. Normal mode allows programming of the device and supplies switch contacts with pull-up or pull-down current as it monitors switch change of state.

The 33993 is packaged in the 32-pin wide-body SOIC, reducing circuit board area. Low quiescent current makes the 33993 ideal for automotive and industrial products requiring low sleep state currents.



Features

• Designed to Operate 5.5 V ≤ VPWR ≤ 26 V

• Switch Input Voltage Range -14 V to VPWR, 40 V Max

• Interfaces Directly to Microprocessor Using 3.3 V/5.0 V SPI Protocol

• Selectable Wake-Up on Change of State

• Selectable Wetting Current (16 mA or 2.0 mA)

• 8 Programmable Inputs (Switches to Battery or Ground)

• 14 Switch-to-Ground Inputs

• VPWR Standby Current 100 µA Typical, VDD Standby Current 20 µA Typical

• Active Interrupt (INT) on Change-of-Switch State

• Pb-Free Packaging Designated by Suffix Code EW



 




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About Freescale Semiconductor, Inc


Freescale Semiconductor was an American semiconductor company that was founded in 1948.
The company was a leading provider of microcontrollers, sensors, and other semiconductor products for various applications in the automotive, industrial, and consumer markets.
Freescale's products were known for their high performance, low power consumption, and small form factor.
The company was acquired by NXP Semiconductors in 2015, and its products and technologies continue to be developed and sold under the NXP brand.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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