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DS4520

Part Number	DS4520
Manufacturer	Maxim Integrated Products
Description	I/O Expander Plus Memory
Published	Jan 18, 2014
Detailed Description	Click here for production status of specific part numbers. DS4520 9-Bit I2C Nonvolatile I/O Expander Plus Memory Gener...
Datasheet	DS4520 PDF File

Overview

Click here for production status of specific part numbers.
DS4520 9-Bit I2C Nonvolatile I/O Expander Plus Memory General Description The DS4520 is a 9-bit nonvolatile (NV) I/O expander with 64 bytes of NV user memory controlled by an I2Ccompatible serial interface.
The DS4520 offers users a digitally programmable alternative to hardware jumpers and mechanical switches that are being used to control digital logic nodes.
Furthermore, the digital state of each pin can be read through the serial interface.
Each I/O pin is independently configurable.
The outputs are open drain with selectable pullups.
Each output has the ability to sink up to 12mA.
Since the device is NV, it powers up in the de...

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