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PCA9701 16-bit/8-bit GPI

PCA9701 Description

PCA9701; PCA9702 18 V tolerant SPI 16-bit/8-bit GPI with INT Rev.7 * 26 September 2014 Product data sheet 1.General .
The PCA9701/PCA9702 are low power 18 V tolerant SPI General Purpose Input (GPI) shift register designed to monitor the status of switch inputs.

PCA9701 Features

* 16 general purpose input ports (PCA9701) or 8 general purpose input ports (PCA9702)
* 18 V tolerant input ports with 100 k external series resistor
* Input LOW threshold 0.4  VDD with minimum of 2 V at VDD = 4.5 V
* Open-drain interrupt output
* Interrupt enable pin (INT_EN)

PCA9701 Applications

* Higher voltages can be tolerated on the inputs depending on the series resistor used to limit the input current. With both the high breakdown voltage and high ESD, these devices are useful for both automotive and mobile applications. The PCA9703/PCA9704 are new pin compatible devices for the PCA970

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