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PCA9674AD

NXP
Part Number PCA9674AD
Manufacturer NXP
Description Remote 8-bit I/O expander
Published Feb 18, 2021
Detailed Description PCA9674; PCA9674A Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt Rev. 7 — 30 May 2013 Product data sheet 1...
Datasheet PDF File PCA9674AD PDF File

PCA9674AD
PCA9674AD

Overview
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General description The PCA9674/74A provides general-purpose remote I/O expansion via the two-wire bidirectional I2C-bus (serial clock (SCL), serial data (SDA)).
The devices consist of eight quasi-bidirectional ports, 1 MHz I2C-bus Fast-mode Plus (Fm+) family interface, with high speed data transfer it can support PWM dimming of LEDs, and higher I2C-bus drive 30 mA for more devices can be on the bus without the need for bus buffers.
Three hardware address inputs and interrupt output operating between 2.
3 V and 5.
5 V.
The quasi-bidirectional port can be independently assigned as an input to monitor interrupt status or keypads, or as an output to activate indicator devices such as LEDs.
The ...


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