The PCA9674ATS,112 is an Integrated Circuit (IC) component that offers advanced functionality and flexibility in various applications. Developed by NXP Semiconductors, it is a 16-bit I/O expander with interrupt and hot insertion capabilities. This IC is designed to expand the number of available I/O pins for microcontrollers and other digital systems.
The key features of the PCA9674ATS,112 IC component include:
1. I/O Expansion: The IC provides 16 I/O pins that can be individually programmed as inputs or outputs, expanding the I/O capabilities of the host system.
2. Interrupt Functionality: The PCA9674ATS,112 supports individual interrupt output pins (INT) for each I/O port, allowing efficient monitoring of specific events or changes on the pins without constantly polling them.
3. Hot Insertion: The IC supports hot insertion, which enables devices to be connected or disconnected from the system while it is powered on. This feature provides convenience during system maintenance or upgrades.
4. Parallel Interface: The PCA9674ATS,112 communicates with the host controller through a simple and widely used I2C-bus interface. This popular interface ensures easy integration into existing systems.
5. Low Standby Current: The IC has low power requirements, with a standby current of just a few microamps. This makes it suitable for battery-powered applications, where power efficiency is crucial.
6. Addressing Options: The PCA9674ATS,112 supports three different address pins, allowing up to eight devices to be connected on a single bus, expanding the I/O capabilities further.
7. Vcc Level Translation: The IC has built-in level translation circuitry that enables direct connection between devices operating at different voltage levels, eliminating the need for additional level shifters.
8. Reverse Polarity Protection: The PCA9674ATS,112 incorporates built-in reverse polarity protection diodes on its I/O pins, safeguarding the component against accidental reverse voltage connections.
Overall, the PCA9674ATS,112 is a versatile IC component that offers effective I/O expansion and flexible functionality in various applications. Its interrupt support, hot insertion capability, and low power consumption make it suitable for a wide range of microcontroller-based systems, automation, and human-machine interface applications.
