The PCA8553DTT/AJ is an IC component that offers a range of key features for various applications. Here is an overview of its key characteristics:
1. General Description: The PCA8553DTT/AJ is an advanced 16-bit I/O expander with an integrated feature set designed to provide versatile connectivity options.
2. I/O Expander: This IC component provides an additional 16 I/O pins, which can be used to expand the number of input/output connections for microcontrollers or other integrated circuits.
3. Input/Output Configuration: The PCA8553DTT/AJ allows individual programmable configuration of each I/O pin as either input or output, offering flexibility and customization options for different applications.
4. Interrupt Output: The IC features an interrupt output pin that can be configured to indicate when any of the I/O pins change status. This allows efficient event-driven programming and reduces the need for continuous polling of the inputs.
5. Interrupt Polarity Selection: The interrupt polarity can be programmed as active high or active low, providing compatibility with a wide range of microcontroller architectures.
6. Output Drive Strength: The PCA8553DTT/AJ offers adjustable output drive strength options to accommodate different loads. This allows the IC to drive both high-current and low-current devices effectively.
7. Internal Pull-up Resistors: Each I/O pin contains an internal pull-up resistor that can be individually enabled or disabled
